22 lines
562 B
SQL
22 lines
562 B
SQL
-- 清空旧轮播图数据
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-- 2026-01-25
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-- 目的：删除包含旧URL的轮播图，准备上传新图片
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-- 1. 查看当前轮播图数据
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SELECT id, title, image_url, created_time
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FROM banner
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ORDER BY created_time DESC;
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-- 2. 备份（可选）
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-- CREATE TABLE banner_backup_20260125 AS SELECT * FROM banner;
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-- 3. 删除所有旧轮播图
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-- 注意：这会删除所有轮播图数据，请确认后执行
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DELETE FROM banner;
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-- 4. 重置自增ID（可选）
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ALTER TABLE banner AUTO_INCREMENT = 1;
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-- 5. 验证
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SELECT COUNT(*) as total FROM banner;
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