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Explain I command in QBE ?
I : It is the command in QBE that is used to insert tuple (s) into the database
Benefits and limitations
usecase diagram,activity diagraM,SEQUENCE DIAGRAM
Due date for May 8
Gyan Gurukul is a software company that provides software related solution. Ashutosh Dubey who is the director of Gyan Gurukul want a three-level schema architecture for the Gyan G
Differance between procedural and non procedural DML? Procedural and non procedural DML Procedural DML exactly what data is require and how to obtain those data. Non procedural
What are stand-alone procedures? Procedures that are not part of a package are called as stand-alone because they independently defined. A good example of a stand-alone procedu
What are the different integrity constraints in RDBMS? The various integrity constraints in RDBMS are as: Primary Key: primary key is a grouping of one or more attributes
What is DDL? Make a list of commands with short description used in DDL Ans: Data Definition Language that is abbreviated as DDL is a computer language for defining data struct
Can a filed occur in several field groups. Yes. But it leads to redundant data redundancy.
What is object identity? An object retains its identity even if some or all the values of variables or explanations of methods change overtime.
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