SQL ─ RDBMS Concepts ............................................................................................................................. 5
What is RDBMS? .............................................................................................................................................. 5
SQL Constraints ............................................................................................................................................... 6
Data Integrity ................................................................................................................................................... 7
Database Normalization .................................................................................................................................. 7
Database – First Normal Form (1NF) ............................................................................................................... 8
Database – Second Normal Form (2NF) ........................................................................................................ 10
Database – Third Normal Form (3NF) ............................................................................................................ 11
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