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explain the steps for reduction of er model into relational model?
how to design a bakery business in data base
What are the function of DBA?
What are called index-sequential files? The files that are ordered sequentially with a primary index on the search key are known as index-sequential files
what is stracture of dabms
With the help of a suitable diagram gives module wise explanation of system architecture of DBMS.on..
Can we delete data element, which is being used by table fields. No we cant delete data element.
The PROJECT operation The project operation is used to choose the records with specified attributes as discarding the others based on some related criteria. This is denotes as ∏
What are the ways in which the variable-length records arise in database systems? Storage of many record types in a file. Record types that permit variable lengths for one o
Define Timestamp ordering Ans In timestamp-based method, a serial order is made among the concurrent transaction by assigning to every transaction a unique nondecreasing number
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