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Explain Instance and schemas? Instances and schemas: Databases changes over time as the information is deleted and inserted. The collection of information stored in database
Can we delete data element, which is being used by table fields. No we cant delete data element.
Can a filed occur in several field groups. Yes. But it leads to redundant data redundancy.
case study
Explain the Concept of Two-phase Locking It concerns the positions of locking and unlocking operations in each transaction. In this protocol every transaction issue lock and u
Explanation on Data Sharing?
explain various steps uses in evaluation and maintenance of MIS.
Which file organization provides very fast access to any arbitrary record of a file? Hashed file organization provides very fast access to any arbitrary record of a file.
Data slice explanation
We have a new website where I need someone to 1: Inhabit the back end with all the recruitment agencies in the UK. I require someone who is not manually going to do this, but who w
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