The database select operation returns five rows from a database what is logged by the logger. Master the SQL SELECT clause with our comprehensive guide.

The database select operation returns five rows from a database what is logged by the logger. Sep 16, 2025 · Question #2 What payload is returned by a Database SELECT operation that does not match any rows in the database? The SQL SELECT Statement The SELECT statement is used to select data from a database. What type of SQL join is appropriate? Left outer Union Cross join Inner join, An advanced SQL join that combines results from all tables is a(n) _____ join The sequence of CARTESIAN PRODUCT followed by SELECT is used quite commonly to identify and select related tuples from two relations A special operation, called JOIN combines this sequence into a single operation This operation is very important for any relational database with more than a single relation, because it allows us combine related tuples from various relations The general form of a Get MCD-Level-1 MuleSoft Certified Developer - Level 1 (Mule 4) by MuleSoft free exam questions to prepare for your MuleSoft certification. For example, we could combine the result of two separate SELECT statements. Basics of Select (σ) operatio A. , An advantage that a database has over a flat file system is that more information can be generated from the same data. Beginning with MySQL 8. The SELECT queries retrieve rows/columns data from one or more existing tables. In the Database On Table Row operation, what does the Watermark column enable the On Table Row operation to do? A. Also see example images that explain the process. It's important to note that the exact behavior can depend on the programming language and database management system (DBMS) being used The Anypoint Connector for Database (Database Connector) Query single operation enables you to execute an SQL query that returns a single record (row) from a database and access the result payload without any additional transformations. What is logged by the Logger component? Jan 20, 2022 · The Database Select operation returns five rows from a database. Jan 5, 2024 · Refer to the exhibit. May 3, 2022 · What payload is returned by a Database SELECT operation that does not match any rows in the database? Jan 15, 2021 · An On Table Row Database listener retrieves data from a table that contains record_id, an increasing numerical column. What is logged by the Logger component? A. The Database Select operation returns What is logged by the Logger component? Options: A- 'Array' Aug 6, 2018 · This article takes a look at how to conduct a MySQL database SELECT query operation in Mule 4. SQL SELECT Statement The SELECT statement lets you retrieve data from the database. A JSON payload is set in the Set Payload transformer. This is because the query successfully executes but finds no records that match the criteria. The following example selects two columns from o Set Difference o Cartesian Product The Select Operation: The select operation is performed to select certain rows or tuples of a table, so it Set operations in the realm of relational databases allow for the combination and manipulation of data from multiple tables or queries. The SQL TOP clause used to limit the number of rows returned by a query. indexes b. What is logged by the Logger component? The result retrieved by a Select component is going to be an array of objects and it is going to be stored in the payload. It took them two months to create their own APIs to access transaction information from a central database. You can specify which rows you want returned, and which columns. Sep 24, 2023 · Whether you’re a seasoned developer or just dipping your toes into the world of databases, knowing how to use the SELECT statement in SQL is crucial. BY clause of the SELECT statement. Study with Quizlet and memorize flashcards containing terms like Consider the following tables of data: Location and Purchases. Study with Quizlet and memorize flashcards containing terms like Relational data is based on which three mathematical concepts? Select all that apply. Neither column allows duplicate values. Master the SQL SELECT clause with our comprehensive guide. "CaselnsensitrveHashMap" Answer: A NO. Put the Database SELECT operation inside a Cache scope B. false B . The app team later found out that The Database Select operation returns five rows from a database. The selection operation is also known as horizontal partitioning since it partitions the table or relation horizontally. non-primary keys d. Types of Set Operations There are generally three different set The select operation in a relational database allows users to retrieve specific data from a table based on certain criteria. To save the most recent records retrieved from a database to enable database caching B. How should the listener be configured so it retrieves new rows at most one time? Jun 26, 2025 · SQL databases work using a client-server system. See also Section 15. D. 2. What is logged by the Logger component? Verified & Correct Answers By IT Experts. Jun 19, 2023 · The selection operation allows you to retrieve specific rows from a relation based on conditions, helping you focus on relevant data subsets and facilitating various types of data analysis The SQL COUNT () Function The COUNT() function returns the number of rows that matches a specified criterion. to return the number of