OracleTututorial.com website provides Developers and Database Administrators with the updated Oracle tutorials, scripts, and tips. Latest Tutorials Oracle DEFAULT Constraint Oracle Rename Column Oracle Implicit Statement Results Calling PL/SQL Stored Functions in Python Calling PL/SQL Procedures in Python...
Example - Advanced Operators For the more advanced comparison operators, we've written specific tutorials to discuss each one individually. These topics will be covered later, or you can jump to one of these tutorials now. IN ( ) NOT BETWEEN IS NULL IS NOT NULL LIKE REGEXP_LIKE EXISTS...
PL/SQL 编译器增强功能PL/SQL 编译器在 Oracle 数据库 10g 中获得了显著改进。重新设计了后端代码生成器。此外,还引入了新参数 PLSQL_OPTIMIZE_LEVEL 来加快 PL/SQL 代码的执行。这是纯编译(从 Oracle9i 起提供)以外的一个新特性。PLSQL_OPTIMIZE_LEVEL 参数默认值当前为“2”。
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数据库oracle及工具PLSQL安装 数据库 关系型数据库: 关系型数据库:表之间有关联关系,适合存放大量的数据,但是查询效率低,(数据库的数据是以文件的形式存放在硬盘上) 主要有oracle、mysql、sql sever、DB2 非关系型数据库: 不存在表之间的关联。其实这种数据库存放的是一个一个孤立的数据, 非关系型数据库数据有...
The debugging UI gives you the ability to single step, step into, and step over PL/SQL objects as well as the ability to set PL/SQL expressions in the Watch and Inspector windows, set conditional breakpoints, and view collection data....
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SQL Snippets ™: Tutorials for Oracle Developers Sample Code for Real Life Welcome to SQL Snippets ™, a place where Oracle developers can find free tutorials on common coding topics. Each topic is packed with lots of "snippets" (bits of sample code) that quickly and clearly demonstrate ho...
菜单【Quick SQL】可以通过缩略的SQL语法生成SQL语句。具体的缩略的SQL语法可参考【Quick SQL Samples】子页面。4. My Scripts 【My Scripts】是自己脚本的页面，既可以把执行过的内容保存为脚本，也可以通过上传功能把自己本地的脚本上传到该环境中，方便使用。5. My Tutorials 【My Tutorials】用户记录自己的学习过...
Oracle Tutorials, Articles, eBooks, Tools & Tips (1 user browsing) This page presents a list of completely FREE Oracle Training Documents / tutorials on a variety of Oracle products and technologies. Each tutorial is a self-contained and presented/shared by our different oracle professionals. ...