I have a table with contacts and another one with message. In the message table I have a cell where I keep a serialized string of IDs of those members that the message was sent to.
This question is unlikely to help any future visitors; it is only relevant to a small geographic area, a specific moment in time,or an extraordinarily narrow situation that i开发者_运维问答s not g
I have a database, I have to maintain compatibility with SQL Server 2005 and I\'ve been thinking about ways to reduce complexity and deal with performance issues.
I have a main pricelist which is defined something like periodstart periodendprice 2011/01/012011/05/3050
I\'m trying to create spatial开发者_JS百科 index over table column (bbox polygon default NULL) but get error: All parts of a SPATIAL index must be NOT NULL.
I\'m building a streaming music service that will have features like: Follow users Like songs Create and manage playlists
In SO question 7531153, I asked the proper way to split a Django model into two—either using Django\'s Multi-table Inheritance or explicitly defining a OneToOneField.
In the initial \'version\' of the application that I\'m working on, a design consideration wasn\'t taken into account - no one thought of it.
Need to store date as \'20111013152623\'(yyyyMMddHH开发者_如何转开发mmss)format in database. Which datatype should I use for column and let me know the simple insert query for the datatype.
This is BestPractice question (or at least I hope it is). EDIT: This example is just to clarify the problem. It could be Person, Office, ContactInformation.
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