rows that match a specified criteria Which of the following is not a type of join? a Dec 21, 2023 · The SQL SELECT statement retrieves data from one or more tables in a database. SQL SELECT SQL SELECT is the first thing we are going to learn in our simple SQL tutorial. Jan 22, 2024 · A flow needs to combine and return data from two different data sources. SELECT * FROM Pets; Result: Aug 25, 2025 · SQL SELECT is used to retrieve data from one or more tables, either all records or specific results based on conditions. SELECT is used to retrieve rows selected from one or more tables, and can include UNION operations and subqueries. SQL TOP is supported by various database management systems, although the syntax may differ slightly between them. String C. For example, a typical business order entry database includes a table that defines a customer with columns for name, phone number, address, and so forth. A flow needs to combine and return data from two different data sources. What is the SELECT Statement? The SELECT statement in SQL is used to retrieve rows from a database table. The results are returned in a result-set with rows and columns of data. dwl file is located in a Mule project at src/main/resources/modules. org. What is the method to capture both payloads so the payload from the second request does not overwrite that from the first? A. The Database Select operation returns five rows from a database. Which of the following elements in the database management system manages memory and storage? Kernel code Which of the following schema objects share one namespace? Feb 20, 2023 · The SQL Select statement is a statement that you use to select data from a database. SQL SELECT Statement In this tutorial you will learn how to select records from database tables using SQL. Question What payload is returned by a Database SELECT operation that does not match any rows in the database? Answer A) false B) null C) Exception D) Empty Array The correct answer to this question is D. IMPORTANT: The MuleSoft Community Forums have moved to the online Trailblazer Community. (T/F), A database operation that can be used to merge and retrieve data stored in more than one table view is called SELECT. DISTINCTROW is a synonym for DISTINCT. A a. What is the method to capture both payloads so the payload from the second request does not overwrite that from the first? The SELECT command is one of the most powerful and widely used tools in SQL, as it allows us to query and retrieve data from our tables. May 24, 2009 · If I have a row id and I want the 5th row back from that row how would I do this? Normally I could just go rowId - 5 and that would be the id of the 5th row back However, I need to account Get MCD-Level-1 MuleSoft Certified Developer - Level 1 (Mule 4) by MuleSoft actual free exam Q&As to prepare for your MuleSoft certification. 2 What does a relational database use to relate tables in the database to each other? a. Both of these operations have the default configurations. Put the Database SELECT operation inside a Message Enricher scope C. What is the method to capture both payloads so the payload from the second request does not overwrite that from the first? Study with Quizlet and memorize flashcards containing terms like Disks are sequential access devices, whereas tapes are random access devices. Learn different SELECT queries to fetch the records from the database tables. An On Table Row Database listener retrieves data from a table that contains record_id, an increasing numeric column. No installation Required. It operates on one or more groups of rows and gives one result per group. By creating a Trailblazer account, your content will migrate with your identity; your likes and upvotes will be preserved. 100% Free Real Updated MCD - Level 1: MuleSoft Certified Developer - Level 1 (Mule 4) Exam Dumps Questions & Answers Refer to the exhibit. If you want duplicates to be removed from the result set, use the DISTINCT option. 1 What does a relational database use to uniquely identify each row in a table? a. To avoid duplicate processing of records in a database. non-primary keys d. In my DB I have a table named: "table_test". (T/F), The database schema is defined by the DDL components in the SQL programming language. Study with Quizlet and memorize flashcards containing terms like 12. These basic operations are INSERT, SELECT, UPDATE, and DELETE statements in SQL language. What is the method to capture both payloads so the payload from the second request does not overwrite that from the first? Hi @mani24991, Thanks for your collaboration! What you are currently getting as a result is an iterator that needs to be consumed in order to get the data. Recap of various fundamental operations in relational algebra. It returns output in a tabular format of rows and columns. Map. "CaselnsensitrveHashMap" D. The SELECT statement is a fundamental feature of SQL (Structured Query Language) used to retrieve data from a table in a database. In this guide, we will see a comprehensive cheat sheet for essential SQL operations, offering a practical reference for tasks ranging from database creation to advanced data handling techniques. It allows users to pick relevant portions of data from large databases. A web client submits a request to http://localhQst:8081. Example Here’s an example to demonstrate the SELECT statement. A join A boxed structure Projection Outer attachments Big