INSERT INTO [${tableName}] SELECT * FROM [${lastTableName}] WHERE CollectTime < '${date}' SELECT * INTO [${tableName}] FROM [${lastTableName}] WHERE CollectTime < '${date}' delete from [${tableName}] where CollectTime < '${day}' SELECT name FROM SysObjects Where XType='U' AND name = '${saveTableName}' SELECT COUNT(CollectTime) num FROM [${saveTableName}] WHERE CollectTime < '${day}'