16.2 导出为 CSV
SELECT
orderNumber, status, orderDate, requiredDate, comments
FROM
orders
WHERE
status = 'Cancelled';SELECT
orderNumber, status, orderDate, requiredDate, comments
FROM
orders
WHERE
status = 'Cancelled'
INTO OUTFILE 'F:/worksp/mysql/cancelled_orders.csv'
FIELDS ENCLOSED BY '"'
TERMINATED BY ';'
ESCAPED BY '"'
LINES TERMINATED BY '\r\n';将数据导出到文件名包含时间戳的CSV文件
使用列标题导出数据
处理NULL值
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