PL/SQL procedure successfully completed SQL> select * from zrp; STR --- updateD ABCXEFG ABCYEFG updateD ABCZEFG 0000000 6 rows selected SQL> 隐式cursor示例二: begin for rec in (select gsmno,status from gsm_resource) loop dbms_output.put_line(rec.gsmno||'--'||rec.status); end loop...
createorreplaceprocedureget_book_pro ( i_idnumber, o_bookname out types.ref_cursor ) as begin openo_booknameforselect*frombookwhereid=i_id; endget_book_pro; oracle 函数: createorreplacefunctionget_book_func ( i_idinnumber ) returntypes.ref_cursor as o_bookname types.ref_cursor; begin ...
就会报invalid_cursor异常 /* if cur_users%found then dbms_output.put_line('更新积分'); end if; */ for v in cur_users loop update ma_users t set t.user_point = 1000 where t.id_ma_users =
PL/SQL procedure successfully completed SQL> select * from zrp; STR --- updateD ABCXEFG ABCYEFG updateD ABCZEFG 0000000 6 rows selected SQL> 隐式cursor演示样例二: begin for rec in (select gsmno,status from gsm_resource) loop dbms_output.put_line(rec.gsmno||'--'||rec.status); end ...
PL/SQL procedure successfully completed SQL> select * from zrp; STR --- updateD ABCXEFG ABCYEFG updateD ABCZEFG 0000000 6 rows selected SQL> 隐式cursor示例二: begin for rec in (select gsmno,status from gsm_resource) loop dbms_output...
显式cursor 显式是相对与隐式cursor而言的，就是有一个明确的声明的cursor.显式游标的声明类似如下（详细的语法参加plsql ref doc ）cursor cursor_name (parameter list) is select ...游标从declare、open、fetch、close是一个完整的生命旅程。当然了一个这样的游标是可以被多次open进行使用的，显式cursor是静态...
create or replace procedure db.PROC_FIRST(FLAG OUT INTERGER, T_DATE IN VARCHAR2) AS varno varchar2(20); varprice varchar2(20); CURSOR mycur(vartype number) is select emp_no,emp_zc from cus_emp_basic where com_no = vartype;
PL/SQL procedure successfully completed. SQL> edit DECLARE CURSORc_emp_cursor IS SELECTemployee_id, last_name FROM employees WHEREdepartment_id = 30; v_emp_recordc_emp_cursor%ROWTYPE; BEGIN OPEN c_emp_cursor; LOOP FETCHc_emp_cursor
SQL> the policyisupdated failed. PL/SQLproceduresuccessfully completed 2. 显式Cursor: (1) 对于从数据库中提取多行数据,就需要使用显式Cursor。显式Cursor的属性包含: 游标的属性 返回值类型 意 义 %ROWCOUNT 整型 获得FETCH语句返回的数据行数 %FOUND 布尔型 最近的FETCH语句返回一行数据则为真,否则为假 ...
PROCEDURE "GETCURSORS" ( "DEP_ID" IN NUMBER, "EMPLOYEES_C" OUT SYS_REFCURSOR, "DEPENDENTS_C" OUT SYS_REFCURSOR); END "HR_DATA"; CREATE PACKAGE BODY "HR"."HR_DATA" IS -- Implement subprograms, initialize variables declared in package -- specification. -- Make private declarations of ...