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What are the several forms of identity? a) Value b) Name c) Built-in
Waterfall model is the linear model. The process is completed by step by step. We couldn't stop in between of the process. Prototype model: after get the model by low cost budget o
Logical Operators Rules of Precedence: Order evaluated Operator 1 All comparison operators 2
Write a query that display ename annual salary and comm from emp table
what do you mean by primary key constraint?
What are the DBMS languages? Briefly explain? Data Definition language (DDL):A database schema is specified through a set of definitions expressed through a special language
The JOIN operation is applied on two relations. When we want to choose related tuples from two given relation join is used. The join operation need that both the joined relations m
What is hash file organization? What are the causes of bucket overflow within a hash file organization? What can be completed to decrease the occurrence of bucket overflow?
Compare the two log-based recovery schemes in terms of ease of implementation and overhead cost. Ans: There are two types of log based recovery techniques: deferred update
Which is another name for weak entity? Child is another name of weak entity.
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