A key is a set of attributes that is irreducibly unique and non-nullable within a table.
I am not very familiar with databases and the theories behind how they work. Is it any slower from a …
sql database database-design string primary-keyI have a table with huge amount of data. I'd like to add extra column id and use it as …
sql sql-server cursor primary-keyIs there a way to get the name of primary key field from mysql-database? For example: I have a table …
php mysql primary-keyI create a view with following codes SELECT CONVERT(NVARCHAR, YEAR(okuma_tarihi)) + 'T1' AS sno, YEAR(okuma_tarihi) …
sql-server tsql primary-key sql-viewI have a table Messages with columns ID (primary key, autoincrement) and Content (text). I have a table Users with …
database sqlite primary-key auto-increment junction-tableI just think that the answer is false because the foreign key doesn't have uniqueness property. But some people said …
sql foreign-keys primary-keyI am not able to understand what Range / primary key is here in the docs on Working with Tables and …
hash amazon-dynamodb primary-key database nosqlCan we update primary key values of a table?
database oracle primary-keyIs there a measurable performance difference between using INT vs. VARCHAR as a primary key in MySQL? I'd like to …
mysql performance primary-key innodb myisamFor several reasons that I don't have the liberty to talk about, we are defining a view on our Sql …
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