This week's book giveaway is in the OCAJP 8 forum. We're giving away four copies of OCA Java SE 8 Programmer I Study Guide and have Edward Finegan & Robert Liguori on-line! See this thread for details.
Indeed, column types between database flavors are very similar. There are some syntactical and structural differences, but once you understand how to use, say, a variable character text data type, then the actual DBMS syntax can be looked up.