Record Variables for Oracle PL/SQL

a grammar

emp_rec emp%rowtype;

meaning

emp_rec code The data type of a row in the emp table.

References to record variable components

emp_rec.ename := 'hello';

 

two code

1. --使用记录变量，查询并打印7839的姓名和薪水
2. set serveroutput on
3. declare
4. --定义记录型变量；注意代表一行
5. emp_rec emp%rowtype;
6. begin
7. --得到7839一行的信息
8. select*into emp_rec from emp where empno=7839;
9. --打印姓名和薪水
10. DBMS_OUTPUT.put_line(emp_rec.ename||'薪水是'||emp_rec.sal);
11. end;
12. /

 

Three running results

KING salary is 5000

 

PL/SQL procedure completed successfully.