Question: How do I force a SQL profile in Oracle 11g?

How do I change a SQL profile to force matching true?

You can use DBMS_SQLTUNE. ALTER_SQL_PROFILE to change the status, name, description, or category of a SQL profile, but you can’t alter it from exact to force matching. Instead, you would have to recreate it.

How do I manually create a SQL profile?

How to Create Custom SQL Profile

  1. Step 1: Review the mail.html.
  2. Step 2: Run COE_XFR_SQL_PROFILE.
  3. Step 3: Create Custome SQL Profile.
  4. Step 4: Verif is it using SQL_PROFILE.
  5. Step 5: Flushing a Single SQL Statement from Library Cache (Only if required)

Where can I find SQL profile in Oracle?

Oracle SQL profile

  1. Run SQL tuning advisor. Run the following SQL tuning advisor code for sql_id, 6dkrnbx1zdwy38 : …
  2. Accept the sql_profile. Run the following code to accept the sql_profile:
  3. Check the name of the sql_profile. Use the following query to check the sql_profile name:
  4. Disable the sql_profile. …
  5. Drop the sql_profile.

What is SQL profile in Oracle 11g?

A SQL profile is a set of auxiliary information specific to a SQL statement. Conceptually, a SQL profile is to a SQL statement what statistics are to a table or index. The database can use the auxiliary information to improve execution plans. … Therefore, SQL profiles just guide the optimizer to a better plan.

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How do I accept a SQL profile?

What is SQL Profile, How to create and accept it and how it works in Oracle

  1. Creating and Accepting a SQL Profile.
  2. Step 1: Use DBMS_SQLTUNE to Create a Tuning Task.
  3. Step 2: Execute the Tuning Task.
  4. Step 3: Run Tuning Advice Report.
  5. Step 4: Create and Accept SQL Profile.
  6. How It Works.

How do you force a SQL<UNK>ID to use a specific hash plan value?

How to force SQL ID to use a specific hash

  1. Shows current plan. …
  2. Load SQL ID from cursor cache. …
  3. Load SQL ID from AWR. …
  4. Verify the execution Plan of a SQL_ID in the STS. …
  5. Load all plans from SQL Tuning Set. …
  6. Force a SQL statement to use specific hash. …
  7. Shows execution plan of sql plan. …
  8. Show all sql baselines.

How do I copy a SQL profile from one database to another?

Follow below steps for migrating sql profiles from one database to another.

  1. Create a staging table. SQL> exec DBMS_SQLTUNE. …
  2. Pack the profiles to the staging table. SQL> exec DBMS_SQLTUNE. …
  3. Export the staging table: …
  4. copy the dump to target db and import the table. …
  5. Unpack the sql profiles.

What is Oracle Database profile?

A profile is a set of limits on database resources and password access to the database. If no profile is specified, then the user is assigned a default profile.

How do I find my SQL profile name?

To check SQL Agent, right-click then properties, choose the Alert System tab. The profile being used will be listed on there.

What is the difference between SQL profile and SPM baseline?

Difference Between SQL Profiles and SQL Baselines

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SQL profiles only helps the optimizer to choose the better plan providing some additional stats and information but it does not force the optimizer for any specific plan . … Where as the SQL baselines constrain the optimizer to choose from the accepted set of plans.

How do I enable a SQL baseline?

To enable baseline usage, optimizer_use_sql_plan_baselines must be true. Consider a baseline for the plan with the lowest cost or best elapsed time. The optimizer will choose the lowest cost accepted plan but will give preference to a fixed plan.

What are baselines and profiles in Oracle?

A SQL plan baseline for a SQL statement consists of a set of accepted plans. … So, SQL profiles provide additional information to the optimizer to help select the best plan; they don’t constrain the optimizer to any specific plan, which is why they can be shared.

What is SQL plan baselines?

SQL plan management uses a mechanism called a SQL plan baseline. A plan baseline is a set of accepted plans that the optimizer is allowed to use for a SQL statement. In the typical use case, the database accepts a plan into the plan baseline only after verifying that the plan performs well.

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