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What is transaction?
Transaction is a unit of program implementation that accesses and possibly updated several data items.
Explain three main attributes of data.
Multilevel Index The Multilevel Index is a modification of the secondary level index system. In this system we might be use even more number of levels in case the table is eve
Define an operator that a Relational Algebra does not have Ans: Relational Algebra does not have Aggregation operators.
I need an ERD created for any original database(can be on anything). It needs to be 3NF. I then need all the CREATE STATEMENTS, INSERT STATEMENTS(anything you can think of as long
What is called as recursive partitioning? The system repeats the splitting of the input unless each partition of the build input fits in the memory. Such partitioning is known
What is first normal form? The domain of attribute must contain only atomic (simple, indivisible) values.
Example- Search the salary of employees who are not 'ANALYST' but get a salary below than or equal to any people employed as 'ANALYST'. SELECT EMPNO, ENAME, JOB, SAL FROMEMP
Explain Derived and Non-Derived Attribute? In few cases, two or more attribute values are related, for instance, Age and BirthDate attributes of a person. For specific person e
need a DBMS system on any data for assignment.
i want help to complete my task
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