You are only one SQL statement away from the tdengine Developer Conference!

From last week , Beijing officially entered “ Dog days ”, Although the weather has not yet reached the southern 40 High temperature , But it's just a few degrees away , The somatosensory temperature is also close 40 The degree of . Wait until the weekend finally have time , Go out and play happily , As a result, I sweated profusely in a short time , The mood of playing is gone , The first thing to do when you go home is to turn on the air conditioner , I can't wait to put myself in the refrigerator to cool down .

Can we really only choose the hot weather “ house ” Did you? ？！_(:з」∠)_

Of course not. ！ We have prepared a good place for you , Here you can blow the free air conditioner 、 Eating free ice cream 、 Holding all kinds of exquisite gifts 、 Listen to all kinds of valuable sharing …… you 're right , It was just launched not long ago  「TDengine Developer conference 」！ It's just 8 The second Saturday of the month , We must refuse to lie flat , To unlock a different weekend ~

Now when you buy tickets for the conference, you enjoy 6 A discount , Early bird ticket only  199 element ！ But our preference is more than that , Want to get free tickets for the Conference ？ Don't worry. ,“ Ticket purchase benefits second bullet ” It's coming to light ！

In order to give back, we have been paying attention to and supporting TDengine The vast majority of developers , During the ticket sales stage of the Conference , We launched 「“ code ” Win tickets 」 Limited time ticket purchase welfare activities , This is also our second wave for friends who need to buy tickets “ Ticket purchase benefits ” 了 . It's better to move quickly , Activity time limit on , Come and take away your conference pass , All kinds of exquisite gifts are waiting for you to take home ！

Activity rules

Step one ： install TDengine database .

Step two ： Use taosBenchmark The command line tool is created with the name test The database of .

Step three ： start-up TDengine Command line tools taos Execute the query . adopt SQL Statement query table meters Every time 1 Second time window （ Tips ： Use INTERVAL keyword ） Of phase Field average , Experience TDengine Query calculation 1 Performance of 100 million pieces of data . Among them the first 6 Bar record phase The average value is the registration password .

Step four ： Send the query statement and password screenshot to the small T, Tickets can be obtained after approval .

Scan QR code small T

If you think hard and still don't know the answer , Don't worry , Make it smaller quickly T WeChat （ID：tdengine）, that will do obtain SQL Sentence prompt . The biggest obstacles ahead have been cleared for you , What are you waiting for , Hurry up ！

A little spoiler , At present, the guests confirmed to attend this conference have Dr. cuibaoqiu, vice president of Xiaomi Group 、 Huang Mingming, founder of Mingshi capital 、Apache Software Foundation Member Guo Wei 、SphereEx CTO  Pan Juan 、OneFlow founder & CEO  Yuan Jinhui 、 Founder of geek State Technology & CEO Huo Taiwen 、 The founder of the fast cat Nebula & CEO Lai Wei 、OPPO Senior backend Engineer tanghengjian etc. , Which guest's speech are you looking forward to ？ Welcome to comment area for discussion ~