Quizzes, Questions & Answers

Recent Quizzes

SQL is the standard and acceptable language for storing, manipulating and retrieving data in databases. This technology helps the specialists in undertaking their work. How good are you with different SQL concepts? Find out...

Questions: 20 | Attempts: 142 | Last updated: Aug 7, 2024

Sample Question
You can add a row using SQL in a database with which of the following?

ADD

CREATE

INSERT

MAKE

SQL Quiz-2 By "The Cloud9"

SQL Quiz-2 by "The Cloud9"

SQL Quiz-2 by 'The Cloud9' assesses advanced SQL skills through practical questions on table structures, data manipulation, and procedural SQL. It's designed for learners to enhance their database management capabilities.

Questions: 16 | Attempts: 474 | Last updated: Mar 20, 2023

Sample Question
Examine the structure of the EMPLOYEES and NEW_EMPLOYEES tables: EMPLOYEES EMPLOYEE_ID NUMBER Primary Key FIRST_NAME VARCHARD2(25) LAST_NAME VARCHARD2(25) HIRE_DATE DATE NEW EMPLOYEES EMPLOYEE_ID NUMBER Primary Key NAME VARCHAR2(60) Which UPDATE statement is valid?

UPDATE new_employees SET name = (Select last_name|| first_name FROM employees Where employee_id =180) WHERE employee_id =180;

UPDATE new_employees SET name = (SELECT last_name||first_name FROM employees) WHERE employee_id =180;

UPDATE new_employees SET name = (SELECT last_name|| first_name FROM employees WHERE employee_id =180) WHERE employee_id =(SELECT employee_id FROM new employees);

UPDATE new_employees SET name = (SELECT last name|| first_name FROM employees WHERE employee_id= (SELECT employee_id FROM new_employees)) WHERE employee_id =180;

SQL Quiz By "The Cloud 9"

SQL Quiz by "The Cloud 9"

The SQL Quiz by 'The Cloud 9' assesses knowledge in SQL commands and concepts, focusing on operations like DELETE, understanding constraints, Oracle interfaces, and performance optimization. It's designed for learners to test and...

Questions: 18 | Attempts: 276 | Last updated: Mar 21, 2023

Sample Question
With SQL, how can you delete the records where the "FirstName" is "Peter" in the Persons Table?

1. DELETE ROW FirstName='Peter' FROM Persons

2. DELETE FirstName='Peter' FROM Persons

3. DELETE FROM Persons WHERE FirstName = 'Peter'

4. None

SQL & Pl/SQL

SQL & PL/SQL

This SQL & PL\/SQL quiz assesses knowledge on block-structured language specifics, executable sections, table security through views, handling of null values, DCL statements, and efficient data retrieval methods. It's tailored...

Questions: 16 | Attempts: 1465 | Last updated: Mar 21, 2023

Sample Question
PL/SQL is a _______ language?

Object oriented

Block structured

Object structured

All the above

SQL Test: Trivia Quiz Questions!

Dive into the fundamentals of software development with this SQL Test: Trivia Quiz Questions! Assess your understanding of pointers, memory allocation, system calls, and more. Enhance your skills in handling various programming...

Questions: 20 | Attempts: 1043 | Last updated: Mar 20, 2023

Sample Question
A pointer is

A keyword used to create variables

A variable that stores address of an instruction

A variable that stores address of other variable

All of the above

Sort Quiz Over SQL And T-SQL

Sort quiz over SQL and T-SQL

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, 2023

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: 430 | Last updated: Mar 16, 2023

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: 244 | Last updated: Mar 20, 2023

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, 2023

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: 1144 | Last updated: Mar 18, 2023

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.

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