Compare date type variable in PL/SQL block
SQL> -- create demo table
SQL> create table emp(
2 ID VARCHAR2(4 BYTE) NOT NULL,
3 fname VARCHAR2(10 BYTE),
4 lname VARCHAR2(10 BYTE),
5 Start_Date DATE,
6 End_Date DATE,
7 Salary Number(8,2),
8 City VARCHAR2(10 BYTE),
9 Description VARCHAR2(15 BYTE)
10 )
11 /
Table created.
SQL>
SQL>
SQL>
SQL> -- prepare data
SQL> insert into emp(ID, fname, lname, Start_Date, End_Date
, Salary, City, Description)
2 values ('01','Jason', 'Martin', to_date('19960725','YYYYMM
DD'), to_date('20060725','YYYYMMDD'), 1234.56, 'Toronto', 'Programmer')
3 /
1 row created.
SQL> insert into emp(ID, fname, lname, Start_Date, End_Date
, Salary, City, Description)
2 values('02','Alison', 'Mathews', to_date('19760321','YYYYMM
DD'), to_date('19860221','YYYYMMDD'), 6661.78, 'Vancouver','Tester')
3 /
1 row created.
SQL>
SQL>
SQL> declare
2 dateValue date;
3 s Number(8,2);
4 begin
5 select start_date into dateValue from emp where rownum = 1;
6 select salary into s from emp where rownum = 1;
7
8 IF dateValue > '11-APR-63' then
9 s := s * 1.15;
10 END IF;
11
12
13 dbms_output.put_line(s);
14 end;
15 /
1419.74
PL/SQL procedure successfully completed.
SQL>
SQL> drop table emp;
Table dropped.
SQL>
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