New posts in Primary Key

Does ordering by auto-incrementing PK ensure chronological order?

When the primary key is also the foreign key, in Postgres

How to get the ignored row while IGNORE_DUP_KEY is ON on SQL Server?

No Primary Key in some sql server tables

When should a primary key be meaningful?

Choosing primary keys: Scientific names of species or system-assigned numeric identifiers?

Should I avoid adding a clustered key to a table with high throughput

How is this SQL Server PK violation possible?

Autoincrement vs composite primary key for a big table on innodb

How to enforce uniqueness of compound primary key made up of two foreign keys to the same table?