The reading and writing on database with standard SQL sentence and JDBC API can be made.
使用标准的SQL语句和JDBCAPI来完成对数据库进行读取和写入操作。
The operation efficiency of SQL sentence is very important for improving the answer speed, decreasing network flow and improving work efficiency.
SQL语句的执行效率对于提高应用系统的响应速度，减少网络流量，提高工作效率具有很重要的作用。
To map the TestTableName attribute, use the WebSphere property called PreTest SQL string, where you can set an SQL sentence to test each JDBC connection.
要映射TestTableName属性，请使用名称为PreTestSQL字符串的WebSphere属性，在这里您可以设置一条 SQL语句来测试每个JDBC连接。
The structure of middle language is designed, the change from middle language to SQL sentence is researched, the algorithm is given and the test is done.
设计了中间语言的结构，研究了这种中间语言到SQL语句的转换，给出了相应的转换算法，并对算法进行了测试。
This paper mainly discussed the database inquiry optimization, includes the optimization based on index, optimization based on SQL sentence and a few other optimization methods.
本文主要探讨了数据库查询优化的策略，其中包括基于索引的优化、基于SQL语句的优化和一些其它优化方法。
Based on the analysis to several usual operations in data base application system, the optimized strategy on how to construct SQL sentence to improve operation speed is studied in this paper.
本文通过分析数据库应用系统中常见的几种运算，提出了如何构建SQL语句，才能达到运算的优化，提高系统运行速度。
The query tool is an assistant tool of the database manager, and it can define a query sentence accord with SQL standard.
查询工具是数据库管理器的一个辅助工具，它作用就是定义一条符合SQL标准的查询语句。
Equally, user can also input SQL inquire the sentence and look over that these are inquired about and operate the tabular data produced .
同样，用户还可以输入SQL查询语句并查看这些查询操作产生的列表数据。
Equally, user can also input SQL inquire the sentence and look over that these are inquired about and operate the tabular data produced .
同样，用户还可以输入SQL查询语句并查看这些查询操作产生的列表数据。
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