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Define various ways in which SELECT statement can be used for record selection Technology? SELECT gives you control over a number of aspects for record retrieval: 1) Which
Explain how the object classes are mapped to tables. Each object class maps to one or more than one tables in the database. The objects in the class may be partitioned horizont
read-set(T) : Each data items that are read by a transaction T Timestamps : for all transaction T, the start-time and the end time are reserved for all the three phases.
what is attribute is attribute inheritance in dbms?
please describe the data base management with the easy example &give the application?
how design database from begining
Which is an advantage of view? The Advantages of view is Data security, Derived columns and Hiding of complex queries
How does a query tree represent a relational algebra expression? Ans: This includes transforming an initial expression (tree) into an equivalent expression (tree) that is
Define database management system? Database management system (DBMS) is a set of interrelated data and a combination of programs to access those data.
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