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To eliminate duplicate rows (distinct operator)
Example:
SELECT DISTINCT DEPTNO FROM EMP;
explain participation constraints with examples
what is the relationship between receipt and owner entities in computer sales and service company
With the help of a suitable diagram gives module wise explanation of system architecture of DBMS.on..
Identification of concurrency Identification of concurrency: Dynamic model identifies concurrency. Two objects are said to be parallel (concurrent) if they can receive events a
Explain controlled redundancy? Controlled redundancy : The replication of data within the data warehouse for the purposes of improved data access or understand ability.
Process of normalization is the integral part of designing a database. Justify this statement with suitable database design
Update Anomaly : This anomaly is occurred due to data redundancy. Redundant information makes updates more complex since, for example, varying the name of the instructor of MCS-014
am looking for assignment helper for dbms
Haw does it work one database application
What types of adjustments are required to increase chances of inheritance. a) Some attributes can be added or ignored in the base class operation b) Some changes can be
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