data Selection, In relational databases, each Quiz yourself with questions and answers for INF 652 DP Section 1 Quiz, so you can be ready for test day. "LinkedHashMap" D . See also COUNT DISTINCT and SELECT UNIQUE in Oracle mode. Question #: 12 Topic #: 1 In the Database On Table Row operation, what does the Watermark column enable the On Table Row operation to do? A. "LinkedHashMap" D. What is logged by the Logger component? A 'Array' B 'Object' C 'LinkedHashMap' Aug 14, 2023 · IT Certification Guaranteed, The Easy Way! 11The Database Select operation returns five rows from a database. Refer to the exhibits. It returns a single result based on a number of rows as opposed to the single row functions. A set operation is one that combines the results of multiple query blocks into one. What is logged by the Logger component? The Database Select operation returns five rows from a database. Goal is that the rows should be sorted by id in ASC order, that’s why this query isn’t working SELEC Jul 6, 2021 · Relational algebra consists of a set of operations that take one or two relations as an input and produces a new relation as output. "Object" C. Syntax The SELECT statement retrieves rows from the database. In the Database On Table Row operation, what does the Watermark column enable the On Table Row operation to do? To avoid duplicate processing of records in a database. When a database Select operation is performed and it does not match any rows in the database, the typical payload returned by most database systems is an Empty Array. The UNION, INTERSECT, and EXCEPT operators are described in more detail later in this section. In this chapter, we will learn how to use the SELECT command to extract the information we need from our databases. Dec 6, 2020 · The SELECT statement is almost without doubt, the most commonly used statement in SQL. to return the number of columns that match a specified criteria b. The result of the SELECT statement is stored in a result table, also known as a result-set. “Object”. (T/F) and more. 14 A Utility. null C . Study with Quizlet and memorize flashcards containing terms like What type of join returns all rows from the first table and any matching rows from the second table? INNER JOIN RIGHT OUTER JOIN LEFT OUTER JOIN FULL OUTER JOIN, What statement is true about a field specified in the USING clause? The column loses its table identity, so it cannot be referenced in the SELECT or any other clause Jul 23, 2025 · The MySQL SELECT statement is crucial for fetching specific data from tables, whether retrieving entire rows or selected columns. , The network model is similar to the hierarchical data model because records are organized in the same way. 95 1 f IT Certification Guaranteed, The Easy Way! NO. SQL is the standard language for querying relational databases. 56. It’s essentially the foundation stone on which database interaction is built. Dec 27, 2021 · 10. Instant Access MCD-Level-1 MuleSoft Certified Developer - Level 1 (Mule 4) by MuleSoft free exam questions to prepare for your MuleSoft certification. 0. It contains a Database SELECT operation followed by an HTTP Request operation. To enable multithreaded event processing for each record retrieved from a database Nov 20, 2020 · A SQL SELECT command retrieves data from a database. The primary goal of the Select operation is to supply a SQL query and use DataWeave for the parameters. "CaselnsensitrveHashMap" View Answer Answer: C Prev QuestionNext Question Latest MCD-Level 1 Dumps Valid Version with 99 Q&As Latest And Valid Q&A | Instant Download | Once Fail, […] Refer to the exhibit. “Array” B. The GROUP BY clause splits the result-set into groups of values and the aggregate function can be used to return a single value for each group. What is the method to capture both payloads so the payload from the second request does not overwrite that from the first? Oct 13, 2018 · Hi @praveen_6, Database Connector always return a Java Object Data Type. For more exaplanation of this point please see below points. is an exact copy of the operational database combines all the data from the operational database into one large table contains just part of the operational database contains only the metadata from the operational database, Columns can be sorted Inverter Data Logger Inverter Data Logger is a small script for uploading data from a Omnik, Hosola, Goodwe, Solax, Ginlong, Samil, Sofar or Power-One Solar inverter, equipped with a wifi module or connected to a Wi-Fi data logger from iGEN tech, to a database, Domoticz and/or to PVoutput. Empty Array View Answer Sep 24, 2014 · What do you mean my greater than equal to 5 - Your SQL statement is the correct answer, if there are more records it will display greater than 5 records and if there are 5 records it will display 5 no need to limit. Using the Database Connector and setting the tag "target" you create another variable where you can save your Sep 10, 2025 · Refer to the exhibit. Exception D . Dec 29, 2015 · I am importing data from one table(say old_table). "Array" B. What is logged by the Logger component? A . The response of the request is stored in a target variable named the Result. One single query might return tens of thousands of records, especially when dealing with integration use cases. A SELECT statement can start with a WITH clause to define common table expressions Quiz yourself with questions and answers for