In PostgreSQL, the DROP COLUMN command is used with the collaboration of the ALTER TABLE command to drop single or multiple columns.
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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.
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PgLTS: Extended Support for EOL Postgres
