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 ...

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 neither the fastest nor the most elegant way to talk to databases, but it is the best way we have. Here’s why Today, Structured Query Language is the standard means of manipulating and querying ...

日常工作中经常会用到分布式数据库查询，即通过 DBLINK 同时查询本地表和远程表。分布式查询一般有两种处理方式：一种将远程表数据取回本地，然后和本地表关联查询，获取最终结果；另一种将本地表数据传到远程和远程表关联查询后，再将关联结果取回。

1 什么是动态SQL(Dynamic SQL)动态SQL使你在运行时，以字符串的形式构造SQL语句。这些语句包含在PL/SQL块中，并且常常包含占位符 ...