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Write short notes on domain relational calculus The domain relational calculus uses domain variables that take on values from an attribute domain rather than values for whole t
Name the various privileges in SQL? A) Delete B) Select C) Insert D) Update
how does Btree differ from a B+ - tree?
The physical location of a record is determined by which mathematical formula that transforms a file key into a record location? The physical location of a record is determined
Given the following relations Vehicle (Reg_no, make, colour) Person(eno, name, address) Owner(eno, reg_no) Write expressions in the relational algebra to answer the following
1. Design the logic, using a looping structure, for a program that outputs every even number from 1 through 25 along with its square and cube. 2. Mr. Sanchez owns 12 apartme
What are called multilevel indices? Indices with two or more levels are known as multilevel indices.
Rearrange Classes and Operations Sometimes, the similar operation is defined across different classes and can easily be inherited from a familiar ancestor, but more often oper
i need help with creating database system for a library
What is a recovery scheme? An integral part of a database system is a recovery scheme that can restore the database to the reliable state that existed before the failure.
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