In Postgres, various tools, such as the “SQL Shell”, “pgAdmin”, and “Command Prompt” are used to connect to a Postgres database server.
Education
Professional Postgres and Open Source support
Command Prompt, Inc., is the oldest Postgres Company in North America and one of the oldest Open Source firms still operating today. We serve our clients with best in class expertise and professionalism. You can read more about support and services here:
- Postgres Support
- PgLTS: Extended Support for EOL Postgres
- Open Source Full Stack Support
- Try the latest PgManage (Open Source) and get rid of PgAdmin!
You have landed at the largest single source of Postgres education blogs in the world. At Command Prompt, we believe deeply that the education of the community is critical to the continued success of Postgres and related technologies. We hope you find content you are looking for and don't hesitate to Contact us today for all your Postgres and Open Source consulting and support needs.
How to Find Difference Between Two Dates in PostgreSQL
In Postgres, the “-” operator and the AGE() function are used to find the date difference. The “-” operator returns an integer while the AGE() function returns an interval.
How to Return Data from Modified Rows in PostgreSQL
In PostgreSQL, use the RETURNING clause with the UPDATE, DELETE, or INSERT commands to return the modified rows.
PostgreSQL Timestamp Data Types With or Without Precision
In PostgreSQL, to get a timestamp without precision, users need to specify “0” as an argument to the timestamp data type or timestamp functions.
How to Select All From a Table in PostgreSQL
The SELECT statement is executed with the “*” symbol to select all data from a particular Postgres table. Use the ORDER BY clause with the SELECT * command to sort a table in a specific order.
How to Compare Dates in PostgreSQL?
To perform the date comparison in Postgres, the “BETWEEN” clause, the “DATE_TRUNC()” function, and the basic comparison operators like “=”, “!=”, “>=” etc., are used.
PostgreSQL JSON_AGG() Function By Practical Examples
In PostgreSQL, the JSON_AGG() function is used to combine multiple values into a single JSON array. The return type of the JSON_AGG() function is JSON.
PostgreSQL ALTER DATABASE Statement
Postgres’ ALTER DATABASE command modifies the already existing databases, such as renaming a database, modifying the database attributes, changing the database ownership, etc.
How to Set Windows PATH for Postgres Tools
To set Windows PATH for Postgres tools, open System Properties > “Environment Variable” > “Path” variable > “Edit..” button > “NEW” button > specify Postgres bin directory’s path > hit the “OK” button.
Different Methods to Copy or Clone a Table in PostgreSQL
In Postgres, different commands, such as CREATE TABLE AS SELECT, CREATE TABLE AS TABLE, etc. are used to duplicate a table with or without data.
Get Postgres Help!
PgLTS: Extended Support for EOL Postgres
Podcasts
