What are the components of a database management system?

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What are the limitations of using a model?

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What are the advantages of database system?

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What are the main components of a database in healthcare?

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How to retrive a single data from a database

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Where does the LGWR process writes information?

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What are different types of joins in sql?

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What are the main differences between primary key and unique key?

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What is database normalization with example?

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Explain, why is rdbms better than dbms?

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IF Statements BLOCK 1 . IF a >= b THEN do_this …..; ELSE do_that….; END IF BLOCK 2 . IF a < b THEN do_that …..; ELSE do_this….; END IF; • Given any pair of non-NULL values for “a” and”b”, will Block 1 and Block 2 do the same thing? • What if either “a” or”b” (or both) is NULL?

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Enlist various transaction phases.

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