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PostgreSQL RIGHT() Function: Extract Characters From the Right of a String

The RIGHT() function takes a string and the number of characters to extract as arguments and retrieves the extracted/modified string.

How to Describe Postgres Tables Using SQL Shell (psql)

SQL Shell supports various commands and queries to describe the Postgres tables, such as “\d”, “\d+”, information_schema, etc.

PostgreSQL LEFT() Function: Extract Characters From the Left of a String

The LEFT() function takes a string and the number of characters to extract as arguments and retrieves the extracted/modified string.

How to Perform Division in PostgreSQL

Postgres offers several built-in functions and operators that are used to perform division on different numeric values, such as the “/” operator, DIV() function, MOD() function, etc.

INITCAP: How to Capitalize the First Letter of Every Word in PostgreSQL

The INITCAP() is a built-in string function that accepts a string as an argument and converts the first letter of every word into uppercase and the remaining letters into lowercase.

Citus Configuration for PostgreSQL sharding

Welcome back to our Citus blog series! Previously, we introduced Citus, reviewed use cases, reviewed Citus structure, and installed Citus alongside PostgreSQL 14. This post will focus on configuring settings to make sure Citus is communicating between all instances.

How to Get Day Names in PostgreSQL

To extract the day name from a specific date, you need to pass the date/timestamp as a first argument and a valid day format as the second argument to the “TO_CHAR()” function.


In PostgreSQL, the ORDER BY clause is used with the RANDOM() function to get the random data from large tables.

PostgreSQL ARRAY_AGG() Function With Examples

The ARRAY_AGG() function in Postgres is an aggregate function that takes a column as input and returns an array of values from all the rows in the specified group.

PostgreSQL TIMEZONE | Explained With Examples

In Postgres, a time zone represents a region of the earth with a uniform standard time. Time zones allow us to convert local time to UTC or vice versa.