MCQ IN COMPUTER SCIENCE & ENGINEERING

COMPUTER SCIENCE AND ENGINEERING

SQL

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
In the keyword WHERE of the Select which operators can be used?
A
AND, OR, NOT
B
Relational operators
C
AND, OR, NOT and relational operators
D
NONE
Explanation: 

Detailed explanation-1: -The AND and OR operators are used to filter records based on more than one condition: The AND operator displays a record if all the conditions separated by AND are TRUE. The OR operator displays a record if any of the conditions separated by OR is TRUE.

Detailed explanation-2: -Relational Operators Supported Data Types The == and != operators can be used with any primitive data types as well as objects. The <, >, <=, and >= can be used with primitive data types that can be represented in numbers. It will work with char, byte, short, int, etc.

Detailed explanation-3: -The SQL AND condition and OR condition can be combined to test for multiple conditions in a SELECT, INSERT, UPDATE, or DELETE statement. When combining these conditions, it is important to use parentheses so that the database knows what order to evaluate each condition.

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