Postgre Interview Questions
Questions Answers Views Company eMail

what is the advantage of RAID

Wipro,

4 6068

when will data in the data base is updated

IEG,

3 3009

how to find nth lowest salary

4 12030




what is software?

1 1961

get second maximum date from tables.

1 1824

i have three table 1. student (stuid,name) 2. subject (subid,sname,studid) 3. marks (subid,studentid,marks) i want the reslut of how as got max marks in each subject sudentname,max(marks), name abc,70,nikitha

CMC,

1 1437

This message is received in response to the query SELECT * FROM JA_Party. I would like to know what am I doing wrong. ERROR: relation "ja_party" does not exist LINE 1: SELECT * FROM JA_Party ^ ********** Error ********** ERROR: relation "ja_party" does not exist SQL state: 42P01 Character: 15

1 576

What are the common bugs found while migrating to MySQL db to Postgre?

1 810




What is inverted file ?

375

What can be used in PostgreSQL to send messages to the front-end, and optionally terminate the current query being processed?

1 869

How is the statistics in PostgreSQL updated?

1 835

What is the option that can be used in PostgreSQL to make transactions see rows affected in previous parts of the transaction?

311

What is the Maximum size for a table in PostgreSQL?

386

PostgreSql Disadvantages

AFDD,

631

What are the character types that are available in postgresql?

369


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Un-Answered Questions { Postgre }

What is the option used in PostgreSQL to increase the number of shared memory buffers shared among the backend processes

369


Why Update is too slow

353


What is inverted file ?

375


How many byte Unique integers does OIDs in PostgreSQL have?

353


What is the command or the option available in postgresql that can be used to retrieve the next SERIAL value from the sequence object?

406






What is the powerful database utility that can be used for building, executing and processing queries upon PostgreSQL databases?

461


What is the command that can be used to allocate memory in postgreSQL?

353


What is the Maximum size for a table in PostgreSQL?

386


Does PostgrSQL support Column constraints? If so how is it done?

336


What does GEQO stands for in PostgreSQL?

394


PostgreSql Disadvantages

631


What does the option psql -l of PostgreSQL display?

336


What is the option that can be used in PostgreSQL to find out how the query optimizer is evaluating the query given?

316


What is the operator that is used for case-insensitive regular expression searches in PostgreSQL?

315


What is the option that can be used in PostgreSQL to make transactions see rows affected in previous parts of the transaction?

311