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

With this type of index, the bottom level of an index does not contain data, but rather it contains pointers to data.

Secondary

Nonclustered

Primary

Scondary

2 / 20

The result of a SQL SELECT statement is a(n) ________.

Report

Table

Report

File

3 / 20

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

None of the above

Trigger

Pseudofile

Stored procedure

4 / 20

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

Greater security

Code sharing

SQL can be optimized

Increased network traffic

5 / 20

Embedded SQL is which of the following?

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

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

Hard-coded SQL statements in a trigger

Hard-coded SQL statements in a procedure

6 / 20

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

False

True

7 / 20

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

Reduced training cost

Increased dependence on a single vendor

Applications are not needed

All of the above

8 / 20

How many tables may be included with a join?

All of the above

9 / 20

To update an SQL view, the DBMS must be able to associate the column(s) to be updated with:

A particular column in a particular row

A particular column in a particular underlying table

A particular row in a particular underlying table

Particular column in a particular row

10 / 20

Which one of the following sorts rows in SQL?

ORDER BY

ALIGN BY

GROUP BY

SORT BY

11 / 20

Which of the following is true concerning a procedure?

hey are the same thing as a function.

They do not need to have a unique name.

You do not create them with SQL.

They include procedural and SQL statements

12 / 20

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

True

False

13 / 20

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

High availability

Manageability

Search Option

Security

14 / 20

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

Primary Keys

Unique Keys

Foreign Keys

Universal keys

15 / 20

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

False

True

16 / 20

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

False

True

17 / 20

The UNION operator combines the results of two or more SELECT queries into a single result set – as if it came from a single query.

True

False

18 / 20

Which of this is not correct about Column Alias?

Is useful with calculations

Renames a column heading

Requires double quotation marks if it contains spaces or special characters or if it is case-sensitive

Is Oracle vendor specific

19 / 20

Which statement is true regarding operators used with subqueries?

The IN operator cannot be used in single-row subqueries

The NOT IN operator is equivalent to IS NULL

=ANY and =ALL operators have the same functionality

The <ANY operator means less than the maximum

20 / 20

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

True

False

Your score is

The average score is 0%

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!