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What is transaction?
Transaction is a unit of program implementation that accesses and possibly updated several data items.
The File Based System File based systems are an early attempt to computerise the manual filing system. For example, a manual file can be set up to hold all the correspondence r
Question: a) Discuss the concept of data independence, explaining its importance in a database environment. b) To address the issue of data independence, the ANSI-SPARC t
What is the use of a slotted-page structure and what is the information are there in the header? The slotted-page structure is used for organizing records within a one block.
how to construct labelled precedence graph for view serialiability.please explain insteps with one solved examples
Define an operator that a Relational Algebra does not have Ans: Relational Algebra does not have Aggregation operators.
A Structure of a dependency diagram
Describe in brief about DBMS ?
1) Define a job scheduling strategy that will meet business requirement of reporting availability by 6am CST for the following cubes? Show the job scheduling dependencies in a pict
Which operations need the participating relations to be union compatible? A UNION, INTERSECTION and DIFFERENCE operations need the participating relations to be union compatibl
write on the various type of relationalkey
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