MySQL
Primary Key vs Unique Key
A primary key cannot allow null and can only be created once in a table. A unique key allows null and can be created multiple times in a table. The keys play an important part when it comes to storing and... |
Delete vs Truncate
DELETE is a command that allows the programmer to delete a single row from a table in a SQL database. The command falls under the DML or rather Data Manipulation Language. The TRUNCATE command allows the... |
Oracle vs MySQL
The Oracle Database is an object-relational database management system (ORDBMS). MySQL is an open source relational database management system (RDBMS). MySQL is the world's most used RDBMS, and runs as a... |