ORACLE PL/SQL 筆記 PL/SQL是ORACLE延伸SQL-92後使用於ORACLE DATABASE的SQL。增加了流程控制的語法。 PL/SQL與TRANSACT SQL 比較 區塊表示BEGIN … END;/ ORACLE MS SQL 必須置於 BEGIN ... END;/ 區塊間 每一指令必須以分號;結尾 SET SERVEROUTPUT ...
Oracle/PLSQL: SELECT FOR UPDATE Statement Learn how to use the Oracle/PLSQL SELECT FOR UPDATE statement with syntax and examples. The SELECT FOR ...
PL/SQL Tutorial - PL/SQL Cursors. What are cursors. What are implicit cursors and explicit cursors in PL/SQL. How to use implicit cursor attributes. ... Return Value Example %FOUND The return value is TRUE, if the DML statements like INSERT, DELETE and UPDATE affect at least one row ...
Oracle/PLSQL: SELECT FOR UPDATE Statement This Oracle tutorial explains how to use the Oracle/PLSQL SELECT FOR UPDATE statement with syntax and examples. The SELECT FOR UPDATE statement ...
[Chapter 6] 6.11 SELECT FOR UPDATE in Cursors Oracle offers the FOR UPDATE clause of the SELECT statement to perform this ... Finally, you can append the optional keyword NOWAIT to the FOR UPDATE ...
Oracle/PLSQL: WHERE CURRENT OF Statement If you plan on updating or deleting records that have been referenced by a Select For Update statement, you can use the Where Current Of statement. ... The syntax for the WHERE CURRENT OF statement in Oracle/PLSQL is either: UPDATE ...
PLSQL 101: Working with Cursors - Oracle Part 12 in a series of articles on understanding and using PL/SQL. ... processing of a SELECT or data manipulation language (DML) statement (INSERT, UPDATE , ... SELECT-INTO offers the fastest and simplest way to fetch a single row from a ...
PL/SQL: Cursor for Update Example - René Nyffenegger on Oracle declare cursor cur is select id_num, txt_num, id_lang, txt_lang, txt_trans from numbers_en join ...
Cursor for Update « Cursor « Oracle PL/SQL Tutorial Cursor for Update « Cursor « Oracle PL/SQL Tutorial ... Oracle PL/SQL Tutorial » Cursor » Cursor for ...
Oracle/PLSQL: Cursor FOR Loop - TechOnTheNet.com The syntax for the CURSOR FOR LOOP in Oracle/ PLSQL is: FOR record_index in cursor_name LOOP ...