mysql update table from another table
UPDATE tableB
INNER JOIN tableA ON tableB.name = tableA.name
SET tableB.value = IF(tableA.value > 0, tableA.value, tableB.value)
WHERE tableA.name = 'Joe'mysql update table from another table
UPDATE tableB
INNER JOIN tableA ON tableB.name = tableA.name
SET tableB.value = IF(tableA.value > 0, tableA.value, tableB.value)
WHERE tableA.name = 'Joe'mysql update column with value from another table
/* Update products position by it's brand's position (from options table)
with Considering the languages */
UPDATE products
INNER JOIN options ON products.brand = options.value
SET products.brand_position = IF(options.lang = products.lang, options.position, products.brand_position)
WHERE options.name = 'pro_brand';Copyright © 2021 Codeinu
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