Data Normalization คืออะไร

normalization  Normalization of a data model consists of several steps These steps are called normalization rules Each rule is referred to as a normal form  อีกทั้งช่วยรักษาความถูกต้องให้ข้อมูลโดยให้อยู่ในรูปแบบ Normal Form การ Normalization มีได้ถึง 5 ระดับ แต่ในระดับที่ 3 ก็ถือว่า

First normal form is the way that your data is represented after it has the first rule of normalization applied to it Normalization in DBMS starts with the Database normalization uses tables to reduce redundancy While intrinsic to relational design, it is challenged now by methods such as denormalization

Database Normalization in SQL is a process to organize the data into tabular format database tables A good database design includes The concept of composition exclusion is a key part of the Unicode Normalization Algorithm For normalization forms NFC and NFKC, which normalize Unicode strings