12th Grade SQL & Querying Quizzes, Questions & Answers

Recent SQL & Querying Quizzes

SQL is a language used in programming for managing data held in a relational database management system. T-SQL, on the other hand, is Microsoft's and Sybase's version. How well do you understand these two? Find out...

Questions: 10 | Attempts: 302 | Last updated: Mar 20, 2025

Sample Question
You can fetch only one row at a time.

True

False

Sybase Quiz :: 2

Sybase Quiz :: 2 tests knowledge on SQL commands, sorting results, logical operators, and stored procedures in Sybase. It evaluates understanding of SELECT, ORDER BY, AND operator, and execution of stored procedures, essential...

Questions: 10 | Attempts: 432 | Last updated: Mar 16, 2025

Sample Question
Which SQL command is used to extract data from tables?

EXTRACT

SELECT

FIND

None of above

T-SQL And General SQL: Unit 1 - Introduction To SQL Queries

T-SQL and General SQL: Unit 1 - Introduction To SQL Queries

This introductory quiz on T-SQL and SQL queries tests knowledge of data insertion, date formats, and query execution in SQL Server Management Studio. It assesses understanding of case sensitivity in queries and the use of SQL...

Questions: 26 | Attempts: 246 | Last updated: Mar 20, 2025

Sample Question
T-SQL: You have a table with a colum entitled 'job', whose values are all lower case. If you execute the following query: SELECT ename, job, deptno FROM dbo.emp WHERE job = 'CLERK' you will not get any results back buecase the match is case sensitve and so because all values of the 'job' colum are lowercase, uppercase 'CLERK' will not be found.

True

False

Oracle Mock 3

ORACLE MOCK 3

ORACLE MOCK 3 is designed to assess skills in SQL and Oracle database management, covering SQL*Plus features, query formulation, view modification, and constraints. This quiz is ideal for learners aiming to enhance their database...

Questions: 34 | Attempts: 545 | Last updated: Mar 22, 2025

Sample Question
Which /SQL*Plus feature can be used to replace values in the WHERE clause?

Substitution variables

Replacement variables

Prompt variables

Instead-of variables

This feature cannot be implemented through /SQL*Plus.

Oracle Mock Test

The 'Oracle Mock Test' assesses knowledge on Oracle SQL and database management, focusing on SQL statements, table constraints, and query functions. It's designed for learners to validate their understanding and readiness for...

Questions: 20 | Attempts: 1148 | Last updated: Mar 18, 2025

Sample Question
Which two statements are true regarding the default behavior of the ORDER BY clause? (Choose two.)

Null values are left out of the sort.

Character values are displayed from Z to A.

Date values are displayed with the earliest value first.

Null values are displayed last for descending sequences.

Numeric values are displayed with the lowest values first.

SQL Course 1 70-431

This quiz assesses advanced skills in managing and querying databases using SQL Server 2005. It covers topics such as linked servers, protocol configurations, and optimization techniques, essential for database administrators and...

Questions: 19 | Attempts: 150 | Last updated: Aug 23, 2025

Sample Question
Your application must access data that is located on two SQL Server 2005 computers. One ofthese servers is named SQL1 and the other is SQL2. You have permissions to create a storedprocedure on SQL1 to support your application. However, on SQL2 you only have permissions to select data. You write the stored procedure on SQL1. The stored procedure accesses SQL2 byusing the OPENQUERY Transact-SQL statement. However, the query fails when executed. You need to troubleshoot the cause of the error. What should you do?

Join the two servers by using the four-part syntax of server.database.schema.table.

Reference SQL2 by using an alias.

Add SQL2 as a remote server to SQL1.

Add SQL2 as a linked server to SQL1.

Access Interrogation: MS Access Queries Quiz

MS Access has all that it takes to manage a whole database with its tools and features to face modern world data-related problems. Challenge yourself with scenarios that mimic real-world data challenges, from sorting and grouping...

Questions: 10 | Attempts: 1142 | Last updated: Jul 22, 2025

Sample Question
Give the correct expression operator - Numbers between 1 to 10.

Between 1 or 10

Between 1 to 10

Between 1 and 10

Between 1 - 10

Quiz Me SQL

Questions regarding sql server 2005. mainly from stored procedures, triggers and indexes.

Questions: 44 | Attempts: 883 | Last updated: Mar 22, 2025

Sample Question
Which of the following statemens are true?

Procedures and functions must return values

Procedures and functions may return value

Procedures may return values

Functions must return values

Grand Test SQL

The 'Grand Test SQL' quiz assesses knowledge of SQL queries in an Oracle environment, focusing on query syntax, data manipulation, and ANSI compliance. It tests practical skills essential for database management and IT roles.

Questions: 40 | Attempts: 1085 | Last updated: Mar 21, 2025

Sample Question
) You issue the following select statement in Oracle: SQL> select e.empno, e.ename, d.loc from emp e, dept d where e.deptno = d.deptno and substr(e.ename,1,1) = 'S';Which of the following statements identifies an ANSI-compliant equivalent statement usable on the Oracle database?

Select empno, ename, loc from emp join dept on emp.deptno = dept.deptno where substr(emp.ename,1,1) = 'S';

Select empno, ename, loc from emp, dept on emp.deptno = dept.deptno where substr(emp.ename,1,1) = 'S';

Select empno, ename, loc from emp join dept where emp.deptno = dept.deptno and substr(emp.ename,1,1) = 'S';

Select empno, ename, loc from emp join dept on emp.deptno = dept.deptno and substr(emp.ename,1,1) = 'S';

Test Your DDL And DML Knowledge

Are you an avid coder? We have a special Oracle quiz for you! Test your DDL and DML Knowledge with this super informative, interesting quiz! We are here to challenge your knowledge! Let's see how well you perform in this...

Questions: 10 | Attempts: 4107 | Last updated: Mar 13, 2025

Sample Question
Examine the structure of the EMPLOYEES table: EMPLOYEE_ID NUMBER Primary Key FIRST_NAME VARCHAR2(25) LAST_NAME VARCHAR2(25) Which three statements inserts a row into the table?

INSERT INTO employees VALUES (NULL, 'JOHN','Smith');

INSERT INTO employees( first_name, last_name) VALUES ('JOHN','Smith');

INSERT INTO employees VALUES ('1000','JOHN','NULL');

INSERT INTO employees(first_name,last_name, employee_id) VALUES ('1000, 'john','Smith');

INSERT INTO employees (employee_id, first_name, last_name) VALUES ( 1000, 'john',");

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