在数据库国产化替代的实践中,兼容性是被企业提及最多的关键词,也是最容易出问题的环节。许多企业在选型阶段看到”高度兼容”的宣传,便认为迁移工作可以轻松完成,结果在实施阶段才发现存储过程需要逐一改写、特有语法不支持、系统包函数缺失,导致工期延误和成本超支 ...
PL/SQL stands for Procedural Language extension of SQL. PL/SQL is a combination of SQL along with the procedural features of programming languages. It was developed by Oracle Corporation in the early ...