Why do we need a foreign key?
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what is outer join? what is selef join? what is difference between them? what is cartecion join?
1 Answers Fiserv, Herbinger, Synechron,
Create a procedure to delete certain records from a table and display the total number of records deleted in this process. (Condition for deletion can be of ur choice, for instance delete all records where eid='')
what is the difference between the query and corelated query
8 Answers HSBC, IBM, TCS, Xenosoft,
Differentiate between % rowtype and type record.
What is a Mapplet?
What is field delimiter?
What is Collation Sensitivity ? What are the various type ?
What are wait events. Describe the wait event tables.
What is primary key and unique key?
What is a mutating table
Which function is used to return remainder in a division operator in sql?
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