To show SQL statements in PHP, use the echo function for each statement.
要在PHP中显示sql语句，需要对每条语句使用echo函数。
It reads the SQL statements executed from the event monitor tables and runs the Explain utility for each statement to generate the corresponding access plan.
它将读取从事件监控器表执行的sql语句，然后对每个语句运行Explain实用程序以生成对应的访问计划。
Setting the AUTOTRACE option ON will enable the display of explain and statistics information for each statement executed in that session along with query results, until the AUTOTRACE is disabled.
将AUTOTRACE选项设置为ON 将允许显示该会话中执行的每条语句的说明和统计信息，以及查询结果，直至 AUTOTRACE 被禁用。
Setting the AUTOTRACE option ON will enable the display of explain and statistics information for each statement executed in that session along with query results, until the AUTOTRACE is disabled.
将AUTOTRACE选项设置为ON 将允许显示该会话中执行的每条语句的说明和统计信息，以及查询结果，直至 AUTOTRACE 被禁用。
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