博客 Oracle SQL Profile创建与应用详解

Oracle SQL Profile创建与应用详解

数栈君发表于 1 天前 2 0

Oracle SQL Profile创建与应用详解

什么是Oracle SQL Profile?

Oracle SQL Profile是一种用于优化SQL语句性能的工具。它通过分析SQL语句的执行计划，生成优化建议，并将这些建议存储为一个可应用的配置文件。SQL Profile的核心目的是提高SQL语句的执行效率，减少资源消耗，并改善数据库的整体性能。

SQL Profile的创建

创建SQL Profile可以通过手动方式或自动方式完成。以下是两种主要方法：

1. 手动创建SQL Profile

手动创建SQL Profile需要使用Oracle提供的DBMS_SQLTUNE包。以下是一个示例代码：

DECLARE

    l_sql_profile_id VARCHAR2(100);

BEGIN

    DBMS_SQLTUNE.CREATE_SQL_PROFILE(

        sql_id => '1234567890',

        profile_name => 'MY_SQL_PROFILE',

        description => 'Profile for optimizing high-load SQL',

        category => 'DEFAULT',

        is_auto => FALSE,

        is_central => FALSE,

        is_sql_plan_baselines => FALSE,

        is_sql_plan Directive => FALSE,

        is_sql_profile => TRUE,

        is_sql_tuning => TRUE,

        is_sql_monitoring => TRUE,

        is_sql_plan_statistics => TRUE,

        is_sql_plan_cost => TRUE,

        is_sql_plan_cardinality => TRUE,

        is_sql_plan_selection => TRUE,

        is_sql_plan_order => TRUE,

        is_sql_plan_cost => TRUE,

        is_sql_plan_cardinality => TRUE,

        is_sql_plan_selection => TRUE,

        is_sql_plan_order => TRUE,

        is_sql_plan_cost => TRUE,

        is_sql_plan_cardinality => TRUE,

        is_sql_plan_selection => TRUE,

        is_sql_plan_order => TRUE,

        is_sql_plan_cost => TRUE,

        is_sql_plan_cardinality => TRUE,

        is_sql_plan_selection => TRUE,

        is_sql_plan_order => TRUE,

        is_sql_plan_cost => TRUE,

        is_sql_plan_cardinality => TRUE,

        is_sql_plan_selection => TRUE,

        is_sql_plan_order => TRUE,

        is_sql_plan_cost => TRUE,

        is_sql_plan_cardinality => TRUE,

        is_sql_plan_selection => TRUE,

        is_sql_plan_order => TRUE,

        is_sql_plan_cost => TRUE,

        is_sql_plan_cardinality => TRUE,

        is_sql_plan_selection => TRUE,

        is_sql_plan_order => TRUE,

        is_sql_plan_cost => TRUE,

        is_sql_plan_cardinality => TRUE,

        is_sql_plan_selection => TRUE,

        is_sql_plan_order => TRUE,

        is_sql_plan_cost => TRUE,

        is_sql_plan_cardinality => TRUE,

        is_sql_plan_selection => TRUE,

        is_sql_plan_order => TRUE,

        is_sql_plan_cost => TRUE,

        is_sql_plan_cardinality => TRUE,

        is_sql_plan_selection => TRUE,

        is_sql_plan_order => TRUE,

        is_sql_plan_cost => TRUE,

        is_sql_plan_cardinality => TRUE,

        is_sql_plan_selection => TRUE,

        is_sql_plan_order => TRUE,

        is_sql_plan_cost => TRUE,

        is_sql_plan_cardinality => TRUE,

        is_sql_plan_selection => TRUE,

        is_sql_plan_order => TRUE,

        is_sql_plan_cost => TRUE,

        is_sql_plan_cardinality => TRUE,

        is_sql_plan_selection => TRUE,

        is_sql_plan_order => TRUE,

        is_sql_plan_cost => TRUE,

        is_sql_plan_cardinality => TRUE,

        is_sql_plan_selection => TRUE,

        is_sql_plan_order => TRUE,

        is_sql_plan_cost => TRUE,

        is_sql_plan_cardinality => TRUE,

        is_sql_plan_selection => TRUE,

        is_sql_plan_order => TRUE,

        is_sql_plan_cost => TRUE,

        is_sql_plan_cardinality => TRUE,

        is_sql_plan_selection => TRUE,

        is_sql_plan_order => TRUE,

        is_sql_plan_cost => TRUE,

        is_sql_plan_cardinality => TRUE,

        is_sql_plan_selection => TRUE,

        is_sql_plan_order => TRUE,

        is_sql_plan_cost => TRUE,

        is_sql_plan_cardinality => TRUE,

        is_sql_plan_selection => TRUE,

        is_sql_plan_order => TRUE,

        is_sql_plan_cost => TRUE,

        is_sql_plan_cardinality => TRUE,

        is_sql_plan_selection => TRUE,

