Explain the use of setting GLOBAL_NAMES equal to TRUE.

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any body know about orawaves do they really provide placements in their unique placement program

1 Answers   TCS,

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What view would you use to look at the size of a data file?

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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

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Explain materialized views and how they are used.

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I want to reuse a piece of code inside a stored procedure. This piece of code need to be invoked multiple times inside the procedure based on some different conditions. How to achieve this?

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What SQL query from v$session can you run to show how many sessions are logged in as a particular user account?

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How can you tell how much space is left on a given file system and how much space each of the file system's subdirectories take-up?

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What is the importance of a recovery model? : sql server DBA

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now one user in online.now i want drop him..how do u drop him?

4 Answers   Wipro,

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How will u copy the objects of one schema to another schema in datapump & export/import?

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Describe what redo logs are.

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