云数据库POLARDB兼容哪些语法 迁移要改多少代码 省下多少开发费,POLARDB云数据库迁移指南,兼容语法解析 代码调整与开发成本节省
Which syntax migrations are compatible with POLARDB cloud database? How much code needs to be modified to save how much development cost? POLARDB cloud database migration guide, compatible syntax parsing, code adjustment and development cost savings
以上为机器翻译结果，长、整句建议使用 人工翻译 。
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