We can alter an existing table structure visually with TablePlus, but we can do that using SQL too, using the ALTER TABLE command, followed by the alteration you want to make:
ALTER TABLE people ADD COLUMN born_year INTEGER;
This will add a new column with empty values:
We can drop a column in this way:
ALTER TABLE people DROP COLUMN born_year;
Lessons in this unit:
| 0: | Introduction |
| 1: | Using TablePlus |
| 2: | Create a Postgres database |
| 3: | Create a new table |
| 4: | Add data to a table |
| 5: | Query data with SELECT |
| 6: | Delete data from the database |
| 7: | Update data with UPDATE |
| 8: | Null constraints |
| 9: | Unique and primary keys |
| 10: | ▶︎ Updating a table structure |
| 11: | Joins |
| 12: | DEMO Using Vercel Postgres COMING SOON |
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