Postgre Interview Questions
Questions Answers Views Company eMail

what is the advantage of RAID

Wipro,

4 6031

when will data in the data base is updated

IEG,

3 2977

how to find nth lowest salary

4 11923




what is software?

1 1936

get second maximum date from tables.

1 1798

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 1410

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

1 550

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

1 782




What is inverted file ?

364

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

1 845

How is the statistics in PostgreSQL updated?

1 779

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

296

What is the Maximum size for a table in PostgreSQL?

373

PostgreSql Disadvantages

AFDD,

619

What are the character types that are available in postgresql?

360


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Un-Answered Questions { Postgre }

What is inverted file ?

364


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

300


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

327


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

296


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

355






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

342


Why Update is too slow

335


How many byte Unique integers does OIDs in PostgreSQL have?

336


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

307


What are the character types that are available in postgresql?

360


What is the Maximum size for a table in PostgreSQL?

373


What does the option psql -l of PostgreSQL display?

321


PostgreSql Disadvantages

619


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

391


What does GEQO stands for in PostgreSQL?

380