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In which form of relational database developer refers to a record?In a tuple form of relational database developer refers to a record.
What are axioms? Axioms or rules of inference give a simpler technique for reasoning about
WHAT IS SQL
Define Partial Key and Primary Key A partial key, also known as discriminator, is the set of attributes which can uniquely identify weak entities that are related to similar o
What is called block-level striping? Block level striping stripes blocks across many disks. It treats the array of disks as a large disk, and provides blocks logical numbers
If R1 and R2 are two relations or functions, then the result of R3 = R1 × R2 is the combination of tuples that are in R1 and R2. The product is associative and commutative. Degr
Which data type can store unstructured data? Raw data type can store unstructured data.
explain ANSI SPARC architecture
Example -Find the employee name, salary, department number and average salary of his/her department, for those employees whose salary is more than the average salary of that depart
Java program for horrizontal fragmentation in distributed database
Problem : AirwaysCentre, an international airline booking company currently uses a relational database system for their operations, which includes the following relations: P
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