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What is the aim of object design The aim of object design is to identify object which the system contains and the interactions among them. The system implements specification
Explain how the object classes are mapped to tables. Each object class maps to one or more than one tables in the database. The objects in the class may be partitioned horizont
basic structure of xml
This project will involve designing and creating a database for an organization. In the design of a database, there is no single "perfect" design. So your database design may not
the of super market system done in database
To delete a particular column in a relation which command is used ? To delete a particular column in a relation ALTER command is used.
What is Oracle databse structure? Oracle database structure: The relational model has three main aspects: Structures: Structures are well-defined objects which store th
Define Two phase commit Two phase commit: To make sure atomicity, all the sites where a transaction is being executed must agree on the final outcome of the execution. The tran
Describe the statement in SQL which allows to change the definition of a table? In SQL Alter statement is used to allow the changes the definition of a table.
what is Mapping Constraints? with examples
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