Concurrency control in DBMS
What do you understand by the term concurrency control in DBMS?
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Concurrency control is the procedure of managing concurrent operations against a database so that database integrity is not adjusted. There are two approaches to concurrency control.
Pessimistic approach: consists of locking Optimistic approach: consists of versioning.
To perform recursion which data structures is used?
States the term Global temporary.
Explain Data Page Locking in Sybase.
Explain the way to swap a db device along with other.
Illustrate the term indexing. Specify the kinds of the indexing.
Explain the way to select tables for partition in Sybase?
State the different types of the folders?
Consider a MOVIE database in which data is recorded about the movie industry. The data requirements are summarized as follows: ¦ Each movie is identified by title and year of release. Each movie has a length in minutes. Each has a production company, and each is classified under one or more genre
Determine the concept of Relation Schema and a Relation?
Explain the Combined Query?
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