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Differentiate between join and outer join?
Outer joins return all rows from at least one of the tables or views mentioned within the FROM clause, as long as those rows get together any WHERE or HAVING search conditions.
All rows are retrieved from the left table referenced along with a left outer join, and all rows from the right table referenced in a right outer join. All rows from both tables are returned within a full outer join.
A table can be joined to itself within a self-join.
In which relational modes, cardinality is termed? Answer : Cardinality is termed in a number of tuples relational modes.
Probelm: (a) A distributed database (DDB) is a collection of multiple, logically interrelated databases which are physically distributed over a computer network" (i) Give a
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triggering
Scenario 1: Power goes out after the first instruction. What happens?
What benefits can a company gain by managing its own information infrastructure and servicea
Primary Index In primary index, there is a one-to-one relationship among the entries in the index table and the records in the major table. Primary index can be of two types:
By using the delete operation some consisting records can be deleted from a relation. To delete some definite records from the database a condition is also specified based on which
i am required to come up with entities relationships, optionality and cardinality from a scenario. there is a night club and bookings for a musician band
What is Cross Product? Simply Cross product is Binary Operator
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