PostgreSQL offers robust mechanisms for automatically generating unique identifiers, commonly used for primary keys. This tutorial … Auto-Incrementing Primary Keys in PostgreSQLRead more
identity
Retrieving Inserted Identity Values in SQL Server
Retrieving Inserted Identity Values in SQL Server When inserting data into a SQL Server table with … Retrieving Inserted Identity Values in SQL ServerRead more
Understanding Object Identity and Equality in Python
Understanding Object Identity and Equality in Python In Python, determining if two variables refer to the … Understanding Object Identity and Equality in PythonRead more
Understanding SQL Identity Functions: Retrieving the ID of an Inserted Row
Introduction When working with databases, particularly in SQL Server, you often need to retrieve the identity … Understanding SQL Identity Functions: Retrieving the ID of an Inserted RowRead more
Generating Unique Identifiers in Oracle Databases
Oracle databases, prior to version 12c, didn’t offer a direct equivalent to the AUTO_INCREMENT feature found … Generating Unique Identifiers in Oracle DatabasesRead more