Database-Management-System
August 29, 2024Database-Management-System
August 29, 2024Database-Management-System
Question 683 |
__________ SQL command changes one or more fields in a record.
LOOK-UP | |
INSERT | |
MODIFY | |
CHANGE |
Question 683 Explanation:
The ALTER TABLE statement is used to add, delete, or modify columns in an existing table.
The ALTER TABLE statement is also used to add and drop various constraints on an existing table.
Syntax:ALTER TABLE table_name MODIFY COLUMN column_name datatype;
The ALTER TABLE statement is also used to add and drop various constraints on an existing table.
Syntax:ALTER TABLE table_name MODIFY COLUMN column_name datatype;
Correct Answer: C
Question 683 Explanation:
The ALTER TABLE statement is used to add, delete, or modify columns in an existing table.
The ALTER TABLE statement is also used to add and drop various constraints on an existing table.
Syntax:ALTER TABLE table_name MODIFY COLUMN column_name datatype;
The ALTER TABLE statement is also used to add and drop various constraints on an existing table.
Syntax:ALTER TABLE table_name MODIFY COLUMN column_name datatype;