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Differentiate between a Global and a Local temporary table?
- A local temporary table exists only for the duration of a connection or if defined inside a compound statement, for the duration of compound statement.
- Global temporary tables (created with a double "##") are visible to all sessions.
- Global temporary tables are dropped when the session which created it ends and all other sessions have stopped referencing it.
Construct a clean ans concise ER diagram for the database indicating the cardinality mapping for Employee management syatem
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Give the two reasons for allowing concurrency
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A field-groups statement or an insert statement reverses storage space and transfers values. False.
define lock conversion
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