Question

Write an SQL query to display all the attributes of a relation named “TEST” along with their description.

Answer 1

Answer:

Explanation:

DESCRIBE TEST

Or you can use

DESC TEST

Answer 2

There are two statements in SQL which help us in getting all the attributes along with their descriptions. They are:

1. DESCRIBE TEST;

2. DESC TEST;

Explanation:

• DESC Tablename; is the short form of the statement DESCRIBE Tablename;

• DESCRIBE Tablename; is an SQL statement that is used to describe all the attributes of a relation table. In short, it describes the schema or structure of the table.

• Both the statement keywords DESC and DESCRIBE are case insensitive in SQL i.e., you can go for smalls or capitals or a combination of both to write the query. They are valid till the spellings are correctly written.

• The attributes include the name of the column, data-type of the column, and their nullability i.e., if the column contains null values or not.

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