Oracle SQL Fundamentals: Beginner-Level Quiz

Oracle SQL Fundamentals Quiz

Welcome to the Oracle SQL Fundamentals Quiz! This quiz is designed to test your foundational knowledge of SQL in Oracle databases. You’ll encounter questions on essential commands, data retrieval, manipulation, and basic query structures.

By completing this quiz, you'll reinforce your understanding of SQL basics and build confidence for more advanced topics.

1 / 20

SQL Server program code that is executed instead of an SQL command that needs to be processed is called a(n):

INSTEAD OF trigger

AFTER trigger

Begin trigger

BEFORE trigger

2 / 20

A ________ is a program that performs some common action on database data and that is stored in the database.

Pseudofile

None of the above

Trigger

Stored procedure

3 / 20

The HAVING clause does which of the following?

Acts like a WHERE clause but is used for rows rather than columns

Acts like a WHERE clause but is used for groups rather than rows

Acts like a WHERE clause but is used for columns rather than groups

Acts EXACTLY like a WHERE clause

4 / 20

With which type of SQL Server recovery model, is no logging done?

Differential recovery

Simple recovery

Full recovery

Bulk-logged recovery

5 / 20

Which of the following is not an advantage of stored procedures?

Greater security

Code sharing

SQL can be optimized

Increased network traffic

6 / 20

Embedded SQL is which of the following?

The process of making an application capable of generating specific SQL code on the fly

Hard-coded SQL statements in a program language such as Java

Hard-coded SQL statements in a procedure

Hard-coded SQL statements in a trigger

7 / 20

Bind variables improve performance through caching and reusing, reducing the need for parsing.

True

False

8 / 20

The benefits of a standard relational language include which of the following?

Increased dependence on a single vendor

Applications are not needed

Reduced training cost

All of the above

9 / 20

How many tables may be included with a join?

All of the above

10 / 20

_________ identifies the columns to be displayed, and ______________ identifies the table containing columns.

Select and from

From and select

From and table

Where and select

11 / 20

Which of the clauses restricts the query to rows that meet a condition?

ORDER BY

DESCRIBE

WHERE

DISTINCT

12 / 20

Which of the following is true concerning a procedure?

They include procedural and SQL statements

You do not create them with SQL.

hey are the same thing as a function.

They do not need to have a unique name.

13 / 20

Scenario-based questions present candidates with complex case studies to solve. True or False?

False

True

14 / 20

Oracle Database 11g offers extensive features across the following focus areas except?

Search Option

Manageability

Security

High availability

15 / 20

Each row of data in a table is uniquely identified by a:

Unique Keys

Primary Keys

Universal keys

Foreign Keys

16 / 20

Bind variables improve performance through caching and reusing, reducing the need for parsing. True or False?

False

True

17 / 20

Schemas improve query performance through quicker data retrieval by reducing the need for full table scans. True or False?

False

True

18 / 20

Which statement is true regarding operators used with subqueries?

The NOT IN operator is equivalent to IS NULL

=ANY and =ALL operators have the same functionality

The IN operator cannot be used in single-row subqueries

The <ANY operator means less than the maximum

19 / 20

Grant and revoke belongs to?

Transaction control

Data control language (DCL)

Data manipulation language (DML)

Data definition language (DDL)

20 / 20

Keywords cannot be abbreviated or split across lines. True or false?

False

True

Your score is

The average score is 20%

Oracle SQL Fundamentals is a vital area of knowledge for anyone working with Oracle databases. It covers the basic operations of querying, manipulating, and organizing data in an efficient and structured manner.

This quiz is ideal for anyone looking to strengthen their foundational knowledge of SQL in the context of Oracle databases.

Good luck!