Database Tuning (MOSC)

MOSC Banner

What are the drawbacks, if we don't mention degree of parllelism in Parallel hint of a query?

edited Nov 12, 2009 7:09AM in Database Tuning (MOSC) 2 commentsAnswered
 Hi,

     Previously when i raised the question regarding the impact of parallel hint on OLTP system, many people responded. Thank you for the response. As we are using  a join between the big table and lookup table, to avoid full table scan on the big table when we filter by a particular lookup code of lookup table, I have to use parallel hint otherwise it is going by full table scan of big table and also response time is low. But I want to know what is the degree of parallelism I have to mention in the hint... as I have no

Howdy, Stranger!

Log In

To view full details, sign in to My Oracle Support Community.

Register

Don't have a My Oracle Support Community account? Click here to get started.

Category Leaderboard

Top contributors this month

Instructions for posting

×

1. Select a discussion category from the picklist.


2. Enter a title that clearly identifies the subject of your question.


3. In the body, insert detailed information, including Oracle product and version.


Please abide by the Oracle Community guidelines and refrain from posting any customer or personally identifiable information (PI/CI).


Cloud / Fusion customers - Our Cloud community has moved! Please go to Cloud Customer Connect .


New to My Oracle Support Community? Visit our Welcome Center

MOSC Help Center