SQL

NoSQL database vs SQL database

NoSQL database vs SQL database
SQL are also known as relational databases and are more structured than NoSQL databases, which are known as non-relational databases. Non-relational databases tend to be more document-oriented and distributed...

DDL vs DML in Tabular Form

DDL vs DML in Tabular Form
DDL, which stands for Data Definition Language, is mainly used to define the schema within a database. It also defines the relationship between the entries within the database. DML, which stands for Data...

Primary Key vs Unique Key

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 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...

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