create er diagram from sql

" means that when we delete or update data from the primary key table, all rows of related data involved in the foreign key table are deleted or updated."Set NULL" means that when we delete or update data from the primary key table, the value of the foreign key column in the Foreign key table is set to NULL, provided that the column is allowed to be empty."Set default" means that if we define a default value for a foreign key column, the value of the foreign key column in the Foreign key table i

first queries the server-side object and then provides IntelliSense functionality when T-SQL is written.650) this.width=650; "title=" clip_image001 "style=" Border-top:0px;border-right:0px;border-bottom:0px;border-left : 0px; "alt=" clip_image001 "src=" http://s3.51cto.com/wyfs02/M01/57/BF/wKiom1SjyC7jZ0D2AAULgdVvlAc290.jpg "border=" 0 "height=" 325 "/>For logon events, after you create a simple server-lev