所以我有用戶，通話，短信表，現在我想呼入和呼出電話的數量和每個用戶短信 我有這個疑問 select u.username,
sum(case when c.type = 'incoming' then 1 else 0 end) as incoming,
sum(case when c.type = 'incoming' and status = 'true' then 1
我有一個Statement來填充我的MSSQL數據庫中的表。它將一些值加在一起，用分號分隔。 INSERT INTO XXAArcDocSWSB (ArcDocINr, SWorte)
SELECT A.ArcDocINr, B.SWorte FROM XXAArcDoc A
LEFT JOIN (
SELECT DISTINCT T2.ArcDocINr,
SUBSTRING(
(
我有這個模式（通過DDL表和視圖給出）： hive> create table t_realtime(cust_id int, name string, status string, active_flag int);
hive> create table t_hdfs(cust_id int, name string, status string, active_flag int);
h
System.Data.SqlClient.SqlException occurred HResult=0x80131904 Message=Cannot insert explicit value for identity column in table 'DriversDetailsTable' when IDENTITY_INSERT is set to OFF. Source=.Net S
在2008年SQLSERVER： /**
sql1：use Subquery AS 'PIVOT' ResultSet
*/
SELECT * FROM (
SELECT a.Station_ID stationId, b.Factor_Code factoryCode, a.Value value
FROM T_Data_Real a
LEFT JOIN T_B