SQL 性能健康检查脚本 (SQLHC) (Doc ID 1626277.1)

SQLHC一共有3个脚本：sqlhc.sql 和 sqldx.sql 和 sqlhcxec.sql

 

把这三个脚本放在同一个目录中：

然后就可以在sqlplus里边执行：SQL> START H:\test_a\sqlhc.sql T 51x6yr9ym5hdc

生成出来的文件是存放在 进入sqlplus 之前所在的os目录下。

下面是sqlhc.sql脚本的说明部分，摘录出来。

 

REM $Header: 1366133.1 sqlhc.sql 12.1.08 2014/04/18 carlos.sierra mauro.pagano $
REM
REM Copyright (c) 2000-2013, Oracle Corporation. All rights reserved.
REM
REM AUTHOR
REM   [email protected]
REM   [email protected]
REM
REM SCRIPT
REM   sqlhc.sql SQL Health-Check (extract mode)
REM
REM DESCRIPTION
REM   Produces an HTML report with a list of observations based on
REM   health-checks performed in and around a SQL statement that
REM   may be performing poorly.
REM
REM   Inputs a memory-resident SQL_ID.
REM
REM   In addition to the health_check report, it generates some
REM   additional diagnostics files regarding SQL performance.
REM
REM   This script does not install any objects in the database.
REM   It does not perform any DDL commands.
REM   It only performs DML commands against the PLAN_TABLE then it
REM   rolls back those temporary inserts.
REM   It can be used in Dataguard or any read-only database.
REM
REM PRE-REQUISITES
REM   1. Execute as SYS or user with DBA role or user with access
REM      to data dictionary views.
REM   2. The SQL for which this script is executed must be
REM      memory-resident.
REM
REM PARAMETERS
REM   1. Oracle Pack license (Tuning or Diagnostics or None) T|D|N
REM   2. SQL_ID of interest.
REM
REM EXECUTION
REM   1. Start SQL*Plus connecting as SYS or user with DBA role or
REM      user with access to data dictionary views.
REM   2. Execute script sqlhc.sql passing values for parameters.
REM
REM EXAMPLE
REM   # sqlplus / as sysdba
REM   SQL> START [path]sqlhc.sql [T|D|N] [SQL_ID]
REM   SQL> START sqlhc.sql T 51x6yr9ym5hdc
REM
REM NOTES
REM   1. For possible errors see sqlhc.log.
REM   2. If site has both Tuning and Diagnostics licenses then
REM      specified T (Oracle Tuning pack includes Oracle Diagnostics)
REM   3. On a read-only instance, the "Observations" section with the
REM      results of the health-checks will be missing.