该特性为分析 SQL 语句以提高性能和进行调优提供了便利。
This feature allows for easy analysis of SQL statements for performance and tuning purposes.
它分析sql语句并确定可以满足每条语句的最有效的存取路径(请参阅图1)。
It analyzes SQL statements and determines the most efficient access path available for satisfying each statement (see Figure 1).
例如，您可能很少被要求分析sql语句的访问计划。
For instance, you may rarely, if ever, be required to analyze the access plans for SQL statements.
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