Here the following is the description of the ORDERED hint. The ORDERED hint causes Oracle to join tables in the order in which they appear in the FROM...
I need to tune a query: SELECT RS.SESSION_ID FROM RC_STAT RS WHERE RS.SESSION_ID in (SELECT SESSION_ID FROM RC_ERROR RE WHERE RE.CREATION_DATE_TIME > 'S' AND RE.ERROR_DESC ||'S'= 'S' ) There are 2 indexes on RC_ERROR: ...
I am currently migrating my asp.net project to asp.net core as per my clients requirement and I am stuck with a specific part for which i will need your help of. I am using the following piece of code to retrieve the SQL to the DTO on the BLL. result.data = _dbContext.Databas...
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 ...
'Oracle' data extension not registered 'Return' statement in a Function,Get,or Operator must return a value...Question "An error occurred during local reporting processing. Object reference not set to an instance of an object." "Define query parameters" popup in Dataset properties -> Refersh ...
Step 1: Use the desktop icon to launch Oracle SQL Developer. Step 2: Select the Connections option under View. Step 3: Right-click Connections in the Connections tab and choose New Connection. You’ll see a window asking you to choose a new database connection. Step 4: Fill in the corr...
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: ...
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...
The attempt by DBAs to tune parameters often backfires After seeing the aged tables and starving tables, desperate DBAs keep aggressive settings and a higher number of workers. Many times this pushes the system way beyond its limit because everything gets in the wrong time with high aggression ...
a session has spent on each event, and what resources (CPU cycles, memory, and so on) an event consumed. Those tuning techniques do not, however, show the timing of individual queries or the different execution steps in each query. To display those details, you need to trace the session...