relational-database
MySQL relational database query, correct terminology?
I think my issue with databases stems from not knowing the correct terminology to help me find an answer myself so I\'ll explain a generic version of what I\'m doing and hopefully you can point some t[详细]
2023-03-25 21:11 分类:问答Retrieving Data From Associated Toxi Table
I\'m retrieving my data for part of my site with a typical MySQL query and echoing out the results from various fields etc etc from my main table whose structure is not important but which has a uniqu[详细]
2023-03-25 13:48 分类:问答SQLite many-to-many relationship?
I\'m trying to set up a SQLite3 database with foos and bars and a many-to-many relation between them. This is what I\'ve got so far:[详细]
2023-03-25 08:16 分类:问答Shared Entity in one to many database relationship
I have a database I\'m working on the des开发者_运维知识库ign for. I have manufacturers and I have distributors on separate tables containing practically the same information with few exceptions. Both[详细]
2023-03-25 07:39 分类:问答How to move data across tables with django?
Say I have three tables A, B, and C.A is the active table, B has a one2one relationship with A, and C is an archive table to store old A data.So in django I want to move a piece of data from A to C wh[详细]
2023-03-25 05:37 分类:问答Has_and_belongs_to_many in Rails 3
I\'ve tried to look through stackoverflow to remedy my situation but unfortunately I\'ve just made myself thoroughly confused.[详细]
2023-03-25 04:52 分类:问答Two tables One class
Problem: Two tables One class can anyone help me map declaratively Order with hibernate in order.hbm.xml ??[详细]
2023-03-24 16:31 分类:问答How can I improve this database model?
I\'m trying to model the relationship of dvd sales and dvd rentals to a customer. Although I dont think my transction table is correct. If anyone can let me know if I\'m goin in the right direction wi[详细]
2023-03-24 14:48 分类:问答Qt: viewing data from tables with foreign key columns pointing to multiple other tables
I have a table Thingsies, with columns id, data1, otherTableId, otherTableRowId. I need the last 开发者_JAVA百科two columns instead of just a foreign key column because depending on the Thingy the typ[详细]
2023-03-24 13:53 分类:问答Enforce Multiple Relationships Between Two Tables In Access
I want to create (and enforce) multiple \"one-to-many\" relationships between the primary key of one table to attributes of another.[详细]
2023-03-24 11:12 分类:问答