http://plsql-tutorial.com/plsql-procedures.htm What is PL/SQL? PL/SQL stands for Procedural Language extension of SQL. PL/SQL is a combination of SQL along with the procedural features of programming languages. A Simple PL/SQL Block: Each PL/SQL prog…
PL/SQL程序设计简介 一.什么是PL/SQL? PL/SQL是 Procedure Language & Structured Query Language 的缩写. ORACLE的SQL是支持ANSI(American national Standards Institute)和ISO92 (International Standards Organization)标准的产品.PL/SQL是对SQL语言存储过程语言的扩展.从ORACLE6以后,ORACLE的RDBMS附带了PL/SQL.它…
This article gives you all the information you need in order to begin working with numbers in your PL/SQL programs. Numbers in PL/SQL PL/SQL offers a variety of numeric datatypes to suit different purposes: NUMBER. A true decimal datatype that is ide…