Do we consider null values the same as that of blank space or zero?
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What is the difference between hashed file stage and sequential file stage in relates to datastage server?
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Mention the different languages present in dbms
If I delete a table and then rollback it, do the index on the table remains? What if I drop the table and roll back?Do index on the table remains? What if I truncate the table and roll back? Do the index on the table remains
Define entity, entity type, and entity set.
What is database management system(dbms)?
What is meant by database management system?
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What is sql and where is it used?
Define database model.