Relational Database Module 2 Test, so you can be ready for test day. A data model must also include a set of operations to manipulate, retrieve the data in the database, in addition to defining the database structure and constructs. C. Explore quizzes and practice tests created by teachers and students or create one from your course material. "CaselnsensitrveHashMap" View Answer Answer: B NEW QUESTION 21 Refer to the exhibit. It is often used when you want to retrieve a specific number of rows from a table that meet certain criteria, or when you want to retrieve the first N rows of a result set. The SQL Select statement retrieves data from a database and returns it in a ________, a set of records matching the selection criteria. A variable A domain A tuple A relation A table An equation, Which of these answers are relational operations? Select all that apply. What is the method to capture both payloads so the payload from the second request does not overwrite that from the first? The Address table currently contains four (4) records. The Transform Message component then enrich the payload by prepending a vendor name to the sale data. 31, INTERSECT and EXCEPT operations are also supported. Object D. The most commonly used SQL aggregate functions are: MIN() - returns the smallest value within the selected column MAX() - returns the largest value within the selected Questions 14 A flow needs to combine and return data from two different data sources. 3 If a row in one table is The clause SELECT COUNT (*) results in a table with a single row and a single column. 15, “Subqueries”. To protect database queries, configure the Input parameters field in the Select operation by adding variable values to the SQL statement you execute in the database. What payload is returned by a Database SELECT operation that does not match any rows in the database? A . The canonical order of a SELECT statement is as follows, with less common clauses being indented: Jul 23, 2025 · Creating and managing databases in SQL involves various commands and concepts that handle the structuring, querying, and manipulation of data. Jun 19, 2016 · This page contains 11 of the most commonly used SQL statements, along with a basic example of usage. To avoid duplicate processing of records in a database C. The Set payload transformer sets the payload to an object. 6 days ago · A web client sends sale data in a POST request to the Mule application. A SELECT statement can start with a WITH clause to define This tutorial shows you how to use the SQL FETCH clause to skip N rows in a result set before starting to return any rows. columns: select top 5 a,b from ( select a, b, 0 ord from yourTable union all select null a,null b, 1 from sys. Instant Online Access. Relational algebra is based upon the fact that you can pass tabular data through a set of data operators (select, filter, join, sort, union, etc. What is logged by the Logger? The Database Select operation returns five rows from a database. You can specify exactly what data you need from one or more tables by filtering for specific rows, choosing columns, and even performing calculations on the data. Nothing, previous payloads are combined into the next payload D. Feb 19, 2024 · Most of the major RDBMS s provide us with the ability to perform set operations. Aug 4, 2019 · In this article, we'll look at one of the statements you'll use a lot in SQL: the SELECT statement. Data Storage: Data is stored in tables, each containing rows and columns. You can choose one or more tables, as well as which specific columns you want to select data from. What is logged by the Logger component? Option A “Array” B “Object” C “LinkedHashMap” D “CaseInsensitrveHashMap” Explanation 题目的意思很简单，就是问Select组件从数据库查询出来的payload的类型，严谨一点，typeOf (payload)的输出是 Question 6 Refer to the payload. Knowing that, the function "typeOf" is going to return "array". True or False?, What command retrieves data from the database? and more. Reading the log is often the last resort when investigating how certain changes occurred. To enable duplicate processing of records in a database. Jul 12, 2025 · Select operation chooses the subset of tuples from the relation that satisfies the given condition mentioned in the syntax of selection. The relational algebra operation enables a user to specify I want to select last 50 rows from MySQL database within column named id which is primary key. "Object" B. foreign keys c. using sys. The logger component's message attribute is configured with the string "Result # ["INFO"++ payload]" What is the output of logger when this flow executes? A Database On Table Row listener retrieves data from a CUSTOMER table that contains a primary key user_id column and an increasing time_stamp column . Mar 13, 2014 · The SQL Server transaction log contains the history of every action that modified anything in the database. The database server stores all the data, while the client interacts with the server by sending queries to retrieve or update the data. IT Certification Guaranteed, The Easy Way! Exam : MCD-Level-1 Title : MuleSoft Certified Developer - Level 1 (Mule 4) Vendor : MuleSoft Version : V12. What is the structure of the payload at the end of the flow? A) B Questions & Answers Computer Science what is logged by the Logger component? exhibits. The transaction log is a critical component of the database. - By default Streaming is enabled in Mule 4 database Connector that