1.引用Oracle.DataAccess.dll,安装oracle库,目录为D:\app\Administrator\product\11.2.0\dbhome_1\ODP.NET\bin\2.x
2. string oracleConnectionStr = "Data Source=(DESCRIPTION=(ADDRESS=(PROTOCOL=TCP)(HOST=127.0.0.1)(PORT=1521))
(CONNECT_DATA=(SERVICE_NAME=OYD)));Persist Security Info=True;User ID=OYD;Password=123456;";
HOST为ip地址;PORT端口为1521;SERVICE_NAME为oracle用户;User ID为账号;Password为密码
3. string beforeSql = "select * from \"sync_info\" where \"synced\"=0"; //利用转义符 \” ,添加” 标识关键字
DataTable beforeDt = OracleHelper.Fill(oracleConnectionStr, CommandType.Text, beforeSql, null)
to_char(sysdate,'yyyyMMdd') //oracle获取当前时间,并转换为yyyyMMdd格式
修改表名:alter table 旧表名 rename to 新表名;