CREATE OR REPLACE PROCEDURE dept_query(p_deptno emp.deptno%TYPE,p_sal emp.sal%TYPE)IS emp_refcur SYS_REFCURSOR;v_empno emp.empno%TYPE;v_ename emp.ename%TYPE;BEGIN OPEN emp_refcur FOR 'SELECT empno,ename FROM emp WHERE ...
FORALL i IN t_emp.FIRST.t_emp.LAST INSERT INTO emp_copy VALUES t_emp(i);END;以下示例使用 FORALL 语句更新三名员工的工资：DECLARE TYPE empno_tbl IS TABLE OF emp.empno%TYPE INDEX BY BINARY_INTEGER;TYPE sal_tbl IS TABLE OF emp...
Create the 'emp_db' table CREATE TABLE emp_db(empno NUMBER(4)NOT NULL CONSTRAINT emp2_pk PRIMARY KEY,ename VARCHAR2(10),job VARCHAR2(9),mgr NUMBER(4),hiredate DATE,sal NUMBER(7,2)CONSTRAINT emp2_sal_ck CHECK(sal>0),comm ...
CREATE OR REPLACE PROCEDURE open_emp_by_dept(p_emp_refcur IN OUT SYS_REFCURSOR,p_deptno emp.deptno%TYPE)IS BEGIN OPEN p_emp_refcur FOR SELECT empno,ename FROM emp WHERE deptno=p_deptno;END;这第三个变体使用 SELECT 命令打开...
CREATE OR REPLACE PROCEDURE emp_comp_update(p_empno IN emp.empno%TYPE,p_sal IN emp.sal%TYPE,p_comm IN emp.comm%TYPE)IS v_empno emp.empno%TYPE;v_ename emp.ename%TYPE;v_job emp.job%TYPE;v_sal emp.sal%TYPE;v_comm emp.comm%...
EMPNO ENAME-7369 SMITH 7499 ALLEN 7521 WARD 7566 JONES 7654 MARTIN 7698 BLAKE 7782 CLARK 7788 SCOTT 7839 KING 7844 TURNER emp%ROWTYPE属性可用于定义emp_arr_typ，而不是使用emp_rec_typ记录类型，如下所示。DECLARE TYPE emp_arr_...
CREATE OR REPLACE PROCEDURE emp_sal_query(p_empno IN emp.empno%TYPE)IS TYPE emp_typ IS RECORD(ename emp.ename%TYPE,job emp.job%TYPE,hiredate emp.hiredate%TYPE,sal emp.sal%TYPE,deptno emp.deptno%TYPE);r_emp emp_typ;v_avgsal...
CREATE OR REPLACE TYPE BODY emp_pay_obj_typ AS MEMBER PROCEDURE display_emp(SELF IN OUT emp_pay_obj_typ)IS TYPE emp_typ IS RECORD(ename emp.ename%TYPE,job emp.job%TYPE,hiredate emp.hiredate%TYPE,sal emp.sal%TYPE,deptno emp...
FOR i IN 1.t_emp.COUNT LOOP DBMS_OUTPUT.PUT_LINE(t_emp(i).empno|' '|RPAD(t_emp(i).ename,8)|' '|RPAD(t_emp(i).job,10)|' '|TO_CHAR(t_emp(i).hiredate,'DD-MON-YY')|' '|TO_CHAR(t_emp(i).sal,'99,999.99')|' '|TO_CHAR(NVL(t_emp(i)...
CURSOR emp_cur_3 IS SELECT empno,ename FROM emp WHERE deptno=10 ORDER BY empno;BEGIN OPEN emp_cur_3;FETCH emp_cur_3 INTO v_empno,v_ename;END;不显式声明目标变量的数据类型，而是可以使用%TYPE。这样，即使更改了数据库列的数据...
BEGIN SELECT ename,job,hiredate,sal,deptno INTO r_emp.ename,r_emp.job,r_emp.hiredate,r_emp.sal,r_emp.deptno FROM emp WHERE empno=p_empno;DBMS_OUTPUT.PUT_LINE('Employee#:'|p_empno);DBMS_OUTPUT.PUT_LINE('Name:'|r_emp.ename);...
ERROR:INSERT is illegal on emp.CONTEXT:PL/pgSQL function process_emp_audit()line 12 at RAISE testdb=>ALTER TRIGGER emp_audit DISABLE;ALTER TRIGGER testdb=>insert into emp values(1,'Alice');INSERT 0 1 testdb=>ALTER TRIGGER ...
DBMS_OUTPUT.PUT_LINE('City/State/Zip:'|v_emp.addr.city|','|v_emp.addr.state|' '|LPAD(v_emp.addr.zip,5,'0'));END;下面是此匿名块的输出：Employee No:9001 Name:JONES Street:123 MAIN STREET City/State/Zip:EDISON,NJ 08817 方法的...
