How do you create an outline in Oracle?
Specify the unique name to be assigned to the stored outline. If you do not specify outline , then the database generates an outline name. Use the FROM clause to create a new outline by copying an existing one. By default, Oracle Database looks for source_category in the public area.
What is Oracle outline?
An outline is implemented as a set of optimizer hints that are associated with the SQL statement. If the use of the outline is enabled for the statement, then Oracle Database automatically considers the stored hints and tries to generate an execution plan in accordance with those hints.
How do I grant an index privilege to user in Oracle?
If you want the user to be able to create an index, you would grant that user the create any index privilege with the grant command as seen here: GRANT CREATE ANY INDEX TO Robert; There are a number of different privileges that you can assign to a given user, way to many to list here.
How do you grant select privileges to synonyms in Oracle?
Here the script to generate grant select on all the tables and synonyms. select ‘grant select on Admin. ‘ || object_name || ‘ to User;’ from user_objects where object_type in(‘TABLE’,’SYNONYM’); Then you have to create a script to run these grant statements at once or you can use PL/SQL as well.
What is SQL baseline in Oracle?
SQL Plan Baselines are a new feature in Oracle Database 11g that helps to prevent repeatedly used SQL statements from regressing because a newly generated execution plan is less effective than what was originally in the library cache. Sometimes, these new plans perform worse than the plan(s) cached in memory.
What is SQL plan Management in Oracle?
SQL Plan Management (SPM) provides a framework for completely transparent controlled execution plan evolution. With SPM the optimizer automatically manages execution plans and ensures only known or verified plans are used.
How do you grant an index?
If you want to create a index to a table in another schema first you need to grant the system privilege to the user you want use to create de index. To create an index in another schema, you must have the CREATE ANY INDEX system privilege. begin table_owner.
What is the difference between Grant and synonym in Oracle?
Synonyms provide a level of security by hiding the name and owner of a schema object such as a table or a view. When you grant object privileges on a synonym, you are granting privileges on the underlying object, and the synonym only acts as an alias in the GRANT statement. Synonyms can be public or private.
What is the difference between SQL baseline and SQL profile?
Think of it this way: SQL profiles give information to the optimizer to help select the best plan but don’t force the optimizer to select any specific plan. SQL plan baselines limit the optimizer plan selection to a set of accepted plans.
How do I create a baseline in SQL?
You can create a SQL plan baseline in several ways: using a SQL Tuning Set (STS); from the cursor cache; exporting from one database and importing into another; and automatically for every statement.
How do I create an outline in Oracle?
Creating Outlines. Outlines can be created automatically by Oracle or manually for specific statements. The automatic creation of outlines is controlled using the create_stored_outlines parameter than can be set at session or instance level using the following commands. — Switch on automatic creation of stored outlines.
How to create an outline in SYSDBA SQL?
CONN sys/password AS SYSDBA GRANT CREATE ANY OUTLINE TO SCOTT; GRANT EXECUTE_CATALOG_ROLE TO SCOTT; The following example uses the CREATE OUTLINE statement to create an outline for a specified SQL statement. The statement is assigned to an outline category called SCOTT_OUTLINES to ease administration.
When to use stored outline in Oracle 8i?
Another 8i feature requiring the cost-based optimizer is stored outlines. To force Oracle to execute SQL statements the same way no matter what occurs at the operating system level, database level, etc., create a stored outline and invoke its category.
Where do I find the grant statement in Oracle?
Table 18-3 summarizes the object privileges that you can grant on each type of object. Table 18-4 lists object privileges and the operations that they authorize. Notes on Authorizing Database Users You can authorize database users through means other than the database and the GRANT statement.