PostgreSQL ALTER TABLE: Add Column, UPDATE WHERE, and DROP COLUMN Tutorial #2
In this quick tutorial, we cover essential PostgreSQL schema and data management commands. Learn how to modify your table structure and update specific rows using the exact sequence shown:
ADD COLUMN: Using ALTER TABLE ... ADD COLUMN to create a new column.
UPDATE WHERE: Using UPDATE ... SET ... WHERE to add data to specific rows.
DROP COLUMN: Using ALTER TABLE ... DROP COLUMN to remove a column you no longer need.
Keywords: PostgreSQL, psql, SQL Tutorial, Database Administration, ALTER TABLE, ADD COLUMN, UPDATE WHERE, DROP COLUMN, Modify Table
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