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Natural Join: It is the similar like Equi join except one of the duplicate columns is removed in the result table. The natural join is the most usually used form of join operation.
Example :
SELECT CUSTOMER.CUTOID, CUSTONAME, ORDERID FROM CUSTOMER, ORDER
WHERE CUSTOMER.CUSTOID=ORDER.CUSTOID;
Output will be:
custoid custoname orderid
----------- --------------------- ----------
10 Pooja Enterprises 1001
12 Estern Enterprises 1002
3 Impressions 1003
Which data type can store unstructured data? Raw data type can store unstructured data.
wh
Differentiate between a unique key and a primary key. - By default, clustered index on column are created by primary key while nonclustered index are created by unique key.
What is Specialization? Specialization: Specialization permits you to describe new types of information (new structural types or latest domains of information), although reusin
how the string works as keyword?
Differance between Open addressing and chaining for collision resolution ? In open addressing , proceeding from the occupied position specified by hash address the program che
explain participation constraints with examples
What are the drawbacks of shadow-paging technique? The drawbacks of shadow paging is:- a) Commit Overhead b) Data fragmentation c) Garbage collection
Consider the following six relation schemes and their corresponding sets of functional dependencies. In each case identify a. All the candidate keys b. The highest normal for
Although how will the system recover The selection of REDO or UNDO for a transaction for the recovery is completed on the basis of the state of the transactions. This state is
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