1.Never used extend before. Below method is OK. select CONCAT(RTRIM('aa',''''),'ball') from dual 2. Simple sample for exists method. select ID from tablename where exists( select id from tablename where id > 10)
Sorry, I recorrect it. 1.Never used extend before. Below method is OK. select CONCAT(RTRIM('aa ',' '),'ball') from dual 2. Simple sample for exists method. select ID from tablename where exists( select id from tablename where id > 10)
select CONCAT(RTRIM('aa',''''),'ball') from dual
2. Simple sample for exists method.
select ID from tablename
where exists( select id from tablename where id > 10)
1.Never used extend before. Below method is OK.
select CONCAT(RTRIM('aa ',' '),'ball') from dual
2. Simple sample for exists method.
select ID from tablename
where exists( select id from tablename where id > 10)