DB_BLOCK_SIZE??? Survey.

2003-07-23 Thread Grabowy, Chris
I just started at my new DBA job, and I have been reviewing their database installation procedure. I noticed that they create all their databases with a 4K block size. This is for Oracle 9.2 on AIX 5.2. It has been my general understanding that most sites these days use 8K db_block_size as a

RE: DB_BLOCK_SIZE??? Survey.

2003-07-23 Thread Syed Ahmed
Hi Chris, Be default Oracle 9i create database with 4k block_size ,you can choose differently types of block_size on tablespace level. You may like to look into tablespace block_sizes. I have a 4 k block size in one of our production database but it allows me to have different block size on

RE: DB_BLOCK_SIZE??? Survey.

2003-07-23 Thread DENNIS WILLIAMS
Syed The statement I received from an Oracle instructor is that the ability to handle blocks of a different size are in 9i for one purpose and one purpose only -- so you can bring a transportable tablespace from another database. Specifically, if you have databases with several block sizes you

RE: DB_BLOCK_SIZE??? Survey.

2003-07-23 Thread M Rafiq
I fully agree with Dennis. Even some applications like Oracle Finanacials 11i requires that min db_block size should be 8K. About 32K size, may be some OS not support that size but 16K is much better for OLAP environment and we have been using 8K for OLAT and 16K for OLAP/DSS. Regards Rafiq