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What is primary Key Explain? Primary Key - Primary key is one of the candidate keys. It should be selected such in which its attribute values are never, or very rarely, chang
What is Identity? Identity (or AutoNumber) is a column that automatically produces numeric values. A start and increment value can be set, but most DBA leave these at 1. A GUID
What is database utility? Database utility is the interface among the ABAP/4 Dictionary and the underlying the SAP system.
explain cascading rollback
What are the benefits of decomposing a system? The benefits of decomposing a system into subsystems are that after decomposition, each individual component become smaller and e
Define a property that is not a property of transactions? Ans: Concurrency is not a property of transactions
write short note on mobile database
Determine Which is not a consequence of concurrent operations? Ans: Update anomaly.
Differance between DDL and SDL? DDL and SDL - The data definition language (DDL) is used through DBA and database designers to describe internal schema, conceptual schema, and
What is a trigger
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