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2NF Normal Form:
A relation schema process R is in 2NF if it is in 1NF and each non-prime attribute A in R is fully functionally related on primary key. Second normal form (2NF) is a normal process needed in database normalization. 2NF was originally described by E.F. Codd in 1971. A table that is in first normal form (1NF) must accept additional criteria if it is to accept for second normal form. A table is in 2NF if and only if, it is in 1NF and no non prime attribute is related on any proper subset of any candidate key of the table.
What is called query processing? Query processing refers to the range of activities included in extracting data from a database.
I need to Map an E-R diagram to a relational schema
assume we have the following apllicationthat model sccer team the games they play and the players inv each teamin the design we want to capture
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Types of Data fragmentation
Example - ALTER TABLE emp MODIFY (empno NUMBER (7));
What are the function of DBA?
1) Define a job scheduling strategy that will meet business requirement of reporting availability by 6am CST for the following cubes? Show the job scheduling dependencies in a pict
The database depicted in the Visio diagram describes Proceeding , Article , Researcher , article PublishedIn a proceeding, article WrittenBy researchers and proceedings Edi
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