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SQL Database structure | Schemas | Data Normalization

SQL Database structure | Schemas | Data Normalization

So let’s start with SQL, now SQL is not a database, SQL stands for structured query language and in the end, SQL is a language that allows you to write database queries. SQL introduction The commands are CREATE, ALTER, DROP, RENAME, and TRUNCATE. Data Manipulation Language (DML) – These SQL commands are used for storing, retrieving, modifying, and deleting data. These Data Manipulation Language commands are: SELECT, INSERT, UPDATE, and DELETE. There are more commands to just deselect command but…

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