New posts in primary-key

Change Primary Key

Primary key for multiple column in PostgreSQL?

is primary key automatically indexed in postgresql? [closed]

Determine a table's primary key using TSQL

Why can I create a table with PRIMARY KEY on a nullable column?

Should I have a dedicated primary key field?

Hibernate, alter identifier/primary key

Multi-Column Primary Key in MySQL 5

Composite Primary Key On Table Variable In Stored Procedure

Composite Primary Key performance drawback in MySQL

make an ID in a mysql table auto_increment (after the fact)

Best way to reset an Oracle sequence to the next value in an existing column?

How can I set two primary key fields for my models in Django

How to reset the primary key of a table?

CREATE TABLE AS with PRIMARY KEY in one statement (PostgreSQL)

MySQL - Meaning of "PRIMARY KEY", "UNIQUE KEY" and "KEY" when used together while creating a table

MySQL: #1075 - Incorrect table definition; autoincrement vs another key?

GUID vs INT IDENTITY [duplicate]

SQL Server: how to add new identity column and populate column with ids?

SQL: set existing column as Primary Key in MySQL