MS SQL

https://docs.microsoft.com/en-us/sql/relational-databases/databases/view-a-list-of-databases-on-an-instance-of-sql-server?view=sql-server-ver15 

SELECT name, database_id, create_date FROM sys.databases ; GO 

SELECT name FROM sys.databases ;

USE AdventureWorks2012;

SELECT DATEADD(month, 1, '20060830');

UPDATE column SET am=DATEADD(month, 1, column)