The query plan shows a full table scan of EMPLOYEE and then nested to the index of EMPSB_EMP_ID, it looks like a good query plan, but I wonder if it is too expensive to have a full table scan of EMPLOYEE table? In order to ask Oracle to consider other query plans, I added a ...
You can test or tune your program unit performance in Oracle forms with Ora_Prof package. Suppose you have created to procedure to perform a single task with different logic and you want to check exactly which procedure is performing well. See the below example: declare i PLS_INTEGER; BEGIN ...
The query shows a “NESTED LOOPS SEMI” from DEPARTMENT to EMPLOYEE table.Basically, this SQL is difficult to optimize by just syntax rewrite due to the simplicity of the SQL syntax that Oracle is easily transformed into a canonical syntax internally, so not much alternative query plan can be...
You can test or tune your program unit performance in Oracle forms with Ora_Prof package. Suppose you have created to procedure to perform a single task with different logic and you want to check exactly which procedure is performing well. See the below example: declare i PLS_INTEGER; BEGIN ...
disk. The QUERY column shows the number of rows retrieved at that stage. In this case, three rows were retrieved. Because Oracle Database spends some CPU cycles to get a row, the greater the number of rows accessed by the query, the more CPU cycles consumed and the greater the elapsed ...
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description => 'Tuning task for an EMP to DEPARTMENT join query.'); DBMS_OUTPUT.put_line('l_sql_tune_task_id: ' || l_sql_tune_task_id); END; / You should see the following: PL/SQL procedure successfully completed. In the preceding command, note the TIME_LIMIT of 60. That limits...
I want to create one SQL Tuning Set(STS) for the statement running in TEST db.I looked at the package DBMS_SQLTUNE but could not find the proedure/funtion to create STS manually from a query.
However, I can't run it in VS2017 because of this error: Severity Code Description Project File Line Suppression State Error An error occurred while signing: Failed to sign bin\Release\app.publish\SQLSvrDETool_OOP.exe. SignTool Error: No certificates were found that met all the given ...
I am using the following piece of code to retrieve the SQL to the DTO on the BLL. result.data = _dbContext.Database.SqlQuery<sysmstatusgroup_dto>(sqlFinal).ToList(); but then i get an error which says that i cannot use SqlQuery anymore on the new entity framework. Is there a...