Answer / rajat sharma

Data integrity is provided by various constrains
(UNIQUE,CHECk etc.) provided to us by SQL. By these
constrains the user cannot even make a mistake in inserting
the data.

When creating a user, what permissions must you grant to allow them to connect to the database?

3 Answers  

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In what script is "snap$" created? In what script is the "scott/tiger" schema created?

0 Answers  

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Should you place Recovery Catalog in the Same DB? . Can you use RMAN without Recovery catalog

4 Answers  

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How can we know the exact updation date of a particular database?

2 Answers   Satyam,

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what is the differnce between process and thread ?

1 Answers   IBM,

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Which types of backups you can take in Oracle? 2. A database is running in NOARCHIVELOG mode then which type of backups you can take? 3. Can you take partial backups if the Database is running in NOARCHIVELOG mode?

1 Answers  

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Explain about your sql server dba experience? : sql server DBA

0 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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Where would you look for errors from the database engine?

0 Answers   IBM,

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i need a brief information about db2 dba course and realtime experts if any plz inform me nareshbhupathi93@gmail.com plzzz urgent

1 Answers   TCS,

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How do you add a data file to a tablespace?

3 Answers  

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What are the steps you will take to improve performance of a poor performing query?

0 Answers  

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