this output means showing the inventory_id from the LATEST rental_date and each customer_id only have ONE record to show. how to do this with single SQL query? thanks! Subject Written By Posted SELECT the LATEST Record FOR Each UserID ...
user:'root',password:'password',database:'your_database_name'});app.get('/records/:year',(req,res)=>{constyear=req.params.year;constsql=`SELECT * FROM records WHERE YEAR(date) =${year}`;connection.query(sql,(error,results
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ORDER BY date_sent DESC 1. 2. 3. 4. 5. and it is producing the correct results however they are not in the correct order. The grouping works well but it record displayed in the group is the first recorded entered into the DB but I would like the latest record to be displayed in ...
SELECTdevice_id,DATE_FORMAT(create_time,'%Y-%m-%d %H:00:00')AScreateTime,count(*)ASnumFROMt_user_atten_recordWHEREcom_id=1111699GROUPBYdevice_id,createTimeORDERBYdevice_id,createTime; 每小时分组统计结果: 每半小时统计 要统计每半小时内的打卡次数,可以使用,MINUTE先获取对应日期的分钟,半小时就是...
["delete from XXX;"// The SQL statement that you want to execute before the synchronization task is run.]},"name":"Writer","category":"writer"}],"setting":{"errorLimit":{// The maximum number of dirty data records allowed."record":"0"},"speed":{"throttle":true,// Specifies ...
For example, set the CheckPoint Column Name parameter to id, the Initial Value of CheckPoint Column parameter to 0, and the SELECT Statement parameter to SELECT * FROM xxx WHERE ID > ?. Each time Logtail executes the SELECT statement, the system saves the ID of the last data record as th...
对于UPDATE、DELETE和INSERT语句,InnoDB会自动给涉及数据集加排他锁(X);对于普通SELECT语句,InnoDB不会加任何锁,事务可以通过以下语句显示给记录集加共享锁或排他锁。 手动添加共享锁(S): SELECT * FROM table_name WHERE ... LOCK IN SHAREMODE 手动添加排他锁(x): ...
SelectUserAttributesHandler() : anonymous_namespace{router_require.cc}::SelectUserAttributesHandler self() : My_xp_thread_util semi_major() : gis::Covered_by, gis::Crosses, gis::Difference, gis::Equals, gis::Intersection, gis::Overlaps, gis::SymDifference, gis::Touches, gis::Union semi_ma...
Posted by:laptop alias Date: August 20, 2010 04:25AM That's weird. I just searched for 'latest per'. Result no.19 (probably result no.20 now that I've written this) seemed to be pretty close to what you're looking for and besides... ...