create or replace package user_info_test is CURSOR CUR_USERS_P(I_USER_NAME IN VARCHAR2) return ma_users%rowtype; end user_info_test; / create or replace package body user_info_test is CURSOR CUR_USERS_P(I_USER_NAME IN VARCHAR2) return ma_users%rowtype IS SELECT * FROM MA_USERS W...
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...
procedure 返回游标在 PostgreSQL 或者 MogDB(openGauss)数据库里有一点差异:主要是 escapeSyntaxCallMode 参数。 PostgreSQL procedure 返回游标的 jdbc 代码跟上面 function 测试类似: publicstaticvoidmain(String[] args)throwsException{ Class.forName("org.postgresql.Driver");Connectionconn=DriverManager.getConnection(...
/ 在PL/SQL中run:Sql代码 SQL> the policyisupdated failed.PL/SQLproceduresuccessfully completed ...
Postgresql游标使用介绍(cursor) 下面介绍了三种游标声明的方式,分别给出了三种游标的Open方式,主要区别就是 有没有绑定SQL:curs1 refcursor; 和 curs2 CURSOR FOR SELECT c1 FROM...tf1; 有没有绑定值:curs3 CURSOR (key integer) FOR SELECT * FROM tf1 WHERE c1 > key; 如果绑定SQL了,可以直接Open开始使...
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PL/SQL procedure successfully completed static cursor与ref cursor还存在下面一些区别: 1)PL/SQL静态光标不能返回到客户端,只有PL/SQL才能利用它。ref光标能够被返回到客户端,这就是从Oracle的存储过程返回结果集的方式。 2)PL/SQL静态光标可以是全局的,而ref光标则不是。 也就是说,不能在包说明或包体中的过程...
The PostgreSQL database management system supports multidimensional fields, but SQLSELECTstatements fail when retrieving these fields unless you specify an index. Some databases require that you include a symbol, such as#, before and after a date in a query, as follows: ...
postgresql.org/docs/current/plpgsql-cursors.html43.7. Cursors43.7. Cursorswww.postgresql.org/...
CLOSEcursor_name;Code language:PostgreSQL SQL dialect and PL/pgSQL(pgsql) Closing a cursor instructs Oracle to release allocated memory at an appropriate time. If you declare a cursor in ananonymous block,procedure, orfunction, the cursor will automatically be closed when the execution of these ...