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Explain Alternate key? Alternate Key - All the candidate keys except primary key are known as alternate keys.
Determine the language that needs a user to specify the data to be retrieved with no specifying exactly how to get it is Ans: Non-Procedural DML
Serialisability: Any schedule that makes the similar results as a serial schedule is known as a serialisable schedule. But how can a schedule are determined to be serialisable or n
can you create a database for me in oracle/sql
explain exhaustively the problems associated with ER diagrams. include illustrations in your answer
(a) Why did SAP introduce the extended star schema?
How does the system cope up with a record crash when recovery is going on after the first crash? Ans: In a system the undo and redo operations are needed to be idempotent to c
Explain five duties of Database Administrator? 1. DBA administers the three stages of the database and, in consultation along with the whole user community, sets up an defin
Synonyms It allows short names or alternative names for objects. Example : CREATE SYNONYM D30 FOR EMPD30; Now if we give command:
Describe the Association: Design Before we describe association design let us define association "Association is set of links between two objects in the object model". It is
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