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What is a hash index?
A hash index organizes the search keys, with their associated pointers, into a hash file structure.
What is Oracle databse structure? Oracle database structure: The relational model has three main aspects: Structures: Structures are well-defined objects which store th
What is a foreign key, and what is it used for? A foreign key is used to establish relationships between relations in the relational model. Technically, a foreign key is a colu
What is SQL Profiler? SQL Profiler is a graphical tool that permits system administrators to monitor events in an instance of Microsoft SQL Server. You can capture and save dat
Why did SAP introduce the extended star schema? Explain why it is reported to be better than the traditional schema model?
What is the disadvantage of a call by reference? During a call by reference damage or loss of data is not restricted to the subroutine, but will instantly lead to alters to th
Soccer player ER Diagram to Relational database schema
brief history,definition,current trends and future trends if any of data fragmentation
All edges of a cube are expanding at a rate of 6 centimeters per second. How fast is the surface area changing when each edge is (a) 2 centimeters and (b) 10 centimeters?
differences between a classified catalog and a dictionary catalog
need a DBMS system on any data for assignment.
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