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Reflects organisational structure: Many organizations are distributed over various locations. If an organisation has many offices in dissimilar cities, databases used in such an ap
What is Relational Algebra? Relational algebra is a Procedural query Language?
#question benefits and limitations of data models..
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What are the function of DBA?
What is Log Shipping? Log shipping is the method of automating the backup of database and transaction log files on a production SQL server, and then restoring them onto a stand
Define Two phase commit Two phase commit: To make sure atomicity, all the sites where a transaction is being executed must agree on the final outcome of the execution. The tran
external and internal mapping with examples
What are the objectives of query processing? Ans: The objectives of query processing is to transform a query written in a high level language into a accurate and efficien
What is a primary key? Primary key is chosen by the database designer as the principal means of identifying an entity in the entity set.
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