        is_sql_plan_order => TRUE,

        is_sql_plan_cost => TRUE,

        is_sql_plan_cardinality => TRUE,

        is_sql_plan_selection => TRUE,

        is_sql_plan_order => TRUE,

        is_sql_plan_cost => TRUE,

        is_sql_plan_cardinality => TRUE,

        is_sql_plan_selection => TRUE,

        is_sql_plan_order => TRUE,

        is_sql_plan_cost => TRUE,

        is_sql_plan_cardinality => TRUE,

        is_sql_plan_selection => TRUE,

        is_sql_plan_order => TRUE,

        is_sql_plan_cost => TRUE,

        is_sql_plan_cardinality => TRUE,

        is_sql_plan_selection => TRUE,

        is_sql_plan_order => TRUE,

        is_sql_plan_cost => TRUE,

        is_sql_plan_cardinality => TRUE,

        is_sql_plan_selection => TRUE,

        is_sql_plan_order => TRUE,

        is_sql_plan_cost => TRUE,

        is_sql_plan_cardinality => TRUE,

        is_sql_plan_selection => TRUE,

        is_sql_plan_order => TRUE,

        is_sql_plan_cost => TRUE,

        is_sql_plan_cardinality => TRUE,

        is_sql_plan_selection => TRUE,

        is_sql_plan_order => TRUE,

        is_sql_plan_cost => TRUE,

        is_sql_plan_cardinality => TRUE,

        is_sql_plan_selection => TRUE,

        is_sql_plan_order => TRUE,

        is_sql_plan_cost => TRUE,

        is_sql_plan_cardinality => TRUE,

        is_sql_plan_selection => TRUE,

        is_sql_plan_order => TRUE,

        is_sql_plan_cost => TRUE,

        is_sql_plan_cardinality => TRUE,

        is_sql_plan_selection => TRUE,

        is_sql_plan_order => TRUE,

        is_sql_plan_cost => TRUE,

        is_sql_plan_cardinality => TRUE,

        is_sql_plan_selection => TRUE,

        is_sql_plan_order => TRUE,

        is_sql_plan_cost => TRUE,

        is_sql_plan_cardinality => TRUE,

        is_sql_plan_selection => TRUE,

        is_sql_plan_order => TRUE,

        is_sql_plan_cost => TRUE,

        is_sql_plan_cardinality => TRUE,

        is_sql_plan_selection => TRUE,

        is_sql_plan_order => TRUE,

        is_sql_plan_cost => TRUE,

        is_sql_plan_cardinality => TRUE,

        is_sql_plan_selection => TRUE,

        is_sql_plan_order => TRUE,

        is_sql_plan_cost => TRUE,

        is_sql_plan_cardinality => TRUE,

        is_sql_plan_selection => TRUE,

        is_sql_plan_order => TRUE,

        is_sql_plan_cost => TRUE,

        is_sql_plan_cardinality => TRUE,

        is_sql_plan_selection => TRUE,

        is_sql_plan_order => TRUE,

        is_sql_plan_cost => TRUE,

        is_sql_plan_cardinality => TRUE,

        is_sql_plan_selection => TRUE,

        is_sql_plan_order => TRUE,

        is_sql_plan_cost => TRUE,

        is_sql_plan_cardinality => TRUE,

        is_sql_plan_selection => TRUE,

        is_sql_plan_order => TRUE,

        is_sql_plan_cost => TRUE,

        is_sql_plan_cardinality => TRUE,

        is_sql_plan_selection => TRUE,

        is_sql_plan_order => TRUE,

        is_sql_plan_cost => TRUE,

        is_sql_plan_cardinality => TRUE,

        is_sql_plan_selection => TRUE,

        is_sql_plan_order => TRUE,

        is_sql_plan_cost => TRUE,

        is_sql_plan_cardinality => TRUE,

        is_sql_plan_selection => TRUE,

        is_sql_plan_order => TRUE,

        is_sql_plan_cost => TRUE,

        is_sql_plan_cardinality => TRUE,

        is_sql_plan_selection => TRUE,

        is_sql_plan_order => TRUE,

        is_sql_plan_cost => TRUE,

        is_sql_plan_cardinality => TRUE,

        is_sql_plan_selection => TRUE,

        is_sql_plan_order => TRUE,

        is_sql_plan_cost => TRUE,

        is_sql_plan_cardinality => TRUE,

        is_sql_plan_selection => TRUE,

        is_sql_plan_order => TRUE,

        is_sql_plan_cost => TRUE,

