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):

Begin trigger

AFTER trigger

BEFORE trigger

INSTEAD OF trigger

2 / 20

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

Report

Table

File

3 / 20

STATEMENT-level triggers are executed only once for the entire statement. True or False?

False

True

4 / 20

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

Bulk-logged recovery

Full recovery

Simple recovery

Differential recovery

5 / 20

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

Increased network traffic

SQL can be optimized

Greater security

Code sharing

6 / 20

What is an advantage of placing computations in SQL views?

All of the above

To save users from having to write an expression.

None of the above

To make saving of data easier

7 / 20

Embedded SQL is which of the following?

Hard-coded SQL statements in a procedure

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

8 / 20

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

False

True

9 / 20

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

Increased dependence on a single vendor

Reduced training cost

All of the above

Applications are not needed

10 / 20

How many tables may be included with a join?

All of the above

11 / 20

VARCHAR and VARCHAR2 are used to store variable-length character strings.

False

True

12 / 20

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

Where and select

From and select

From and table

Select and from

13 / 20

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

DESCRIBE

WHERE

ORDER BY

DISTINCT

14 / 20

Which one of the following sorts rows in SQL?

ORDER BY

ALIGN BY

SORT BY

GROUP BY

15 / 20

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

Security

Search Option

High availability

Manageability

16 / 20

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

Universal keys

Unique Keys

Primary Keys

Foreign Keys

17 / 20

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

False

True

18 / 20

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

False

True

19 / 20

Which of this is not correct about Column Alias?

Is useful with calculations

Is Oracle vendor specific

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

Renames a column heading

20 / 20

Which operator will be evaluated first in the following SELECT statement?

SELECT (2+3*4/2-5) FROM dual;

A. *

B. +

C. /

D. -

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!