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Tech Mahindra SQL PLSQL Interview Questions
Questions Answers Views Company eMail

what is the difference between trigger and storedprocedures

 16 32487

What are the default Oracle triggers??

 3 19359

What is the difference between DELETE and TRUNCATE?

 15 25233

i have doubt that any one tell ref cursor comes in sql pl/sql? pls clarify?

 4 9944

what is the need of the cursor attribute notfound..(because using found attribute we can complete the task......found + negation operator = not found )

 2 8192

how do you count the duplicate records in a table

 10 18931

how u can find the n row from a table?

 19 29563

what is the difference between implicit and explicit trigger

 2 22976

can we delete the trigger in a view? if yes why if not why?

 5 15609

What is mutating trigger?How to avoid it??

 3 13949

what is the difference between cursor FETCH and FOR LOOP ?

 3 25762

What is a mutating table

 5 11214

Write a procedure to return the month and the number of developers joined in each month (cursor )

 2 9656

Practice 1: Changes to data will only be allowed on tables during normal office hours of 8.45 in the morning until 5.30 in the afternoon, MONDAY through FRIDAY. A. Create a procedure called SECURE_DML that prevents the DML statement from executing outside of normal office hours, returning the message: “you may only make changes during normal office hours” b. Create a statement trigger on the PRODUCT table which calls the above procedure. c. Test it by inserting a new record in the PRODUCT table.

1 11785

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Tech Mahindra SQL PLSQL Interview Questions


Un-Answered Questions

I am using an Oracle 8i Database my data contains Clob data. I am using toad version 7.6 i am able to get the data in toad but unable to extract the data in excel.when trying to extract the data into the excel the toad error says out of memory. Can any body please help me to extract the data through the same toad version. Thanks in advance

2327

What is mvc routing?

1

What is the keyboard shortcut for the brush tool?

757

What is ansible task?

1

Is kali linux good for beginners?

859

How do you insert a placeholder in word?

607

Which jdbc driver type s is are the jdbc odbc bridge?

880

How to create a calculated field in tableau?

430

What is a feasibility study?

1243

Can you insert NULL in unique column?

1167

How goodwill is accounted for the first time in a company .

2074

In which T-state does the CPU sends the address o memory or I/O and the ALE signal for Demultiplexing

1538

What are different types of join?

1319

How to communicate via Remote proxy with Client? a)MarshalByRef b)Marshal by Value or Any thing else?

2019

Are entity beans allowed to create() methods?

1059