ho il 2 seguente selezionare in Mysql:join 2 mysql selezionare in base al campo di testo
prima selezionare:
(SELECT DISTINCT `Online_playerdatabase_v2`.`Player`,
Online_playerdatabase_v2.First_Deposit_Date As FirstDep,
TRUNCATE(Online_playerdatabase_v2.Balance,2) as Balance
FROM Online_playerdatabase_v2
WHERE `Online_playerdatabase_v2`.`Player`<>'Player'
ORDER BY `Online_playerdatabase_v2`.`Balance` DESC;
2D selezionare:
SELECT DISTINCT(Online_customer_activity_v2.Customers) as Player,
max(Online_customer_activity_v2.Date) as LastAction
FROM Online_customer_activity_v2
WHERE `Online_customer_activity_v2`.`Total_Bets`>0
Group by Online_customer_activity_v2.Customers
uscita Seleziona 1
Player FirstDep Balance
Ray 2014-10-19 9100.00
Ramzi 2014-11-02 9.61
tareq 2014-11-06 805.00
STAN 2014-10-17 7.50
Bill 2014-03-25 68.40
karam 2014-11-16 676.50
Abdul 2014-11-13 650.00
Renaud 2014-03-12 507.00
John 2014-11-22 500.00
uscita selezionare 2
Player LastAction
John 2015-11-13
Bill 2014-12-14
Renaud 2015-03-14
Abdul 2015-11-16
Ray 2015-11-22
STAN 2015-10-29
Ramzi 2015-11-10
Tarek 2015-05-10
karam 2014-12-10
Abdul 2015-02-10
output desiderato, un join sia Select che aggiunge seguenti calcoli: active days (FirstDep-LastAction)
e Days_last_Visit (CurrentDate - Last Action)
riassunte nella seguente tabella:
Player FirstDep Balance LastAction Active_days Days_last_Visit
Ray 2014-10-19 9100.00 2015-11-22 399 1
Ramzi 2014-11-02 9.61 2015-11-10 373 13
tareq 2014-11-06 805.00 2015-05-10 185 197
STAN 2014-10-17 7.50 2015-10-29 377 25
Bill 2014-03-25 68.40 2014-12-14 264 344
karam 2014-11-16 676.50 2014-12-10 24 348
Abdul 2014-11-13 650.00 2015-02-10 89 286
Renaud 2014-03-12 507.00 2015-03-14 367 254
John 2014-11-22 500.00 2015-11-13 356 10
Il tuo aiuto è molto apprezzato! Grazie