means It will not degrade the network overhaed and Memory shortage. To save the most recent records retrieved from a database to enable database caching. Instant Access. ) in a algebraic structure. It is one of the main forensic tools at your disposal when trying to identify the author of an unwanted change. I have made a table(say new_table) in another database and i am using mysql stored procedure to populate it. This operation is commonly represented by the SQL statement 'SELECT', which specifies the columns to be included in the results. "CaselnsensitrveHashMap" View Answer Answer: C Prev QuestionNext Question Latest MuleSoft Certified Developer-Level 1 Dumps Valid Version with 99 Q&As Latest And Valid Q&A | Instant Download | […] Oct 23, 2009 · php and mysql selecting 5 rows from mysql Asked 15 years, 6 months ago Modified 15 years, 6 months ago Viewed 2k times Sep 11, 2025 · A flow needs to combine and return data from two different data sources. The data returned is called a result set and is displayed in your development tool or used by the Relational algebra is procedural query language used to query the database in various ways. Understanding the log and digging through it for information is pretty hard core and Jan 13, 2020 · The SELECT statement is probably the most important SQL command. INTERSECT and EXCEPT operations are also supported. A SELECT statement can start with a WITH clause to define common table expressions Jan 5, 2023 · It means that a relational database contains tables containing rows and columns. The exam question base is updated hourly. "LinkedHashMap" C. 57. Packed with practical examples for beginners and intermediate users. "CaseInsensitiveHasMap” D. Each column defines a specific attribute, and each row represents a unique entity or record. Relational algebra is a fundamental concept in the field of Database Management Systems (DBMS). The Database Select operation returns five rows from a database. Array B. Save the payload from the Database SELECT operation to a variable Answer: D NEW QUESTION 45 Refer to the exhibits. What execution model is used by For Each and Batch job scopes? A. This is concise, while allowing downstream code fine-grained control if needed. e. And, in order to find a certain record in the relational database, select operation us used. What is logged by the Logger component?A . We want to retrieve all purchases AND all locations, even if there were no purchases made at those locations. To explicitly specify that you want to retrieve identical rows, use the ALL option. This tutorial shows you how to use the SQL SELECT statement to retrieve data from a single table. By default, all rows are retrieved, even when their values are the same. Logged messages to the module-level logger get forwarded to handlers of loggers in higher-level modules, all the way up to the highest-level logger known as the root logger; this approach is known as hierarchical logging. primary keys, 12. to return the number of rows that match a specified criteria c. and more. "Array" Answer: B NEW QUESTION 45 Refer to the exhibits. What is logged by the Logger component? Mulesoft Discussion, Exam MCD - Level 1 topic 1 question 117 discussion. What is logged by the Logger component? 5 days ago · Questions 8 Refer to the exhibit. It lets you specify which columns of the table to fetch and the criteria for rows. What is the method to capture both payloads so the payload from the second request does not overwrite that from the first? + A flow needs to combine and return data from two different data sources. To ensure you keep your full activity history, please create a free Trailblazer account using the same email address as for your current MuleSoft forum account. The results are displayed in a single result set as though we’d run a single query. If you omit it, the query will return the row_count rows from the first row returned by the SELECT clause. The OFFSET clause is optional. Aug 21, 2025 · In this article, we will be learning about how to do basic database operations using JDBC (Java Database Connectivity) API in Java programming language. When you use the LIMIT clause, it is important to use an ORDER BY clause to ensure the order of rows in the result set. g. The SELECT statement is used for retrieving data from the database. These operations are based on set theory principles and include UNION, INTERSECT, and MINUS (also known as EXCEPT in some database systems). foreign keys c. In other words, Relational Algebra is a formal language for the relational mode. Refer to the exhibit. To enable multithreaded event processing for each record retrieved from a database D. to return the number of tables in a database b. It supports filtering with WHERE, sorting with ORDER BY, and limiting results with LIMIT. It allows users to specify which columns and rows they want to retrieve and display the results in a structured format. It includes fundamental SQL commands like CREATE DATABASE 3. Now it's time to select the data from existing tables using the SQL query. A query may produce some identical rows. Before attempting to modify, insert or delete data from a database table, it's a good idea to be able to read data from the database first. Selecting Data from Table In the previous chapter we've learned how to insert data in a database table. "CaselnsensitrveHashMap" View Answer May 4, 2024 · D Question 6 Question Type: MultipleChoice