Do se zyada table kaise join karein
- Intermediate
- Module 1 of 2 in this level
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4:05YUNOVA's pickHOW TO JOIN 3 OR MORE TABLES IN SQL | TWO WAYS
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What you should understandआपको क्या समझना है?
- तीन या ज़्यादा table एक-एक करके जोड़े जाते हैं, हर बार एक ON के साथ।
- क्रम मायने रखता है, ख़ासकर जब बीच में LEFT JOIN आ जाए।
- हर table को छोटा उपनाम दे दें, वरना query पढ़ी नहीं जाती।