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Label:11g new Features-automatic SQL tuning (Automatic SQL Tuning) In Oracle 10g, an automatic SQL Tuning feature was introduced. In addition, ADDM monitors SQL statements that capture

SQL Server Performance Tuning methodology and common tools, SQL Server Tuning In earlier articles, we mentioned the DETECT methodology in Performance Tuning. Here we will briefly review the DETECT methodology. Discover the problem: found the problem Lead e the conditions: E

11g new Features-automatic SQL tuning (Automatic SQL Tuning)In Oracle 10g, an automatic SQL Tuning feature was introduced. In addition, ADDM monitors SQL statements that capture high lo

1. Define a SQL class HelloDROP JAVA SOURCE newxzxt. " Hello "; CREATE OR REPLACE and RESOLVE JAVA SOURCE NAMED newxzxt. " Hello "as import java.lang.*; public class Hello {public static string say (String args) { System.out.println (args); return args; } } /2. The SQL class above the stored procedure callCREATE OR REPLACE Procedure newxzxt.prc_hehe (

How to use Oracle's Dbms_sqltune package to execute SQL Tuning Advisor for SQL self-tuning1 ". Here is a simple example to illustrate the use of Dbms_sqltuneStart by running a SQL that you want to tune, and then get the SqlidSql> SELECT * from V$sqltext where sql_text like ' select * from dual% ';ADDRESS hash_value sql

Label:Original: SQL Server Tuning series advanced (How to index tuning)ObjectiveIn the previous article we analyzed the role of statistical information in the database, and we have learned how the database uses statistics to control the distribution of the contents of tables in the database. Children's shoes are not clear and can be clicked for reference.As a

Common SQL Tuning Tips and SQL Tuning tuningtips Create an appropriate index (refer to correct database index creation) Replace OR with UNION (applicable to index columns) Replace in and not in with exist and not exist Do not declare numbers in character format (this will invalidate the index an

Oracle tuning uses related SQL, oracle tuning related SQL Select * from v $ session where username is not null;Select username, count (username) from v $ session where username is not null group by username;Select count (*) from v $ process;Select value from v $ parameter where name = 'processs ';Select count (*) from

How to use Oracle's Dbms_sqltune package to execute SQL Tuning Advisor for SQL self-tuning1 ". Here is a simple example to illustrate the use of Dbms_sqltuneStart by running a SQL that you want to tune, and then get the SqlidSql> SELECT * from V$sqltext where sql_text like ' select * from dual% ';ADDRESS hash_value sql

Tags: style c tar ext a intHow to use Oracle's Dbms_sqltune package to run SQL Tuning Advisor for SQL automatic tuning1 ". Here's a simple example of how dbms_sqltune is used.First execute the next SQL that you want to tune, and then get the SqlidSql> SELECT * from V$sqltext where sql_text like ' select * from dual% ';