I have an Oracle Express 10g database. In my table I have an auto-generated ID and I would like to know how I can find what the generat开发者_C百科ed ID is after an insert happens. I am currently usin
I am working Sql Server 2005 My table name is Customer, the attributes are Orderid Customerid Customeraddress
I\' was wondering should my primary key look like this PRIMARY KEY (id, category_id, posts_id) or look like this PRIMARY KEY (id)?
This may seem like a stupid question, but rest assured that I don\'t need general database help, but MS Access help specifically. This would not be a problem if I were working with any other database.
I\'ve created two JPA开发者_如何学Go entities (Client, InstrumentTraded) using Hibernate as a provider that have a ManyToMany relationship.After letting Hibernate generate the tables for MySQL it appe
I have a MySQL table which has three columns: Authority| MapID| Time ---------------------------------------------------------
I have an application that receives most of its data from a third party.One of these sets of data is a transaction list.I can\'t write to this service, but I want to add more information to that data
I have to work with a database to do reporting The DB is quite big : 416 055 104 rows Each row is very light though, just booleans and int ids.
All I know is only table name, and id value on which I want to perform query, but I do no开发者_Python百科t know what is id called in that table.You can probably lookup the column name for the primary
When an integer column is marked as a primary key in an SQLite table, should an index be explicitly created for it as well? SQLite does not appear to automatically create an index for a primary key co
加载中,请稍侯......