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What is the difference among a database schema and a database state?
The collection of information stored in database at particular moment in time is known as database state although the whole design of database is known as database schema.
Consider the following database schema: STAFF(StaffNo, fName, lName, Position, sex, dob, branchNo) BRANCH(BranchNo, Street, City) Assume the following for the above database
What are called journaling file systems? File systems that support log disks are known as journaling file systems.
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List the drawbacks of relational database system A) Repetition of data B) Inability to s certain information.
Attributes that are directly kept in the data base. For example, 'Birth date' attribute of a person. Derived Attributes that are not stored directly but can be derived
In which form of relational database developer refers to a record? In a tuple form of relational database developer refers to a record.
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anyone have a textbook solutions case fair, 8 edition of vol 1 ?, please give me
what is primary key
Performance of Various Concurrency Control Mechanisms
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