Answer Posted / chandrasekaran

What is tablespace?
It is a logical partition of a database. As the database
are OS datafiles residing in filesystem, to access that we
need a logical definition. That is tablespace

Difference between Offline redolog files and Online redolog
files?
Online redolog file
1. Has the current changes happend in database
2. Used for Instance recovery and database recovery

Offline redolog file
1. It is backup of Online redolog file when online redolog
file is full. Online redolog file are taken backup via
ARCn archive process
2. It is also used for recovery the database when crashed

Datafiles
1. Which carries the actual data
2. Three main types of datafiles are
1. System data files - meta data of entire database
objects
2. Undo data files - Carries un-commited data's
3. User data files - Carries the customized data's
4. Temporary data files - Carries temporary data. used
for sorting

Rezising Tablespace
Three ways to do
1. Extend the current data file in the tablespace
2. Add new datafile to tablesapce
3. set AUTOEXTEND parameter ON

How much swap memory should be in the system?

1095

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What is JVM switch. Why JVM switch is required ?

2606

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if i want to limit the condition record validity for forst 10 orders how can i do tht plz ans i hve interview in 2/3 days

2057

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How you will give new authorizations?

1838

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How to create RFC CONNECTION between production server and Global trade system. what prerequsite we need for this.

3656

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Explain how you can restrict multiple logins of user in sap? What are the thing you have to take care of while writing the id’s?

1252

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How do you create an instance?

1110

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Explain the developer trace?

999

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How to perform a sap-export and import tables in sap from os level?

1297

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How to do transport at OS level?

1961

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What is a developer key? and how to generate a developer key?

1117

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Where do you download trail version of sap ecc, what is sap cal?

1100

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Explain segment?

1154

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What is Unit Testing in SAP?

1260

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Hi, Cansomeone please send the system refresh doc , it's very urgent for me. Thanks in advance.

2363

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