Php mysql更新表中所有行新值

代码示例

更新所有行

UPDATE tableName SET columnName = yourValue;
#to update multiple columns:
UPDATE tableName SET column1 = value1, column2 = value2; #and so on

更新的所有行mysql

UPDATE tableName SET columnName = yourValue;
#to update multiple columns:
UPDATE tableName SET column1 = value1, column2 = value2; #and so on

php mysql更新表中所有行新值

$idresult = $conn->query("SELECT id FROM pictures");

while ($row = $idresult->fetch_assoc()){
   mysqli_query($conn, "UPDATE pictures SET UniqueKey = '$UniqueKey' WHERE id = " . $row['id'];
}

php mysql更新所有行表新的价值观

$idresult = $conn->query("SELECT id FROM pictures");

while ($row = $idresult->fetch_assoc()){
   mysqli_query($conn, "UPDATE pictures SET UniqueKey = '$UniqueKey' WHERE id = " . $row['id'];
}

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带有示例的类似页面

我如何可以更新的所有行表在mysql php

我如何可以更新的所有行表中使用php mysql

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empty row

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