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Whst is logical schema ?
Logical schema is the entire database.
Problem 1 Why are the operational system keys not recommended for forming data warehouse primary keys? Give any two examples 2 Explain the following performance tuning techn
What are the three fundamental operations that are regular to MySQL Programs? a) Establishing a connection to the MySQL server b) Choosing a database. c) Disconnecting fr
Why a report generator is used ? Report generator is used for print files on paper.
Question: AirwaysCentre, an international airline booking company currently uses a relational database system for their operations, which includes the following relations: P
Section A: Use the following tables to create a database called College. Use SQL commands. Student stuid(primary) lastName firstName
what is primary key
What is Foreign Key Foreign Key: Sometimes we may have to work with an attribute that does not have a primary key of its own. To recognize its rows, we have to use the primar
4. Describe three ways to handle missing field values
what are the purposes of dbms in details
With the help of a suitable diagram gives module wise explanation of system architecture of DBMS.on..
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