Answer Posted / reddy

cursors are used to retrieve multiple rows . Cussors will
retrieve one row at a time and save the data in the
hostvariables.For retreiving the 2 nd row, we need to
repeat the loop.the same process is continued at the end of
data.

select stmt will retrieve multiple rows at a time. assume
that there are 10 rows in a table.
EX: EXEC SQL
SELECT empno , ename into :hvempno ,:hvename from emp;
END EXEC;

Here the above sql query reults all the 10 rows. But , the
host variables will hold only one row of data.the remaining
9 rows will not be stored any where.

hope this may help u

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