Database Tutorials MSSQL, Oracle, PostgreSQL, MySQL, MariaDB, DB2, Sybase, Teradata, Big Data, NOSQL, MongoDB, Couchbase, Cassandra, Windows, Linux 
If you are reading this article, you should read my articles “What is Primary Key And Foreign Key” and “What is Unique Constraint” at first. …
Read More »
Tag Archives: write any one similarity and one difference between primary key and unique constraint