Update Statement is used to change existing values in a table or a view's base table.
Example 1 :
update emp
set sal = sal*2.25
where deptno = 30
Example 2 :
update emp
set sal = sal*2.25
where empno in ( select empno from emp_1 )
QC-5
41) C, 42) E, 43) A, 44) B, 45) A, 46) B, 47) A, 48) C, 49) B, 50) B
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