Update README.md

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GowthamRaj K
2021-07-27 19:25:13 +05:30
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@@ -195,3 +195,5 @@ Following are some of the most commonly used constraints available in SQL
**Referential integrity Rows cannot be deleted, which are used by other records.** **Referential integrity Rows cannot be deleted, which are used by other records.**
**User-Defined Integrity Enforces some specific business rules that do not fall into entity, domain or referential integrity.** **User-Defined Integrity Enforces some specific business rules that do not fall into entity, domain or referential integrity.**
# Database Normalization 🚀