reference table data with tableName.columnName%type : Type « PL SQL « Oracle PL / SQL

1. Oracle PL / SQL
2. PL SQL
3. Type

reference table data with tableName.columnName%type

  
SQL>
SQL> CREATE TABLE EMP(
  2      EMPNO NUMBER(4) NOT NULL,
  3      ENAME VARCHAR2(10),
  4      JOB VARCHAR2(9),
  5      MGR NUMBER(4),
  6      HIREDATE DATE,
  7      SAL NUMBER(7, 2),
  8      COMM NUMBER(7, 2),
  9      DEPTNO NUMBER(2)
 10  );

Table created.

SQL> INSERT INTO EMP VALUES(2, 'Jack', 'Tester', 6,TO_DATE('20-FEB-1981', 'DD-MON-YYYY'), 1600, 300, 30);

1 row created.

SQL> INSERT INTO EMP VALUES(3, 'Wil', 'Tester', 6,TO_DATE('22-FEB-1981', 'DD-MON-YYYY'), 1250, 500, 30);

1 row created.

SQL> INSERT INTO EMP VALUES(4, 'Jane', 'Designer', 9,TO_DATE('2-APR-1981', 'DD-MON-YYYY'), 2975, NULL, 20);

1 row created.

SQL> INSERT INTO EMP VALUES(5, 'Mary', 'Tester', 6,TO_DATE('28-SEP-1981', 'DD-MON-YYYY'), 1250, 1400, 30);

1 row created.

SQL> INSERT INTO EMP VALUES(6, 'Black', 'Designer', 9,TO_DATE('1-MAY-1981', 'DD-MON-YYYY'), 2850, NULL, 30);

1 row created.

SQL> INSERT INTO EMP VALUES(7, 'Chris', 'Designer', 9,TO_DATE('9-JUN-1981', 'DD-MON-YYYY'), 2450, NULL, 10);

1 row created.

SQL> INSERT INTO EMP VALUES(8, 'Smart', 'Helper', 4,TO_DATE('09-DEC-1982', 'DD-MON-YYYY'), 3000, NULL, 20);

1 row created.

SQL> INSERT INTO EMP VALUES(9, 'Peter', 'Manager', NULL,TO_DATE('17-NOV-1981', 'DD-MON-YYYY'), 5000, NULL, 10);

1 row created.

SQL> INSERT INTO EMP VALUES(10, 'Take', 'Tester', 6,TO_DATE('8-SEP-1981', 'DD-MON-YYYY'), 1500, 0, 30);

1 row created.


SQL> INSERT INTO EMP VALUES(13, 'Fake', 'Helper', 4,TO_DATE('3-DEC-1981', 'DD-MON-YYYY'), 3000, NULL, 20);

1 row created.


SQL>
SQL> CREATE TABLE DEPT(
  2      DEPTNO NUMBER(2),
  3      DNAME VARCHAR2(14),
  4      LOC VARCHAR2(13)
  5  );

Table created.

SQL>
SQL> INSERT INTO DEPT VALUES (10, 'ACCOUNTING', 'NEW YORK');

1 row created.

SQL> INSERT INTO DEPT VALUES (20, 'RESEARCH', 'DALLAS');

1 row created.

SQL> INSERT INTO DEPT VALUES (30, 'SALES', 'CHICAGO');

1 row created.

SQL> INSERT INTO DEPT VALUES (40, 'OPERATIONS', 'BOSTON');

1 row created.

SQL>
SQL>
SQL> create table empLog (
  2   ENAME VARCHAR2(20),
  3   HIREDATE DATE,
  4   SAL NUMBER(7,2),
  5   DNAME VARCHAR2(20),
  6   MIN_SAL VARCHAR2(1) );

Table created.

SQL>
SQL>
SQL>
SQL> create or replace procedure report_sal_adjustment2 is
  2       avgSalary emp.sal%type;
  3       minSalary emp.sal%type;
  4       deptName dept.dname%type;
  5       cursor empList is select empno, ename, deptno, sal, hiredate from emp;
  6  begin
  7       for empRec in empList loop
  8           select avg(emp.sal), min(emp.sal), dept.dname into avgSalary, minSalary,deptName from dept, emp where dept.deptno = empRec.deptno and emp.deptno = dept.deptno group by dname;
  9           if empRec.sal - avgSalary > 0 then
 10               if minSalary = empRec.sal then
 11                   insert into empLog values ( empRec.ename, empRec.hiredate, empRec.sal, deptName, 'Y');
 12               else
 13                   insert into empLog values ( empRec.ename, empRec.hiredate, empRec.sal, deptName, 'Y');
 14               end if;
 15           end if;
 16       end loop;
 17  end;
 18  /

Procedure created.

SQL> show errors
No errors.
SQL>
SQL> drop table empLog;

Table dropped.

SQL> drop table emp;

Table dropped.

SQL> drop table dept;

Table dropped.

   
    
  

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