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                合規國際互聯網加速 OSASE為企業客戶提供高速穩定SD-WAN國際加速解決方案。 廣告
                (1)使用正則表達式需要改寫如下參數 ```sql -- 默認為column,不支持正則 -- 設置為none則支持正則 0: jdbc:hive2://hadoop101:10000> set hive.support.quoted.identifiers=none; ``` (2)列正則表達式語法 ```sql -- 不查詢col_name1、col_name、col_name3,剩余的都查詢 select `(col_name1|col_name2|col_name3)?+.+` from table; ``` (3)示例 ```sql #### 不查詢hiredate和comm列,其它列則查詢 #### select `(hiredate|comm)?+.+` from emp; +------------+------------+------------+----------+----------+-------------+--+ | emp.empno | emp.ename | emp.job | emp.mgr | emp.sal | emp.deptno | +------------+------------+------------+----------+----------+-------------+--+ | 7369 | SMITH | CLERK | 7902 | 800.0 | 20 | | 7499 | ALLEN | SALESMAN | 7698 | 1600.0 | 30 | ```
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                              哎呀哎呀视频在线观看