Vertaling van "execute the sql workload" in Japans
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SQLワークロードを実行し
After performing the system change, execute the SQL workload again to compute the post-change performance SQL Performance Analyzer generates execution plans and computes execution statistics for each SQL statement in the workload a second time, resulting in a new set of performance data that can be used to compare to the pre-change version.
After the SQL workload is captured and transported to the test system, and the initial database environment is properly configured, you need to execute the SQL workload to compute the pre-change performance data before making the system change. Executing a SQL workload runs each of the SQL statements contained in the workload to completion. During execution, the SQL Replay Advisor generates execution plans and computes execution statistics for each SQL statement in the workload. After the pre-change performance data is computed, you can perform the system change.
In both cases, you can execute the SQL workload remotely on a separate database using a database link. SQL Performance Analyzer will establish a connection to the remote database using the database link, execute the SQL statements on that database, collect the execution plans and run-time statistics for each SQL statement, and store the results in a SQL trial on the local database that can be used for later analysis. This method is useful in cases where you want to
Execute the SQL workload to create a pre-change SQL trial before making the system change. Executing a SQL workload runs each of the SQL statements contained in the workload to completion. During execution, SQL Performance Analyzer generates execution plans and computes execution statistics for each SQL statement in the workload. Each SQL statement in the SQL tuning set is executed separately from other SQL statements, without preserving their initial order of execution or concurrency. This is done at least twice for each SQL statement, for as many times as possible until the execution times out (up to a maximum of 10 times). The first execution is used to warm the buffer cache. All subsequent executions are then used to calculate the run-time execution statistics for the SQL statement based on their averages. To avoid a potential impact to the database, DDLs are not supported; only the query portion of DMLs are executed.
Execute the SQL workload to create a pre-change SQL trial before making the system change. Executing a SQL workload runs each of the SQL statements contained in the workload to completion. Each SQL statement in the SQL tuning set is executed once-one at a time-separately from other SQL statements without preserving their initial order of execution or concurrency. To avoid a potential impact to the database, DDLs are not supported; only the query portion of DMLs are executed. During execution, SQL Performance Analyzer generates execution plans and computes execution statistics for each SQL statement in the workload.
Execute the SQL workload on a system running another version of Oracle Database
Oracle Databaseの別のバージョンを実行しているシステムでSQLワークロードを実行する
After computing the pre-change SQL performance data, you can perform the system change on the test system. Before making the system change, ensure that you have executed the SQL workload in the initial environment to generate the pre-change performance example, if you are testing how changing a database initialization parameter will affect SQL performance, execute the SQL workload once before changing the database initialization parameter to a new value. Depending on the type of change you are making, it may be necessary to reconfigure the environment on the test system to match the new environment for which you want to perform SQL performance analysis. For more information, see "Making a System Change".
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