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what is cascading? what is rollback cascading? please explain in detail
WHAT IS DSS? WRITE ITS REQUIREMENTS.
Construct a clean ans concise ER diagram for the database indicating the cardinality mapping for Employee management syatem
What is nested relational model? The nested relational model is an extension of relational model in which domains might be either atomic or relation valued.
Create centralized relational database using bottom up method. (a) Recognize a single un-normalized relation for the above scenario. (b) Recognize the primary key for
Timestamp Ordering Protocol A timestamp is a tag that can be attached to any transaction or any data item, which indicates a specific time on which the transaction or data item
Special comparison operator used in where Clause a. between. ...and...It gives range among two values (inclusive) Example: SELECT ENAME, SAL FROM EMP WHERE SAL BETWE
A student entity type has the following attributes,name..
In which relational modes, cardinality is termed? Answer : Cardinality is termed in a number of tuples relational modes.
There are a number of possible solutions to the open ended brief. One of the simple ones is shown here without the PKs and FKs. It is important to think of how a number of tasks
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