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Why, generally does an object-oriented system use the relational DBMS? The reasons for using relational DBMS for OO systems could be any combination of following: a. Many or
Ask qu. Write a XML with database with book details (Book ID, Title, Author, subject, published year, language, vendor, and price).estion #Minimum 100 words accepted#
What is NULL? Simply NULL means not in value.
what is meant semantic query optimization? how does it differ from other query optimization techniques?
A database will be made to store information about patients in a hospital. On arrival, each patient’s personal details (name, address, and telephone number) are recorded where poss
What is association? Give an example of association Association is used for establishing relationships among classes. Association describe links among/between classes. For exa
Architectural standard: Designation : Architect , Consultant Job Profile : As a part of Oracle Fusion Middleware at Satyam, I am involved with Presales, Delivery, A
To delete a particular column in a relation which command is used ? To delete a particular column in a relation ALTER command is used.
Eliminate Redundant Data In the "Database Relation" above, the primary key is made up of the D-ID and the Emp-ID. The database-name relies only on the D-ID. The similar databas
What is persistency? Persistency ensures which data is stored and that after the object is no longer available (program stops running) the data will be available to other users
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