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Aggregate functions Some of these functions are min, count, max, and avg. These functions help in getting consolidated information from a set of tuples. Example:
Which is the properties of entities? Attributes is the properties of entities.
what is un ordered and ordered file managment?
MySQL Database Merge Project Description: I have two databases, I need merge the data of one database into another Work to be done online right now. Payment can be done
What are the properties of transaction? There are three properties of transactions :- A) Atomicity B) Consistency C) Isolation
Properties of a Transaction A transaction has four main properties. These are: Atomicity Consistency Isolation or Independence Durability or Permanen
What are the time stamps associated with each data item? W-timestamp (Q) denotes the largest time stamp if any transaction that implemented WRITE (Q) successfully. R-timesta
What are the various symbols used to draw an E-R diagram? Explain with the help of an example how weak entity sets are represented in an E-R diagram. Various symbols used to d
FDs in Entities : Student entity : Enrolment number → Student name, Address Course Entity :
explain exhausitively the problems associated with er diagrams with ellustrations
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