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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 DML specify what data is required without specifying how to obtain those data.
WHAT IS MEANT BY E-R MODEL
To do the division operation R1 ÷ R2, R2 should be a correct subset of R1. In the following example R1 have attributes A and B and R2 have only attribute B so R2 is a correct subse
What is Candidate Key Super Key or Candidate Key: It is such an attribute of a table that can uniquely recognize a row in a table. Generally they have unique values and can n
Consider the join of a relation R with relation S. If R has m tuples and S has n tuples, then the maximum size of join is: If R has m tuples and S has n tuples then maximum siz
The Form input elements are: Reporter name text type input Password
Explain differance between Primary and secondary storage ? Primary and secondary storage Computer storage is classified within primary(main) memory and secondary(per
List some security violations (or) name any forms of malicious access. A) Unauthorized reading of data B) Unauthorized modification of data C) Unauthorized destruction of
State the Object Design for Processing The object design phase comes after analysis and system design phase. The object design phase includes implementation details like as i
The ER diagram clearly showing the additional tables you have implemented. SQL table creation scripts for the tables you have set up. SQL scripts showing the sample data you
under what condition log based recovery is feasible?
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