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What is transaction?
Transaction is a unit of program implementation that accesses and possibly updated several data items.
Describe the various types of Online Analytical Processing (OLAP) tools and briefly discuss how the support common analytical operations.
A field-groups statement or an insert statement reverses storage space and transfers values. False.
Dirty Reads: T10 reads a value which is updated by T9. This update has not been committed and T9 aborts. T9 T10 Value of x old value = 200
Explain Domain calculus Domain calculus is one of the types of the relational calculus. The formal specification of the domain calculus was planned after the development of the
Briefly describe the different kinds of users of a DBMS. Ans: Different sorts of DBMS users are: (a) Software Engineers: These are the people accountable for developing ap
A customer places orders for parts and belongs to a particular industry group. An individual order is taken by a particular sales representative on a specific date and the sales re
Explain several types of constraints that can be specified using CREATE TABLE command. Explain CASCADE and RESTRICT clauses of DROP SCHEMA command? Constraint Description PRIM
What Command You Use What Day of the week were you born
What are the drawbacks of File Oriented System in details?
what are the reasons having variable length records
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