1.

In SQL, which command(s) is(are) used to change a table’s storage characteristics?(a) ALTER TABLE(b) MODIFY TABLE(c) CHANGE TABLE(d) All of the MentionedThe question was asked in an internship interview.I need to ask this question from DDL Command in section SQL Basics of Oracle

Answer»

Right ANSWER is (a) ALTER TABLE

The EXPLANATION: To change the structure of the table we USE ALTER TABLE SYNTAX:

ALTER TABLE “table_name” ADD “column_name” datatype

OR

ALTER TABLE “table_name” DROP COLUMN “column_name”.



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