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examples of fields in a database
What is OLAP? OnLine Analytical Processing (OLAP) is a Business Intelligence (BI) reporting system. OLAP gives the user with the capability to sum, count, average and do other
What are the function of DBA?
what is meant semantic query optimization? how does it differ from other query optimization techniques?
Describe sequential file organization. Explain the rules for (i) Inserting a new record. (ii) Deleting an existing record. Ans:A sequential f
Association as a cache This association must be updated when any new element is added to it, but testing for overlap using association is more efficient. Figure:
Express the following queries in SQL: (a) Write the SQL code that will create ALL the four tables given in the appendix. Your answer should not contain the primary key and
When is a transaction rolled back? Any changes that the aborted transaction made to the database must be uncompleted. While the changes caused by an aborted transaction have be
Hi I have got an assignment for making an er diagram for market management software can any budy help me?
explain external view
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