Explain the main features of sap db?

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What are the major differences between sap db and other database systems?

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Explain dynpro?

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Explain the select statement to read data into internal tables?

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How alert messages are created?

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Explain spool buffer.

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Can I create an index on a view?

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Must I carry out an update statistics for indexes?

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Are locks set during create index?

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What advantage does a backup using the maxdb backup tool offer compared to a file system backup?

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Situation: you raise a new spool request.the spool buffer was already full. What will happen to the request? Where would the request get stored?

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I used "update" command without where clause. What would happen?

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What is rman. Can it be used for database recovery and backup? If yes, how?

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Explain 'group by' in select statement

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Explain its?

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