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What is called query processing?
Query processing refers to the range of activities included in extracting data from a database.
A TDMS project plan is not a typical Information Technology project plan; therefore, a traffic data project has several unique characteristics: Traffic data management system
Whst is logical schema ? Logical schema is the entire database.
Which is an advantage of view? The Advantages of view is Data security, Derived columns and Hiding of complex queries
In order to keep pace with competitors, Space Ltd has decided to implement an ERP system in order to replace its old legacy and manual systems. Management does not have much knowle
how the string works as keyword?
Mention the various user privileges All privileges directly granted to the user or role. All privileges granted to roles that have been granted to the user or role.
Consider the relation schemas as follows. works (person name, company name, salary); lives (person name, street, city); located in(company name, city); managers (person name
What is the difference between WHERE and HAVING clauses?. Predicates in the WHERE clause applies to every tuple while the predicate in the HAVING clause applies to groups.
What is vertical fragmentation? Vertical fragmentation divides the relation by decomposing the scheme R of relation r.
real life situations where database management system are most suitable
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