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 above
Answer: Option A
Solution (By Examveda Team)
To change the structure of the table we use ALTER TABLE.
Sytax:
ALTER TABLE "table_name"
ADD "column_name" datatype
OR
ALTER TABLE "table_name"
DROP COLUMN "column_name"
etc..
A. SELECT city, temperature, condition FROM weather WHERE condition = 'sunny' AND condition = 'cloudy' OR temperature > 70;
B. SELECT city, temperature, condition FROM weather WHERE condition = 'sunny' OR condition = 'cloudy' OR temperature > 70;
C. SELECT city, temperature, condition FROM weather WHERE condition = 'sunny' OR condition = 'cloudy' AND temperature > 70;
D. SELECT city, temperature, condition FROM weather WHERE condition = 'sunny' AND condition = 'cloudy' AND temperature > 70;