zoukankan      html  css  js  c++  java
  • c# 对于批量表的统一查询 WM_CONCAT行列转换行数


                    //需要显示的列
                    sql = string.Format(@"
                                          SELECT  WM_CONCAT(COL.COLUMN_NAME)
                                          FROM USER_TAB_COLS COL
                                         WHERE COL.TABLE_NAME = '{0}'
                                        ", fromTable);
                    string col = "" + dac.ExecuteScalar(CommandType.Text, sql);
                    //获取已导入的数据
                    sql = string.Format(@"SELECT {2}
                                            FROM {0}
                                           WHERE SUBSTR(SRQ, 1, 5) || CASE INSTR(SUBSTR(SRQ, 6, 2), '-')
                                                   WHEN 2 THEN
                                                    '0' || REPLACE(SUBSTR(SRQ, 6, 2), '-', '')
                                                   ELSE
                                                    SUBSTR(SRQ, 6, 2)
                                                 END = '{1}'
                                           ORDER BY TO_NUMBER(SBH, '999999')", toTable, periodCode, col
                                                        );

                    DataTable dt = dac.ExecuteDataTable(sql);

  • 相关阅读:
    markdown syntax
    solidity_mapping_implementation
    paramiko 模块安装和使用
    检测服务运行的脚本
    系统非正常关机启动后出现:an error occurred during the file system
    bacula 备份恢复
    socket 网络编程
    Python 8 协程/异步IO
    Linux系统通过console口连接交换机
    Python 7 多线程及进程
  • 原文地址:https://www.cnblogs.com/yinxingyeye/p/4978266.html
Copyright © 2011-2022 走看看