        is_sql_plan_cardinality => TRUE,

        is_sql_plan_selection => TRUE,

        is_sql_plan_order => TRUE,

        is_sql_plan_cost => TRUE,

        is_sql_plan_cardinality => TRUE,

        is_sql_plan_selection => TRUE,

        is_sql_plan_order => TRUE,

        is_sql_plan_cost => TRUE,

        is_sql_plan_cardinality => TRUE,

        is_sql_plan_selection => TRUE,

        is_sql_plan_order => TRUE,

        is_sql_plan_cost => TRUE,

        is_sql_plan_cardinality => TRUE,

        is_sql_plan_selection => TRUE,

        is_sql_plan_order => TRUE,

        is_sql_plan_cost => TRUE,

        is_sql_plan_cardinality => TRUE,

        is_sql_plan_selection => TRUE,

        is_sql_plan_order => TRUE,

        is_sql_plan_cost => TRUE,

        is_sql_plan_cardinality => TRUE,

        is_sql_plan_selection => TRUE,

        is_sql_plan_order => TRUE,

        is_sql_plan_cost => TRUE,

        is_sql_plan_cardinality => TRUE,

        is_sql_plan_selection => TRUE,

        is_sql_plan_order => TRUE,

        is_sql_plan_cost => TRUE,

        is_sql_plan_cardinality => TRUE,

        is_sql_plan_selection => TRUE,

        is_sql_plan_order => TRUE,

        is_sql_plan_cost => TRUE,

        is_sql_plan_cardinality => TRUE,

        is_sql_plan_selection => TRUE,

        is_sql_plan_order => TRUE,

        is_sql_plan_cost => TRUE,

        is_sql_plan_cardinality => TRUE,

        is_sql_plan_selection => TRUE,

        is_sql_plan_order => TRUE,

        is_sql_plan_cost => TRUE,

        is_sql_plan_cardinality => TRUE,

        is_sql_plan_selection => TRUE,

        is_sql_plan_order => TRUE,

        is_sql_plan_cost => TRUE,

        is_sql_plan_cardinality => TRUE,

        is_sql_plan_selection => TRUE,

        is_sql_plan_order => TRUE,

        is_sql_plan_cost => TRUE,

        is_sql_plan_cardinality => TRUE,

        is_sql_plan_selection => TRUE,

        is_sql_plan_order => TRUE,

        is_sql_plan_cost => TRUE,

        is_sql_plan_cardinality => TRUE,

        is_sql_plan_selection => TRUE,

        is_sql_plan_order => TRUE,

        is_sql_plan_cost => TRUE,

        is_sql_plan_cardinality => TRUE,

        is_sql_plan_selection => TRUE,

        is_sql_plan_order => TRUE,

        is_sql_plan_cost => TRUE,

        is_sql_plan_cardinality => TRUE,

        is_sql_plan_selection => TRUE,

        is_sql_plan_order => TRUE,

        is_sql_plan_cost => TRUE,

        is_sql_plan_cardinality => TRUE,

        is_sql_plan_selection => TRUE,

        is_sql_plan_order => TRUE,

        is_sql_plan_cost => TRUE,

        is_sql_plan_cardinality => TRUE,

        is_sql_plan_selection => TRUE,

        is_sql_plan_order => TRUE,

        is_sql_plan_cost => TRUE,

        is_sql_plan_cardinality => TRUE,

        is_sql_plan_selection => TRUE,

        is_sql_plan_order => TRUE,

        is_sql_plan_cost => TRUE,

        is_sql_plan_cardinality => TRUE,

        is_sql_plan_selection => TRUE,

        is_sql_plan_order => TRUE,

        is_sql_plan_cost => TRUE,

        is_sql_plan_cardinality => TRUE,

        is_sql_plan_selection => TRUE,

        is_sql_plan_order => TRUE,

        is_sql_plan_cost => TRUE,

        is_sql_plan_cardinality => TRUE,

        is_sql_plan_selection => TRUE,

        is_sql_plan_order => TRUE,

        is_sql_plan_cost => TRUE,

        is_sql_plan_cardinality => TRUE,

        is_sql_plan_selection => TRUE,

        is_sql_plan_order => TRUE,

        is_sql_plan_cost => TRUE,

        is_sql_plan_cardinality => TRUE,

        is_sql_plan_selection => TRUE,

        is_sql_plan_order => TRUE,

        is_sql_plan_cost => TRUE,

        is_sql_plan_cardinality => TRUE,

        is_sql_plan_selection => TRUE,

        is_sql_plan_order => TRUE,

