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Protech Interview Questions
Questions Answers Views Company eMail

what is serilization?

 6 12175

Speak on your unforgettable or memorable day for two minutes?

 82 677362

Difference between Triggers and Stored Procedure

 23 66945

what is uniary operators and binary operators and what is the difference

 1 6393

Where can i get Latest Microsoft .Net Certification Dumps & what Types of .Net Certifications are there?

 2 13331

Write a c program to build a heap method using Pointer to function and pointer to structure ?

 2632

Write a program to add a given duration with time(24hrs format)

1 4395

Table1: Col1 col2 1 2 10 3 4 89 5 6 Table:2 Col1 col2 3 2 9 5 4 7 6 87 With the help of table1 and table2 write a query to simulate the fallowing results. Output1: Col1 col2 1 2 2 3 3 4 4 5 5 6 Output2: Col1 col2 2 3 10 4 5 89 6 7 1.Write query for single row to multiple row using sql statements. Eg:a,b,c,d,e,f Change to A B C D E F 2. Write query for multiple row to single row using sql statements. Eg2 A B C D E F Change to Eg:a,b,c,d,e,f Table1: Col1 col2 8 5 2 9 4 2 5 1.Write a query to select all the rows from a table1,if the value of A is null then corresponding B’s value should be printed in A’s value.if the value of A is null in that table then corresponding B’s value should be printed as 30. 2. write a query to find the sum of A and B .display the max among both. 3.write a query to find total number of rows from table 1. Note: if any column value is null in a row then that row should be considered as 2 rows. 4.write a query to display all the records of table1 except A containg 2 as well B containg 5. 5.rewrite the fallowing without using join and group by. Select b.title,max(bc.returneddate –bc.checkoutdate)” mostdaysout” From bookshelf_checkout bc, Book shelf B Where bc.title(+)=b.title Group by b.title. 6.rewrite fallowing query Select id_category from category_master X where exists (select 1 from sub_category Y where X.id_category=Y.id_category) Customer: Name phone1 phone2 phone3 bitwise A 23456 67890 12345 --- B 67459 89760 37689 --- Don’t_call Col1 67890 37689 1.q) update the customer table of bitwise with 1 or 0. Exists in don’t_call table menas show -1 Other wise -0. Output. Name bitwise A 010 B 010

2012

Question asked in prototech first round

 962

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Protech Interview Questions


Un-Answered Questions

What are the uses of database management system?

488

Tell me a scenario where did you use secondary index?

629

How do you remove duplicates in java?

523

What is code review?

598

You look at your fragmentation report and see that smon has not coalesced any of you tablespaces, even though you know several have large chunks of contiguous free extents. What is the problem?

271




What is is_null() in php?

585

Exchange group policy notes, what should I do?

671

How do you make an rss feed?

453

What is Calibration Curve?

663

Tell me angular js date calendar with example?

433

What are c++ manipulators?

610

How is the inverter circuit classified based on commutation circuitry?

753

Why Software testing is important?

1252

Which isolation level provides maximum concurrency?

664

Explain the folder structure of codeigniter.

285