Simple question- Belo开发者_如何学JAVAw is the database design to hold the following records accountTransactionTypeTransactionNameAmountFeeTransactionIdTransactionIdRefTransactionId
When developing large systems (hundreds of tables) Do you create the indexes (and to lesser extend the other constraints in the DB) when you create the entities (tables), or wait for the system to b开
Sorry for the title, it\'s difficult to explain. I need a data model similar to this: As you can see, a set can belong to both a user or a school. My problem: It should only be allowed to belong ei
I have a legacy table that has as a part of its natural key a column named <table_name>_IDENTIFIER and it seems like it would be confu开发者_如何学Pythonsing to create a surrogate key named <
I have a webapp that I\'m building, and have just started with SQLite.I have been able to create my form, open the database I created, create the table, and fields i need, and enter data into the fiel
开发者_JAVA百科Is it better way to index a table ?Most relational databases are capable of creating and maintaining a index.
I am interested in suggestions for building an efficient and robust structure for indexing products in a new database I am building (i\'m using MySql)
So, the modern concept of the buddy list: Let\'s say we have a table called Person. Now, that Person needs to have many buddies (of which each bu开发者_开发百科ddy is also in the person class). The mo
I have the following 2 tables in MySQ开发者_开发百科L: Customer(Id, Firstname, Lastname...) Bonus(Id, CustomerId, Value, ...)
I have a bunch of tables whose primary key is made up of the foreign keys of other tables (Composite key).
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