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What are called journaling file systems?
File systems that support log disks are known as journaling file systems.
A relation instance indicates as r is a collection of tuples for a given relational schema at a exact point of time. A relation state r of the relation schema R (A 1 ,A 2 ,.....
how the string works as keyword?
how to make an e r diagram?
Give an example of operations from the State Actions and Activities. For instance, in bank the activity verify account code and verify password
What is association? Give an example of association Association is used for establishing relationships among classes. Association describe links among/between classes. For exa
What is a super key? A super key is a set of one or more attributes that collectively permits us to recognize uniquely an entity in the entity set.
Which product produces the relation that has attributes of R1 and R2 ? Cartesian product produce the relation which has attributes of R1 and R2
Explain the conventions (relationships) for displaying an ER schema as an ER diagram.
An instance of relational schema R (A, B, C) has distinct values of A including NULL values. then A is a candidate key or not? If relational schema R (A, B, C) has distinct val
sir, could anybody help me in getting complete information about the mentioned topic
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