Go to Table tree node -> Right click -> Create table -> Add Column with integer,decimal,numeric,smallint,bigint datatype
Go to ER-Modeler menu -> Select Generate -> Select mysql database from database type -> Click on OK -> ER-Diagram Generator window open -> Click on NEXT
Add new table in ER-Modeler -> Open Table Properties window -> Add column with integer,decimal,numeric,smallint,bigint datatype
In ER-Modeler Table Properties for this all mentioned datatype display different Precision and scale in Column Parameters than Create Table GUI.