In PostgreSQL, the DROP COLUMN command is used with the collaboration of the ALTER TABLE command to drop single or multiple columns.
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 Add Columns to a Table in PostgreSQL
In PostgreSQL, the ADD COLUMN command/statement along with the ALTER TABLE clause is used to add single or multiple columns to a table.
How to use the ALTER TABLE command in PostgreSQL
In PostgreSQL, the ALTER TABLE command serves multiple functionalities on a table like adding a column, dropping a column, renaming a table/columns, etc.
How to drop a table in PostgreSQL
To drop/delete a table from the PostgreSQL database, open the SQL SHELL and type the DROP TABLE command followed by the table name.
How to drop a database in PostgreSQL
Execute the DROP DATABASE command from psql while dropdb command from the command prompt to remove/drop any specific PostgreSQL database.
How to select/access a database in PostgreSQL
There are multiple ways to select or access a PostgreSQL database, such as Command Prompt (cmd), SQL SHELL (psql), and pgAdmin 4.
How to download and install PostgreSQL
Download PostgreSQL “exe” file > open downloaded file > specify installation directory > select components > select directory > set password > and install.
How to Create a Table in PostgreSQL & Perform CRUD Operations
Tables in PostgreSQL can be created following the syntax discussed in the article. You can insert, update, read, and delete data from the table with the help of queries.
Get Postgres Help!
PgLTS: Extended Support for EOL Postgres
Podcasts
