DB2 - ALTER table ADD column with unique default value (UUID)...

Oracle: How to change column data type from VARCHAR to NUMBER without losing data...

Change column Timezone to Time...

How to rename auto-named column...

Snowflake External Table : Add new column...

How can I update the table in SQL?...

How to update multiple tables at the same time in Postgresql?...

Re-partition table from scratch, in Oracle...

How to add an additional column in a database table in Sqlite?...

SQL Server, add field and view...

ADD column if none exists in MySQL...

how to modify the size of a column...

SQL Server -- Any way to add a column and make it first column in table?...

SQL alter column datatype from nvarchar to int...

Incorrect railroad diagram for ALTER TABLE with multiple out-of-line constraints?...

Add a column if it doesn't exist to all tables?...

Chunking a table for a batch update of timestamptz to timestamp...

How do I alter my existing table to create a range partition in Oracle...

Best way to add a new column with an initial (but not default) value?...

MySQL: How to modify a column to add property "On Delete Cascade"?...

Warning: A long semaphore wait...

Add tablespace for existing table in DB2...

Is adding a column and a constraint at the same time while modifying an Oracle table possible?...

MySQL alter two column for same foreign key...

ADD COLUMN with forced DECIMAL type for computed column...

How do I make changes to a "live database"?...

How to change MySQL column definition?...

Add primary key to PostgreSQL table only if it does not exist...

Safely alter a column in MySQL 5.5...

Rails Migration, how to add multiple columns to a table in batch mode...