កម្មវិធីបង្រៀន SQL Programming ជាភាសាខ្មែរ Online SQL Training Course

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កម្មវិធីបង្រៀន SQL Programming ជាភាសាខ្មែរ Online SQL Training Course

មេរៀនទី ៣៖ ការប្រើប្រាស់ IN និង BETWEEN ១.១ ១.២ ១.៣ IN operator  BETWEEN Operactor ការប្រើប្រាស់ BETWEEN

១.១ IN operator IN operator ត្រូវបានប្រើជាមួយ WHERE clause ដើម្បីស្វែងរកតំលៃមួយ រឺច្រើនដែលជាក់លាក់នៅក្នុង Column មួយ។ SQL IN Syntax SELECT column_name(s) FROM table_name WHERE column_name IN (value1,value2,...);

១.២ BETWEEN Operactor BETWEEN operator ត្រូវបានប្រើដើម្បីស្វែងរកតំលៃនៅក្នុងចន្លោះពីទីតាំងមួយទៅ ទីតាំងមួយផ្សេងទៀត។ SQL BETWEEN Syntax SELECT column_name(s) FROM table_name WHERE column_name BETWEEN value1 AND value2;

១.៣ ការប្រើប្រាស់ BETWEEN ​ការប្រើប្រាស់ NOT BETWEEN SELECT * FROM Products WHERE Price NOT BETWEEN value1 AND value2; ការប្រើប្រាស់ BETWEEN ជាមួយ IN  SELECT * FROM Products WHERE (Price BETWEEN value1 AND value2)​ AND CategoryID IN (value3,value4,value5); ការប្រើប្រាស់ BETWEEN ជាមួយ Text SELECT * FROM Products WHERE ProductName BETWEEN 'C' AND 'M';

សមាជិក កែន វណ្ណថា ហ៊ី​ ឡេងសែ ឡាំ អរុណ Vantha_ken@yahoo.com hylengse.it@gmail.com arunlam2891@gmail.com