批量插入表(表数据插表) ****1.INSERT INTO SELECT语句语句形式为:Insert into Table2(field1,field2,...) select value1,value2,... from Table1要求目标表Table2必须存在,由于目标表Table2已经存在,所以我们除了插入源表Table1的字段外,还可以插入常量.示例如下: 2.SELECT INTO FROM语句语句形式为:SELECT vale1, value2 into Table2 from…
把t_table1中数据插入到t_table中,同时确保t_table中不会有重复的项 insert into t_table (column1,column2,column3) select column1,column2,column3 from t_table1 where column1='1' AND not column1 in (select column1 from t_table)…
#region 使用SqlBulkCopy public static bool ExecuteTransactionScopeInsert(DataTable dt, int batchSize) { int count = dt.Rows.Count; string tableName = "TestTable"; int copyTimeout = 600; bool flag = false; try { using (SqlConnection cn = new SqlCon…