求翻译：使用方便：通用的SQL语言使得操作关系型数据库非常方便，程序员甚至于数据管理员可以方便地在逻辑层面操作数据库，而完全不必理解其底层实现。是什么意思？

Easy to use: the common sql language makes relational database programmers and even data administrator can easily operate at the logical level database, but do not have to understand the underlying implementation.

Easy to use: the universal language for the operating of SQL relational database is very easy, the programr or even data administrator can easily manipulate the database logic level is, and do not have to understand its underlying implementation.

Easy to operate: The general SQL language causes the operation relations database to be extremely convenient, the programmer even data manager may conveniently in the logical stratification plane operation database, but definitely does not need to understand its first floor realization.

Easy to use: common SQL relational database language makes operation easy, programmers and even at the logical level administrators can easily manipulate database data, and you do not have to understand the underlying implementation.