Abstract: Code Smell can be defined as any feature in the source code of a software that may indicate possible problems. In database languages, the term Bad Smell has been used as a generalization of ...
PL/SQL Unwrapper for SQL Developer is a free extension to unwrap PL/SQL code wrapped with the wrap utility of the Oracle Database Server version 10g, 11g, 12c, 18c or 19c. Open a wrapped PL/SQL unit ...
These settings have been defined and tested with the product versions mentioned above. They might not work in other versions. Please note, that these settings cannot ...
SQL is a conventional database the language that is used to maintain, create and recover the relational database whereas PL/SQL, Procedural Language extension to SQL, it prolongs SQL and provides ...
洪烨,openGauss Contributor,多年银行业系统架构设计及DBA实战经验,《DB2数据库内部解析与性能调优》作者。 对于数据库兼容性来说,主要分为数据的兼容性以及应用的兼容性。数据库应用最核心的部分就是SQL语言。SQL语言是非过程化编程语言,主要分为数据查询 ...
在DM PL/SQL的使用过程中,如果我们想储存单个的数据,我们可以利用声明变量的方式来存储,如果我们想存储单行多列的数据,我们可以用到记录类型(record),如果我们想保存单列多行的数据,则可以利用集合类型的方式来存储。本文就将给大家介绍达梦数据 ...
旧题目有很多,我将来会选一些介绍过来。先从2011-10-05的题目开始吧: 这道题考察的是COLLECTION的知识,当你删除一个元素后,是否还能将其恢复,COUNT值又会如何变化?
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