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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, fo
Database systems have many opposite efforts ?
Explain the steps for reduction of E-R model into relational model. Ans:(a) Entity set in E-R model will be considered as table name in relational Model. (b) Attributes of e
When every condition appears with equality condition (=) only. c) Natural join (denoted by R*S) When two join attributes have the similar name in both relations. (Tha
While using extract datasets it is required to have a special workarea for interface False. It is not required to have a special workarea for interface
Give the general form of SQL query? Select A1, A2............., An From R1, R2..............., Rm Where P
Define Deadlock recovery measures To recover from deadlock, the cycle in the wait-for-graph should be broken. The common technique of doing this is to rollbac
Construct a clean ans concise ER diagram for the database indicating the cardinality mapping for Employee management syatem
Probelm: a) In the context of OODBMS, define the following terms with appropriate examples. (i) Object class. (ii) Abstract class. (iii) Aggregation. (iv)
Define a property that is not a property of transactions? Ans: Concurrency is not a property of transactions
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