<Ul> <Li> Find any string that contains the letter' A' followed by any single character followed by the letter' E' SELECT ename FROM emp WHERE ename LIKE'% A_E%'; </Li> </Ul> <Li> Find any string that contains the letter' A' followed by any single character followed by the letter' E' SELECT ename FROM emp WHERE ename LIKE'% A_E%'; </Li> <Li> Character Classes <Ul> <Li> Find any string that starts with a letter or number or the symbol' _' SELECT ename FROM emp WHERE ename LIKE' (a-zA - Z0 - 9_)%'; </Li> </Ul> </Li> <Ul> <Li> Find any string that starts with a letter or number or the symbol' _' SELECT ename FROM emp WHERE ename LIKE' (a-zA - Z0 - 9_)%'; </Li> </Ul>

When does the where clause act on rows