Oracle Tables and Views: Beginners-Level Quiz

Oracle Tables and Views

Welcome to the "Oracle Tables and Views" quiz! In this quiz, you'll explore fundamental concepts related to database tables, which store structured data, and views, which provide virtual representations of that data. Delve into their creation, management, and practical applications, as well as the differences between tables and views. Test your knowledge and enhance your understanding of how to effectively organize and access data within an Oracle Database. Let's get started!

1 / 20

How many tables may be included with a join?

All of the above

2 / 20

Oracle automatically creates the SYSTEM tablespace.

True

False

3 / 20

What is the syntax to create a table?

CREATE TABLE

CREATE DATABASE

CREATE COLUMN

CREATE ROW

4 / 20

____ keys are single fields or combinations of fields that contain unique information about the record.

Foreign

Composite

Alternate

Primary

5 / 20

In relational databases, the joining of two tables is?

Combination of union and filtered Cartesian product

Cartesian product always

Combination of selection and filtered Cartesian product

Combination of projection and filtered Cartesian product

6 / 20

A new table will contain records from the ___ table if it is created using the CREATE TABLE AS method.

Redundant

New

Existing

None

7 / 20

What does "view_name" specifies?

Creates a VIEW with a given name

Updates a VIEW with a given name

Modifies a VIEW with a given name

Deletes a VIEW with a given name

8 / 20

What is the syntax of CREATE TABLE AS?

CREATE TABLE table_name FROM (SELECT*FROM previoustable_name)

CREATE TABLE table_name AS (SELECT*FROM previoustable_name)

CREATE TABLE table_name AT (SELECT*FROM previoustable_name)

CREATE TABLE table_name IN (SELECT*FROM previoustable_name)

9 / 20

The ____________ contains a set of tables and views that Oracle uses as a reference to the database.

SGA

PGA

Library cache

Data dictionary

10 / 20

While creating a table, the column should be specified as either NULL or NOT NULL. True or False?

True

False

11 / 20

Can we update the data in an Oracle VIEW?

YES

Probably

No Idea

12 / 20

One or more tables are joined to create a ____.

Virtue

Variable

View

None

13 / 20

The data ____ is stored in an Oracle database and does not contain any data.

Dependency

Redundancy

Dictionary

None

14 / 20

In addition to eliminating all ____ integrity constraints, CASCADE CONSTRAINTS will also drop all other constraints.

Sequential

Referential

Relational

Consecutive

15 / 20

Tables are created by _____ types for each column.

Naming them

Specifying the Data

Defining their Columns

All of the above

16 / 20

Views are also called as ____.

Virtual tables

Complex tables

Simple tables

Actual Tables

17 / 20

Oracle will ____ the table if there is a referential integrity constraint on table_name that is not specified as CASCADE CONSTRAINTS on the DROP TABLE statement.

Drop

Not drop

Delete

Not delete

18 / 20

A new table is created in an Oracle database using the ____ TABLE statement.

ALTER

UPDATE

CREATE

NEW

19 / 20

What the column must have while creation?

Datalink

Datatype

Dataset

Database

20 / 20

The program compares two columns from different tables and combines pairs of rows containing the same row from both tables, provided that the ____ condition holds.

Non-Join

Minus

Join

Addition

Your score is

The average score is 0%

Oracle tables and views focus on the foundational concepts of storing and presenting data in Oracle databases.

This includes creating, managing, and modifying tables (the primary data storage structures) and views (virtual tables derived from queries).

This quiz is designed for those wanting to learn how to structure and retrieve data effectively and use views for improved query performance and security.

Good luck!