Explain the working of foreign key?
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How will you debug your procedure? If your procedure is around 2000 lines and the expected output is 10 and we get only output 5.So how will you debug it? Somebody pls give the correct answer?
How does an execution block start and end in pl sql?
what is the purpose of update command in oracle?
write a qurey for finding the length of the sting.
What is cursor in pl sql?
Is there any problem if we use commit repeatedly after each dml statement in a plsq procedure ? (eg. there are 10 update stmt and using 10 commit stmt after each update stmt)
What is user in sql?
display records from 5 to 9 using rowid or rownum
What is a schema in sql?
What is scope and visibility in PL/SQL?
What are sql triggers used for?
what is sql server agent? : Sql dba
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