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摘要: 详细解读可参考oracle官方文档:https://docs.oracle.com/en/ 选择列:SELECT Column1,Column2 from tablename ; SQL 选择行:SELECT * FROM tablename SELECT语句语法: SELECT * | {[DIS阅读全文
posted @ 2018-07-16 09:31 电杆 阅读(14) 评论(0) 编辑