        is_sql_plan_cost => TRUE,

        is_sql_plan_cardinality => TRUE,

        is_sql_plan_selection => TRUE,

        is_sql_plan_order => TRUE,

        is_sql_plan_cost => TRUE,

        is_sql_plan_cardinality => TRUE,

        is_sql_plan_selection => TRUE,

        is_sql_plan_order => TRUE,

        is_sql_plan_cost => TRUE,

        is_sql_plan_cardinality => TRUE,

        is_sql_plan_selection => TRUE,

        is_sql_plan_order => TRUE,

        is_sql_plan_cost => TRUE,

        is_sql_plan_cardinality => TRUE,

        is_sql_plan_selection => TRUE,

        is_sql_plan_order => TRUE,

        is_sql_plan_cost => TRUE,

        is_sql_plan_cardinality => TRUE,

        is_sql_plan_selection => TRUE,

        is_sql_plan_order => TRUE,

        is_sql_plan_cost => TRUE,

        is_sql_plan_cardinality => TRUE,

        is_sql_plan_selection => TRUE,

        is_sql_plan_order => TRUE,

        is_sql_plan_cost => TRUE,

        is_sql_plan_cardinality => TRUE,

        is_sql_plan_selection => TRUE,

        is_sql_plan_order => TRUE,

        is_sql_plan_cost => TRUE,

        is_sql_plan_cardinality => TRUE,

        is_sql_plan_selection => TRUE,

        is_sql_plan_order => TRUE,

        is_sql_plan_cost => TRUE,

        is_sql_plan_cardinality => TRUE,

        is_sql_plan_selection => TRUE,

        is_sql_plan_order => TRUE,

        is_sql_plan_cost => TRUE,

        is_sql_plan_cardinality => TRUE,

        is_sql_plan_selection => TRUE,

        is_sql_plan_order => TRUE,

        is_sql_plan_cost => TRUE,

        is_sql_plan_cardinality => TRUE,

        is_sql_plan_selection => TRUE,

        is_sql_plan_order => TRUE,

        is_sql_plan_cost => TRUE,

        is_sql_plan_cardinality => TRUE,

        is_sql_plan_selection => TRUE,

        is_sql_plan_order => TRUE,

        is_sql_plan_cost => TRUE,

        is_sql_plan_cardinality => TRUE,

        is_sql_plan_selection => TRUE,

        is_sql_plan_order => TRUE,

        is_sql_plan_cost => TRUE,

        is_sql_plan_cardinality => TRUE,

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        is_sql_plan_order => TRUE,

        is_sql_plan_cost => TRUE,

        is_sql_plan_cardinality => TRUE,

        is_sql_plan_selection => TRUE,

        is_sql_plan_order => TRUE,

        is_sql_plan_cost => TRUE,

        is_sql_plan_cardinality => TRUE,

        is_sql_plan_selection => TRUE,

        is_sql_plan_order => TRUE,

        is_sql_plan_cost => TRUE,

        is_sql_plan_cardinality => TRUE,

        is_sql_plan_selection => TRUE,

        is_sql_plan_order => TRUE,

        is_sql_plan_cost => TRUE,

        is_sql_plan_cardinality => TRUE,

        is_sql_plan_selection => TRUE,

        is_sql_plan_order => TRUE,

        is_sql_plan_cost => TRUE,

        is_sql_plan_cardinality => TRUE,

        is_sql_plan_selection => TRUE,

        is_sql_plan_order => TRUE,

        is_sql_plan_cost => TRUE,

        is_sql_plan_cardinality => TRUE,

        is_sql_plan_selection => TRUE,

        is_sql_plan_order => TRUE,

        is_sql_plan_cost => TRUE,

        is_sql_plan_cardinality => TRUE,

        is_sql_plan_selection => TRUE,

        is_sql_plan_order => TRUE,

        is_sql_plan_cost => TRUE,

        is_sql_plan_cardinality => TRUE,

        is_sql_plan_selection => TRUE,

        is_sql_plan_order => TRUE,

        is_sql_plan_cost => TRUE,

        is_sql_plan_cardinality => TRUE,

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        is_sql_plan_order => TRUE,

        is_sql_plan_cost => TRUE,

        is_sql_plan_cardinality => TRUE,

        is_sql_plan_selection => TRUE,

        is_sql_plan_order => TRUE,

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        is_sql_plan_selection => TRUE,

