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What is the meaning of Data independence? Data independence means a programs that are not dependent on the physical attributes of data and a programs that are not dependent on
A field-groups statement or an insert statement reverses storage space and transfers values. False.
What are the three classes of SQL expression? SQL expression consists of three clauses: Select From Where
Define deadlock prevention. Deadlock prevention is a set of methods for ensuring that at least one of the four essential conditions like mutual exclusion, hold and wait, no pre
Importance Of File Organisation In Database To execute a database efficiently, there are various design tradeoffs needed. One of the most vital ones is the file Organisation. F
i need help for assignment ..
Normalize the given relation to 3NF, justifying each step
for the following business rules . Identify all entities, attributes, relationships, primary keys, cardinalities and constraints where appropriate 3. (9) An art museum owns a larg
Types of data independence Data independence can be classified into the following two types: Physical Data Independence: This means that for any change made in the physi
Attribute Preservation This is a easy and obvious necessity that includes preserving all the attributes that were there in the relation that is being decomposed.
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