When you write SQL statements that access DB2 data, be sure to follow these three guidelines for coding SQL for performance.
当您编写访问DB2数据的sql语句时,要确保遵循以下三个编码s QL的准则以获得最佳性能。
You'll also need to learn how best to write these SQL statements, and how to discover the access paths DB2 chose to satisfy your SQL requests.
您还需要学习如何最好地编写这些 SQL 语句以及如何发现 DB2 选择的存取路径来满足您的 SQL 请求。
You need to comply with SQL coding standards and guidelines when you write your SQL statements.
当您编写sql语句的时候,需要符合SQL编码标准和指导原则。
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