OPENcursor_name;Code language:PostgreSQL SQL dialect and PL/pgSQL(pgsql) In this syntax,cursor_nameis the name of the cursor you declare in the declaration section. When you open a cursor, Oracle parses the query, binds variables, and executes the associated SQL statement. Oracle also determ...
A cursor is a SELECT statement that is defined within the declaration section of your PLSQL code. We'll take a look at three different syntaxes for cursors. Cursor without parameters (simplest) The basic syntax for a cursor without parameters is: CURSOR cursor_name IS SELECT_statement; For ...
光标:oracle学习PL/SQL基础之光标cursor使用 本文将介绍光标语法、光标属性之一。然后怎么使用光标。然后来个小实例。 光标 语法: Cursor 光标名[(参数名 数据类型[,参数2数据类型2]...)] IS select 语句; 使用步骤: 1.定义光标:cursor Cursor c1 is select ename from emp; 2.打开光标:open Open c1;(打开...
この項では、PL/SQLストアド・プロシージャの作成方法を説明します。 ストアド・プロシージャを作成するには、次の手順を実行します。 Server Explorerを開いてHRをダブルクリックし、「Oracle Databaseへの接続」で作成したHRスキーマへの接続をオープンします。 connect_se.gifの説明 以前に...
oracle_plsql_cursor使用 下载积分: 1000 内容提示: When Oracle Database executes a SQL statement, it stores the result set and processing information in an unnamedprivate SQL area. A pointer to this unnamed area, called acursor, lets youretrieve the rows of the result set one at a time.C...
greenZ 【oracle】plsql:cursor 概念,经典例子 1118-01 cursor 概念,经典例子 类型 1.隐式游标 2.显式游标 3.ref cursor 4.sysref cursor 定义 1.隐式游标 无需定义,select语句即为隐式游标 2.显式游标 cursor <cursor>[()]is ; 说明: 2.1 定义时不带参数,带...
oracle.javatools.parser.plsql.data Interface PlsqlCursor All Superinterfaces: PlsqlHasFormals,PlsqlHasName,PlsqlNode All Known Implementing Classes: PtnodCursor public interfacePlsqlCursorextendsPlsqlNode,PlsqlHasName,PlsqlHasFormals A plsql cursor declaration. Syntax is "CURSOR TYPE nam...
The following illustrates the syntax of the cursorFOR LOOPstatement: FORrecordINcursor_nameLOOPprocess_record_statements;ENDLOOP;Code language:PostgreSQL SQL dialect and PL/pgSQL(pgsql) 1) record Therecordis the name of the index that the cursorFOR LOOPstatement declares implicitly as a%ROWTYPEreco...
DECLARE v_empno emp.empno%TYPE; v_ename emp.ename%TYPE; CURSOR emp_cursor (p_deptno NUMBER,p_job VARCHAR2) IS SELECT empno,ename FROM emp WHERE deptno=p_deptno AND JOB=p_job; emp_record emp_cursor%ROWTYPE; BEGIN LOOP IF NOT emp_cursor%ISOPEN THEN ...
PLSQL中对cursor 使用的小例子 开始 SETSERVEROUTPUTON;DECLAREv_empno emp.empno%TYPE; v_ename emp.ename%TYPE;CURSORemp_cursorISSELECTempno,enamefromempwhereempno<>1000;BEGINLOOPIFNOTemp_cursor%ISOPENTHENOPENemp_cursor;ENDIF;FETCHemp_cursorINTOv_empno,v_ename;EXITWHENemp_cursor%NOTFOUND;...