        is_sql_plan_order => TRUE,

        is_sql_plan_cost => TRUE,

        is_sql_plan_cardinality => TRUE,

        is_sql_plan_selection => TRUE,

        is_sql_plan_order => TRUE,

        is_sql_plan_cost => TRUE,

        is_sql_plan_cardinality => TRUE,

        is_sql_plan_selection => TRUE,

        is_sql_plan_order => TRUE,

        is_sql_plan_cost => TRUE,

        is_sql_plan_cardinality => TRUE,

        is_sql_plan_selection => TRUE,

        is_sql_plan_order => TRUE,

        is_sql_plan_cost => TRUE,

        is_sql_plan_cardinality => TRUE,

        is_sql_plan_selection => TRUE,

        is_sql_plan_order => TRUE,

        is_sql_plan_cost => TRUE,

        is_sql_plan_cardinality => TRUE,

        is_sql_plan_selection => TRUE,

        is_sql_plan_order => TRUE,

        is_sql_plan_cost => TRUE,

        is_sql_plan_cardinality => TRUE,

        is_sql_plan_selection => TRUE,

        is_sql_plan_order => TRUE,

        is_sql_plan_cost => TRUE,

        is_sql_plan_cardinality => TRUE,

        is_sql_plan_selection => TRUE,

        is_sql_plan_order => TRUE,

        is_sql_plan_cost => TRUE,

        is_sql_plan_cardinality => TRUE,

        is_sql_plan_selection => TRUE,

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        is_sql_plan_cost => TRUE,

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        is_sql_plan_cost => TRUE,

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        is_sql_plan_selection => TRUE,

        is_sql_plan_order => TRUE,

        is_sql_plan_cost => TRUE,

        is_sql_plan_cardinality => TRUE,

        is_sql_plan_selection => TRUE,

        is_sql_plan_order => TRUE,

        is_sql_plan_cost => TRUE,

        is_sql_plan_cardinality => TRUE,

        is_sql_plan_selection => TRUE,

        is_sql_plan_order => TRUE,

        is_sql_plan_cost => TRUE,

        is_sql_plan_cardinality => TRUE,

        is_sql_plan_selection => TRUE,

        is_sql_plan_order => TRUE,

        is_sql_plan_cost => TRUE,

        is_sql_plan_cardinality => TRUE,

        is_sql_plan_selection => TRUE,

        is_sql_plan_order => TRUE,

        is_sql_plan_cost => TRUE,

        is_sql_plan_cardinality => TRUE,

        is_sql_plan_selection => TRUE,

        is_sql_plan_order => TRUE,

        is_sql_plan_cost => TRUE,

        is_sql_plan_cardinality => TRUE,

        is_sql_plan_selection => TRUE,

        is_sql_plan_order => TRUE,

        is_sql_plan_cost => TRUE,

        is_sql_plan_cardinality => TRUE,

        is_sql_plan_selection => TRUE,

        is_sql_plan_order => TRUE,

        is_sql_plan_cost => TRUE,

        is_sql_plan_cardinality => TRUE,

        is_sql_plan_selection => TRUE,

        is_sql_plan_order => TRUE,

        is_sql_plan_cost => TRUE,

        is_sql_plan_cardinality => TRUE,

        is_sql_plan_selection => TRUE,

        is_sql_plan_order => TRUE,

        is_sql_plan_cost => TRUE,

        is_sql_plan_cardinality => TRUE,

        is_sql_plan_selection => TRUE,

        is_sql_plan_order => TRUE,

        is_sql_plan_cost => TRUE,

        is_sql_plan_cardinality => TRUE,

        is_sql_plan_selection => TRUE,

        is_sql_plan_order => TRUE,

        is_sql_plan_cost => TRUE,

        is_sql_plan_cardinality => TRUE,

        is_sql_plan_selection => TRUE,

        is_sql_plan_order => TRUE,

        is_sql_plan_cost => TRUE,

        is_sql_plan_cardinality => TRUE,

        is_sql_plan_selection => TRUE,

        is_sql_plan_order => TRUE,

        is_sql_plan_cost => TRUE,

        is_sql_plan_cardinality => TRUE,

        is_sql_plan_selection => TRUE,

        is_sql_plan_order => TRUE,

        is_sql_plan_cost => TRUE,

        is_sql_plan_cardinality => TRUE,

        is_sql_plan_selection => TRUE,

        is_sql_plan_order => TRUE,

        is_sql_plan_cost => TRUE,

        is_sql_plan_cardinality => TRUE,

        is_sql_plan_selection => TRUE,

        is_sql_plan_order =>

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Oracle SQL Profile创建与应用详解

Oracle SQL Profile创建与应用详解

什么是Oracle SQL Profile?

SQL Profile的创建

1. 手动创建SQL Profile

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