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Tech Mahindra SQL PLSQL Interview Questions
Questions Answers Views Company eMail

what is the difference between trigger and storedprocedures

16 17872

What are the default Oracle triggers??

2 11364

What is the difference between DELETE and TRUNCATE?

15 12495

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

4 4578

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

2 4320

how do you count the duplicate records in a table

9 9825

how u can find the n row from a table?

19 14616

what is the difference between implicit and explicit trigger

2 12174

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

5 9020

What is mutating trigger?How to avoid it??

3 8456

what is the difference between cursor FETCH and FOR LOOP ?

3 16442

What is a mutating table

4 5242

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

2 5371

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 4624

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Un-Answered Questions

what is the configuration steps of letter of credit?

759


What is the diffrent job&project accounting?

437


I had completed my diploma in electronics and communication. Currently am working with a pvt. ltd. (with two years of experiences) company which makes panel using plc, VFD(drivers) and scada monitoring system. so should i get supervisor licence for my supervisor post???

456


sir i m preparing for BARC but i am not getting any papers to prepare for this exam so please send me some sample papers to my i.d for the preparation of barc.

915


In general, how many Fact & Dimension tables are present in a Banking Data warehouse project ?

878


in govt polytechnic lecturers tell me what is the expected cut off for ece after the interview list announced

566


How to change video files randomly after completing its execution in Javascript?

792


What is Response time of a thermocouple and a PT 100

702


What is ferro-resonance in electrical system? Why it occurs and what are measures to prevent it?

843


Relation between LOD and tablet compression

2559


what value is returned to operating system after program execution?

598


Whata are the types of Cables?

501


Diff b/w Crossproduct and Outerjoin?

810


what are the test requirment fot protocol testing (for SS7,SIP)

1799


why should i select to you foe the college?

605




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