FUNCTION get_name(p_empno IN VARCHAR2) RETURN ps_employee.name%type IS retval ps_employee.name%type; CURSOR csr_emp IS SELECT name FROM ps_employee WHERE empno = p_empno; BEGIN OPEN csr_emp; FETCH csr_emp INTO retval; CLOSE csr_emp; RETURN retval; END; procedure show_name(p_empno ...
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...
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cursor,她的作用域是全局的,但也必须明白,静态cursor也只有pl/sql代码才可以使用她。下面看一个简单的静态显式cursor的示例: declare cursorget_gsmno_cur (p_nettypeinvarchar2)is selectgsmno fromgsm_resource wherenettype=p_nettypeandstatus='...
This example demonstrates how to define and open a REF CURSOR variable, and then pass it as a procedure parameter. The cursor variable is specified as an IN OUT parameter so that the result set is made available to the caller of the procedure: CREATE OR REPLACE PROCEDURE emp_by_job ( p_...
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...
procedure close_cursor(c in out integer);关闭一个动态游标,参数为open_cursor所打开的游标; procedure parse(c in integer, statement in varchar2, language_flag in integer):对动态游标所提供的sql语句进行解析,参数C表示游标,statement为sql语句,language-flag为解析sql语句所用oracle版本,一般有V6,V7跟native...
Enclosing is the PL/SQL Code. CREATE PROCEDURE get_avg_lm_data3(IN p_start_date date, IN p_end_date date, IN p_db_name VARCHAR(50)) BEGIN DECLARE v_sw INT; DECLARE v_ew INT; DECLARE v_sy INT; DECLARE v_ey INT; DECLARE v_wcnt INT; ...
Oracle/PLSQL: Procedure that outputs a dynamic PLSQL cursor Question: In Oracle, I have a table called "wine" and a stored procedure that outputs a cursor based on the "wine" tabl ...
CREATEORREPLACEPROCEDUREshow_number_values(table_inINVARCHAR2,column_inINVARCHAR2,where_inINVARCHAR2)ISTYPEvalues_tISTABLEOFNUMBER;l_values values_t;BEGINEXECUTEIMMEDIATE'SELECT '||column_in||' FROM '||table_in||' WHERE '||where_inBULKCOLLECTINTOl_values;FORindxIN1..l_values.COUNTLOOPDBMS_OU...
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 ...