As a part of your job, what are the DBCC commands that you commonly use for database maintenance?

1 Answers   IBM,

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Can you take Online Backups if the the database is running in NOARCHIVELOG mode? 5. How do you bring the database in ARCHIVELOG mode from NOARCHIVELOG mode? 6. You cannot shutdown the database for even some minutes, then in which mode you should run the database?

11 Answers   FA, GE, Wipro,

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How many memory layers are in the shared pool?

3 Answers  

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How do you troubleshoot errors in a sql server agent job? : sql server DBA

0 Answers  

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What is the cache hit ratio, what impact does it have on performance of an Oracle database and what is involved in tuning it?

0 Answers  

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What are the steps you will take, if you are tasked with securing an SQL Server?

1 Answers   STC,

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what is logical system in sap basis

0 Answers  

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Give two methods you could use to determine what DDL changes have been made.

2 Answers  

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Hi This is request to DBA man Q. I have installed Oracle 10g Express edition in Linux fedora Core 6.When i have run the following script for ORACLE _HOME environment variable setting . script is ". /usr/lib/oracle/xe/app/oracle/product/10.2.0/server/bin/oracle_env.sh" variable is set but it is working only in current session. If i restart the system again i should run that script. So haw to set permanently ? even i have try with export command for that environment set it also does not work. Q. When i run sqlplus in shell prompt It is working but when i give user name and password the following error come out i.e # sqlplus SQL*Plus: Release 10.2.0.1.0 - Production on Fri Apr 2 19:45:40 2010 Copyright (c) 1982, 2005, Oracle. All rights reserved. Enter user-name: system Enter password: ERROR: ORA-01034: ORACLE not available ORA-27101: shared memory realm does not exist Linux Error: 2: No such file or directory I have also proper partition of disk means swap memory are available. # fdisk -l Disk /dev/sda: 40.0 GB, 40060403712 bytes 255 heads, 63 sectors/track, 4870 cylinders Units = cylinders of 16065 * 512 = 8225280 bytes Device Boot Start End Blocks Id System /dev/sda1 * 1 1275 10241406 7 HPFS/NTFS /dev/sda2 1276 4870 28876837+ f W95 Ext'd (LBA) /dev/sda5 1276 3187 15358108+ 7 HPFS/NTFS /dev/sda6 3188 4672 11928231 83 Linux /dev/sda7 4673 4863 1534176 82 Linux swap / Solaris

1 Answers  

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How to craeate the New Database Schema in Oracle and mysql? Please tell me with Example?

0 Answers  

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Is it possible to update the multiple field values in a single query? If possible then write the actual query.

1 Answers   Oracle,

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Due to some maintenance being done, the sql server on a failover cluster needs to be brought down. How do you bring the sql server down? : sql server DBA

0 Answers  

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