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After learning about different joins, it’s now time to dive into self-joins! At first glance, self-joins might sound complicated, but they’re not....
In SQL, both DELETE and TRUNCATE commands are used to remove data from a table. · In SQL, both DELETE and TRUNCATE commands are used to remove data from...
Why We Need a Database Management System (DBMS). · The Pain Points of Flat Files Before we dive into the wonders of DBMS, let's quickly acknowledge the...
Data: The Raw Ingredient. Data is the most basic unit of any information system. It's unprocessed, raw facts that, on their own, might not make much...