Create the 'emp' table-CREATE TABLE emp(empno NUMBER(4)NOT NULL CONSTRAINT emp_pk PRIMARY KEY,ename VARCHAR2(10),job VARCHAR2(9),mgr NUMBER(4),hiredate DATE,sal NUMBER(7,2)CONSTRAINT emp_sal_ck CHECK(sal>0),comm NUMBER(7,2...
CREATE OR REPLACE PROCEDURE emp_sal_query(p_empno IN emp.empno%TYPE)IS r_emp emp%ROWTYPE;v_avgsal emp.sal%TYPE;BEGIN SELECT*INTO r_emp FROM emp WHERE empno=p_empno;DBMS_OUTPUT.PUT_LINE('Employee#:'|p_empno);DBMS_OUTPUT.PUT...
CREATE OR REPLACE PROCEDURE emp_by_dept(p_deptno emp.deptno%TYPE)IS emp_refcur SYS_REFCURSOR;v_empno emp.empno%TYPE;v_ename emp.ename%TYPE;BEGIN OPEN emp_refcur FOR SELECT empno,ename FROM emp WHERE deptno=p_deptno;DBMS_...
BEGIN v_emp:=emp_obj_type(9001,'JONES',addr_obj_type('123 MAIN STREET','EDISON','NJ',08817));END;该变量(v_emp)将使用先前定义的名为EMP_OBJ_TYPE的对象类型进行声明。块的主体使用emp_obj_type和addr_obj_type构造函数初始化该变量...
以下示例说明了 CLOSE 语句的用法：CREATE OR REPLACE PROCEDURE cursor_example IS v_emp_rec emp%ROWTYPE;CURSOR emp_cur_1 IS SELECT*FROM emp;BEGIN OPEN emp_cur_1;FETCH emp_cur_1 INTO v_emp_rec;DBMS_OUTPUT.PUT_LINE('Employee ...
将注释附加到emp表的empno列：COMMENT ON COLUMN emp.empno IS 'Employee identification number';删除这些注释：COMMENT ON TABLE emp IS '';COMMENT ON COLUMN emp.empno IS '';查看emp表的注释：\dt+emp;查看emp表中的列的注释：\d+emp;
这将通过以下查询实现：SELECT emp.ename,emp.sal,dept.deptno,dept.dname,dept.loc FROM emp,dept WHERE emp.deptno=dept.deptno;ename|sal|deptno|dname|loc-+-+-+-+-MILLER|1300.00|10|ACCOUNTING|NEW YORK CLARK|2450.00|10|ACCOUNTING...
修改后的 emp 表如下所示：CREATE TABLE emp(empno NUMBER(4)NOT NULL CONSTRAINT emp_pk PRIMARY KEY,ename VARCHAR2(10),job VARCHAR2(9),mgr NUMBER(4),hiredate DATE,sal NUMBER(7,2),comm NUMBER(7,2),deptno NUMBER(2)CONSTRAINT emp...
CREATE TRIGGER emp_audit INSTEAD OF INSERT OR UPDATE OR DELETE ON emp_view FOR EACH ROW BEGIN-执行 emp 上所要求的操作，并且在 emp_audit 中创建一行来反映对 emp 的改变。IF(TG_OP='DELETE')THEN DELETE FROM emp WHERE empname=...
CURSOR emp_cursor IS SELECT empno,ename,deptno FROM emp;BEGIN OPEN emp_cursor;DBMS_OUTPUT.PUT_LINE('EMPNO ENAME DEPTNO DNAME');DBMS_OUTPUT.PUT_LINE('-');LOOP FETCH emp_cursor INTO v_empno,v_ename,v_deptno;EXIT WHEN emp_...
Package body for the 'emp_admin' package.-CREATE OR REPLACE PACKAGE BODY emp_admin IS-Function that queries the 'dept' table based on the department-number and returns the corresponding department name.-FUNCTION get_dept_...
CURSOR emp_cursor IS SELECT empno,comm FROM emp;BEGIN OPEN emp_cursor;DBMS_OUTPUT.PUT_LINE('EMPNO COMM');DBMS_OUTPUT.PUT_LINE('-');LOOP FETCH emp_cursor INTO v_empno,v_comm;EXIT WHEN emp_cursor%NOTFOUND;Test whether or not...
CREATE OR REPLACE PROCEDURE emp_by_dept(p_deptno emp.deptno%TYPE)IS emp_refcur SYS_REFCURSOR;v_empno emp.empno%TYPE;v_ename emp.ename%TYPE;BEGIN OPEN emp_refcur FOR SELECT empno,ename FROM emp WHERE deptno=p_deptno;DBMS_...
CURSOR emp_cursor IS SELECT empno,ename,deptno FROM emp;BEGIN OPEN emp_cursor;DBMS_OUTPUT.PUT_LINE('EMPNO ENAME DEPTNO DNAME '|' LOC');DBMS_OUTPUT.PUT_LINE('-'|'-');LOOP FETCH emp_cursor INTO v_empno,v_ename,v_deptno;EXIT ...
