mysql - Update all post that is not in another table -

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मेरे पास इस tow तालिका है: - 

  an_post आईडी का नाम बॉडी पिक दिनांक बनाएँ

और तालिका 2 है: - 

  an_taxonomy PostId TaxId

हमें table 1 < / Code> में तालिका 2 में एक रिकार्ड है, वह वील है ("10", "1") ।

जहां 10 < / Code> है PostId , और 1 है टैक्सआईडी ।

कैसे तालिका 2 सभी पोस्ट तालिका 1 से मान ("post_id", "1") , और पहले जोड़ा नहीं।

इसे डुप्लिकेट नहीं करना चाहिए तालिका 2 में दर्ज करें

अगर PostId an_taxonomy तालिका पर एक अनन्य अनुक्रमणिका है तो केवल 

  एक_taxonomy (PostId, TaxId) का चयन करें आईडी, 1 से an_post

में प्रवेश करें, यदि नहीं तो आपको यह देखना चाहिए कि पंक्ति पहले से मौजूद है या नहीं । इस तरह से कुछ: - 

  an_taxonomy में प्रविष्ट करें (पोस्ट आईडी, कर आईडी) SELECT a.ID, 1 से an_post एक बाएं OUTER पर an_taxonomy b में शामिल करें a.ID = b.PostId और b, TaxId = 1 WHERE b.PostId NULL है

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