New posts in Alter Table

How can I set a column to NOT NULL without locking the table during a table scan?

How do I move all tables from one Postgres schema to another

Does ALTER TABLE - ADD COLUMN lock the table?

Will altering an nvarchar(max) column to nvarchar(50) lock the table?

mysql - ALTER IGNORE ADD INDEX removed in mysql 5.7.4 - What to use instead?

alter column size take very long time?

Does alter column change datatype use tempdb version store?

Database "frozen" on ALTER TABLE

How to add a column with a foreign key constraint to a table that already exists?

Changing a column from NOT NULL to NULL - What's going on under the hood?