How do you use aggregate functions and group data in order to analyze and summarize data based on specified criteria?
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What are the various types of constraints that can be utilized to enforce data integrity and define rules for the values stored in database tables?
I want to create a view that acts as a virtual table representing the result of a specific query in PostgreSQL. Please give an example where a view is created based on the table, and then queried to ...
I’m using one DB for collecting data and display in tableau dashboard and the other is used for application purpose. Is it possible to have two postgreSQL database hosted to same server?
What is the difference between n_dead_tup and n_tup_del in pg_stat_all_tables in Postgres?
I have the string data of the format: Fri 10/07/23 12:30 PM. I want to convert this into a date type like 10-07-2023. I applied a date function to do this but got an error.
Can anyone tell me what is the Datum data type in PostgreSQL. I find this type is used in many places in PostgreSQL and Apache. What is the use of this data type?
How to perform data migration in PostgreSQL?
What is the difference between PostgreSQL and Greenplum?
How do you store the binary data in PostgreSQL?