Cons. 1  Cannot span multiple databases... at least not easily. 2  All entities (tables, views, etc) need a primary key. 3  If you want to update a single column in a 100+ required columns table (not my table design), you have to pull down all 100 columns to make the update. Or use a Stored Procedure. I've had issues with some default values defined on SQL server not getting pulled into the entity model after a new record gets added. Usually this is with computed values, or values that get added in an INSERT Trigger On occasion, the SQL queries get badly written and are slow to execute.
Buying in advance is cheaper than buying at the station on the day and you could save an average of 43% on your train ticket. Advance tickets usually go on sale 12 weeks in advance, so the earlier you book the more likely you are to save.Ticket Alert.uying in advance is cheaper than buying at the station on the day and you could save an average of 43% on your train ticket. Advance tickets usually go on sale 12 weeks in advance, so the earlier you book the more likely you are to save. Ticket Alert.
However, if you want to book a seat you can do so without additional charges before you catch your train by going into a booking office at the train station (midori no madoguchi) and showing your Japan Rail Pass.Booking website are usually in Japanese only, and therefore not very easy to use for non Japanese speakers.f you are not catching your Shinkansen during peak hours (between 7 am and 9 am and 6 pm-8 pm), and during bank holidays, you do not need to book your seat and you can use any non-reserved seat by showing your Japan Rail Pass.