What does coalescing a tablespace do?

1 Answers  

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. I have my backup RMAN script called "backup_rman.sh". I am on the target database. My catalog username/password is rman/rman. My catalog db is called rman. How would you run this shell script from the o/s such that it would run as a background process?

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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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I lost one datafile i dont have backup how can you recover that???

2 Answers   HP,

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Define the SGA and: How you would configure SGA for a mid-sized OLTP environment? What is involved in tuning the SGA?

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Explain the difference between a FUNCTION, PROCEDURE and PACKAGE.

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How do you tell what your machine name is and what is its IP address?

4 Answers  

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Explain what partitioning is and what its benefit is.

2 Answers  

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orra 1555 what is this error,why it is occur?

2 Answers   Mphasis,

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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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why do we give pctfree and pctused in create table statement?

1 Answers   CTS,

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i want export 50gb data in datapump it will take 2 hours time to complete that how can u export that tell me script ???

1 Answers   iGate,

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