Lab Sql

My innodb table has the following structure: 4 columns (CountryID, Year, %Change, Source), with the… Read more How To Delete Multiple Rows With 2 Columns As Composite Primary Key In Mysql?

I have two parent tables: Treatment and Visit. Treatment table: create table Treatment ( Trea… Read more Sql. How To Reference A Composite Primary Key Oracle?

I have two tables that have foreign keys to each other's primary key. This DB is in French. I w… Read more What Kind Of Relationship Is Between These Tables?

I have created the following 3 tables using the following code. CREATE TABLE BUILDING( BUILDINGNO C… Read more How To Reference A Composite Primary Key In Sql

I get this error when using linq-to-sql with timestamp as part of a composite primary key: 'The… Read more Timestamp As Part Of Composite Primary Key?

I have a composite primary key {shop_id, product_id} for SQLite Now, I want an auto-increment value… Read more Autogenerate Composite Key In Sqlite