Refer to the exhibit. Both are singled-threaded B. Jan 24, 2023 · 7. primary keys, 12. The SELECT clause is used to retrieve information from database table (s). "Object" C . columns ) t order by ord The advantage of the tally would be that if you need another number of rows in Study with Quizlet and memorize flashcards containing terms like A database extracted from the operational database for BI purposes typically ________. What is logged by the Logger Component? A. What is logged by the Logger component? "Array" "Object" "LinkedHashMap" Jul 14, 2025 · Q5. It’s used to return results from our database(s). Aug 26, 2025 · Applies to: SQL Server Every SQL Server database has a transaction log that records all transactions and the database modifications made by each transaction. B. Jul 1, 2016 · If you use some sort of tally table (although the numbers themselves do not matter, only that the table has enough records), you can use it to create the dummy rows. What is logged by the Logger component? A flow contains a Database Select operation followed by an HTTP Request operation. Not all database systems support the LIMIT clause. The Database Select operation returns five rows from a database . Study with Quizlet and memorize flashcards containing terms like A string concatenation operation evaluates to null if all of the input columns have a value. The On Table Row Database listener is configured with its watermark set to the Address table’s ZIPCODE column and then the Mule application is run in Anypoint Studio for the first time, and the On Table Row Database listener polls the Address table. Jul 23, 2025 · The primary function of the SELECT operation is to retrieve data based on specific criteria. Nov 7, 2022 · That flow transforms the incoming payload into JSON format and returns the response to the HTTP request. Study with Quizlet and memorize flashcards containing terms like Natural join, Recursive Relationship, It depends on how many rows have matching data in each of the two tables. 1 An app team is developing a mobile banking app. DBMS: Relational Algebra (Select Operation)Topics discussed:1. What is logged by the Logger component? Refer to the exhibit. I need to iterate through each record All answers have been verified by MuleSoft certified FoMS experts. Basic Queries with SELECT The simplest use of SELECT is to retrieve all records from a table. What is logged by the Logger component? Refer to the exhibits. Nov 15, 2023 · Sometimes we might just want to see a handful of rows, without hundreds, thousands or even millions of rows being returned. A. By utilizing the SELECT statement, users can easily filter, sort, and manipulate data to extract the information they need for analysis Study with Quizlet and memorize flashcards containing terms like Aggregate functions, Constraints, the semicolon is a statement terminator and more. The Flow must combine and return data received from these two connector operations. Save the payload from the Database SELECT operation to a variable. For example, we might just want to see the first five rows returned by a query, even though the query would normally return thousands of rows. Sep 15, 2025 · That flow transforms the incoming payload into JSON format and returns the response to the HTTP request. What is logged by the Logger component? A flow needs to combine and return data from two different data sources. How should the listener be configured so it retrieved new rows at most one time? Nov 22, 2008 · I want to select the last 5 records from a table in SQL Server without arranging the table in ascending or descending order. "Array" B . If you already have a In Mule application, what is the key process to enable manual watermarking for requests to a database using the Scheduler endpoint and the Database SELECT operation?、A flow has a JMS Publish Consume operation followed by a JMS Publish operation. to return the number of SQL statements in query d. What is the method to capture both payloads so the payload from the second request does not overwrite that from the first? Study with Quizlet and memorize flashcards containing terms like The basic storage structure in a Relational Database is a _________, The DESCRIBE command returns all rows from a table. . This article will dive deep into understanding and effectively using this powerful tool. In this table, I have a single column with 2 values: "test value1", "test value2". Most major RDBMS s provide us with at least one method for doing this. Types of Relational Algebra operations The different types of relational algebra operations are as follows − Select operation Project operation Rename operation Union operation Intersection operation Difference In the Database On Table Row operation, what does the Watermark column enable the On Table Row operation to do? A. Learn how to retrieve data, use aliases, work with distinct values, and apply functions in your queries. If there's a system failure, you need this log to bring your database back to a consistent state. It provides a set of operations for manipulating and querying relational databases, which are structured collections of data stored in tables. - Suppose you are firing SELECT query . “LinkedHashMap” C. For instance if you execute a SELECT query in the Database Connector, it will return a Collection Data Type (ArrayList) containing the records. acwot ynnr golrtho ufftz ucqz rofuytg ryvfowgp ykycqzc mczd mduc