CREATE OR REPLACE PROCEDURE verify_emp(p_empno NUMBER)IS v_ename emp.ename%TYPE;v_job emp.job%TYPE;v_hiredate emp.hiredate%TYPE;BEGIN SELECT ename,job,hiredate INTO v_ename,v_job,v_hiredate FROM emp WHERE empno=p_empno;IF ...
CREATE OR REPLACE PROCEDURE emp_insert(p_empno IN emp.empno%TYPE,p_ename IN emp.ename%TYPE,p_job IN emp.job%TYPE,p_mgr IN emp.mgr%TYPE,p_hiredate IN emp.hiredate%TYPE,p_sal IN emp.sal%TYPE,p_comm IN emp.comm%TYPE,p_deptno ...
CREATE OR REPLACE PROCEDURE emp_insert(p_empno IN emp.empno%TYPE,p_ename IN emp.ename%TYPE,p_job IN emp.job%TYPE,p_mgr IN emp.mgr%TYPE,p_hiredate IN emp.hiredate%TYPE,p_sal IN emp.sal%TYPE,p_comm IN emp.comm%TYPE,p_deptno ...
QUERY PLAN-Merge Join(cost=4.17.13.11 rows=13 width=22)Merge Cond:(a.mgr=emp.empno)->Sort(cost=1.41.1.44 rows=14 width=16)Sort Key:a.mgr->Seq Scan on emp a(cost=0.00.1.14 rows=14 width=16)->Index Scan using emp_pk on emp...
QUERY PLAN-Merge Join(cost=4.17.13.11 rows=13 width=22)Merge Cond:(a.mgr=emp.empno)->Sort(cost=1.41.1.44 rows=14 width=16)Sort Key:a.mgr->Seq Scan on emp a(cost=0.00.1.14 rows=14 width=16)->Index Scan using emp_pk on emp...
CURSOR emp_cursor IS SELECT empno,comm FROM emp;BEGIN OPEN emp_cursor;DBMS_OUTPUT.PUT_LINE('EMPNO COMM');DBMS_OUTPUT.PUT_LINE('-');LOOP FETCH emp_cursor INTO v_empno,v_comm;EXIT WHEN emp_cursor%NOTFOUND;Test whether or not...
以下代码示例是包规格：Package specification for the 'emp_admin' package.-CREATE OR REPLACE PACKAGE emp_admin IS FUNCTION get_dept_name(p_deptno NUMBER DEFAULT 10)RETURN VARCHAR2;FUNCTION update_emp_sal(p_empno NUMBER,p_...
下面是游标声明的一些示例：CREATE OR REPLACE PROCEDURE cursor_example IS CURSOR emp_cur_1 IS SELECT*FROM emp;CURSOR emp_cur_2 IS SELECT empno,ename FROM emp;CURSOR emp_cur_3 IS SELECT empno,ename FROM emp WHERE deptno=10 ...
FOR j IN 1.10 LOOP DBMS_OUTPUT.PUT_LINE(emp_tbl(j).empno|' '|emp_tbl(j).ename);END LOOP;END;请注意创建一个空表，其中构造函数emp_tbl_typ()作为匿名块的可执行部分中的第一个语句。然后使用EXTEND集合方法针对从结果集返回的每个...
CREATE OR REPLACE PROCEDURE emp_job(p_empno IN OUT emp.empno%TYPE,p_ename IN OUT emp.ename%TYPE,p_job OUT emp.job%TYPE)IS v_empno emp.empno%TYPE;v_ename emp.ename%TYPE;v_job emp.job%TYPE;BEGIN SELECT ename,job INTO v_ename...
DEPENDENCIES ON public.EMP-*TABLE public.EMP()*CONSTRAINT c public.emp()*CONSTRAINT f public.emp()*CONSTRAINT p public.emp()*TYPE public.emp()*CONSTRAINT c public.emp()*CONSTRAINT f public.jobhist()*VIEW.empname_view()GET_...
SELECT emp.`JOB`,MIN(emp.sal)AS sal FROM `emp` GROUP BY emp.`JOB` HAVING MIN(emp.sal)>1500;返回结果：+-+-+|job|sal|+-+-+|MANAGER|2450.0|ANALYST|3000.0|PRESIDENT|5000.0|+-+-+示例5：查询在每个部门工作的员工数量、平均工资和...
CREATE OR REPLACE PROCEDURE emp_sal_query(p_empno IN emp.empno%TYPE)IS v_ename emp.ename%TYPE;v_job emp.job%TYPE;v_hiredate emp.hiredate%TYPE;v_sal emp.sal%TYPE;v_deptno emp.deptno%TYPE;v_avgsal v_sal%TYPE;BEGIN SELECT ...