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why three level architecture had been developed/
how to write a in a text and load it on mysql
A Structure of a dependency diagram
Describe Physical Data independence ? Physical Data Independence - It is capacity to modify the internal schema without having to change conceptual schema. Therefore, the exter
To delete a particular column in a relation which command is used ? To delete a particular column in a relation ALTER command is used.
write-set(T): Each data items that are written by a transaction T
E-R model uses this symbol to represent weak entity set ? A Doubly outlined rectangle symbol is used to represent weak entity set.
Explain Alternate key? Alternate Key - All the candidate keys except primary key are known as alternate keys.
Discuss the count function? The COUNT function used returns the number of tuples or values fixed in a query. The count function comprises two types of syntax: (1) COUNT (*)
anyone have a textbook solutions case fair, 8 edition of vol 1 ?, please give me
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