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Give some encryption techniques?
A) DES
B) AES
C) Public key encryption
What is foreign key? Foreign Key - Let there are two relations in tables R and S. Any candidate key of the relation R that is referred in the relation S is known as the forei
waht is a repeating group?
Define database management system? Database management system (DBMS) is a set of interrelated data and a combination of programs to access those data.
What is Trigger? Trigger: A database trigger is procedural code which is automatically executed in response to specific events on a particular table in a database. Triggers can
Candidate Key: In a relation R, a candidate key for R is a subset of the set of attributes of R, which have the differnt two properties: (1) Uniqueness: N
What is known as sequential file organization? In the sequential file organization, the records are kept in sequential order, according to the value of a "search key" of every
Describe the host language? Host Language: You could write applications along with SQL statements embedded inside a host language. The SQL statements give the database inter
#what is cursor its uses ? Explain it
Question: AirwaysCentre, an international airline booking company currently uses a relational database system for their operations, which includes the following relations: P
When every condition appears with equality condition (=) only. c) Natural join (denoted by R*S) When two join attributes have the similar name in both relations. (Tha
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