18W word Flink SQL God Road manual, born in the sky

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In the past year , He has written several ten thousand word essays , There are also some articles that may not be very in line with the tastes of fans . But that's okay , It's all in Xiaobian's plan . So far , Made up of Flink SQL The way of becoming a God Come out ！

Flink SQL The way of becoming a God

The manual took nearly half a year , common ：

1. 18w word

2. 132 individual Flink SQL Case study

Detailed introduction Flink SQL All kinds of capabilities offered , This manual not only includes 0 To 1 Of Flink SQL Basic grammar learning , It also includes various practical cases 、 be based on Flink SQL The ability to expand , in total 4 General direction ：

1. Flink SQL Basic concepts

2. Flink SQL grammar

3. Flink SQL UDF

4. Flink SQL Ability to expand

The overall catalogue of the manual is shown in the figure below ：

Screenshots of some contents of the manual are as follows ：

Part content

however ！ Xiaobian won't stop here , new Flink SQL The actual combat content is also in the process of sorting .

Get the manual

Said so much , I believe some children's shoes will have some desire to get this manual , don 't worry , There is absolutely no routine , As long as you want , I will give it to you . Scan the qr code below , remarks 「Flink SQL manual 」 Just ask me to get it ！（ Finishing and making is not easy , I hope interested partners can help forward some likes , Thank you very much ）

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（ in ） The most complete dry goods in history ！Flink SQL The way of becoming a God （ The full text 18 swastika 、138 A case 、42 Pictures ）

](https://mp.weixin.qq.com/s?__biz=MzkxNjA1MzM5OQ==&mid=2247491768&idx=2&sn=c29546d1fa09010bfc58d9d651ae35e5&chksm=c1576c40f620e5562de4439705ada0b814efba0e01e79fca74d049bf16b6ca9fb631ad4ba57f&scene=21#wechat_redirect)

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（ Next ） The most complete dry goods in history ！Flink SQL The way of becoming a God （ The full text 18 swastika 、138 A case 、42 Pictures ）

](https://mp.weixin.qq.com/s?__biz=MzkxNjA1MzM5OQ==&mid=2247491768&idx=3&sn=bcffb20549544644a40b89b032e52ff2&chksm=c1576c40f620e556e0bcefb41022dae5ef7059a3a1442adb8aac72ca0c9bdd921b9f4a307ef0&scene=21#wechat_redirect)

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flink sql Know why （ nineteen ）：Table And DataStream Turn around （ Source code attached ）

](https://mp.weixin.qq.com/s?__biz=MzkxNjA1MzM5OQ==&mid=2247490214&idx=1&sn=1e759c50f83c5d723ad0f2878463261e&chksm=c154965ef6231f4807bc4654c61556efe51b5f0db33cd42731a87e62971a0fa2ca57b42ad5a3&scene=21#wechat_redirect)

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flink sql Know why （ eighteen ）： stay flink Can also be used in hive udf？ Source code attached

](https://mp.weixin.qq.com/s?__biz=MzkxNjA1MzM5OQ==&mid=2247490153&idx=1&sn=1d46457e32e88abea3141c0466e2b705&chksm=c1549691f6231f87073da43494edbb3bb8d4e87565bc14ba8225a53a61f15617557398fb8fe1&scene=21#wechat_redirect)

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flink sql Know why （ seventeen ）：flink sql Develop sharp tools Zeppelin

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flink sql Know why （ sixteen ）：flink sql Develop enterprise level tools Dlink

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flink sql Know why （ 15、 ... and ）： Changed the source code , Realized a batch lookup join（ Source code attached ）

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flink sql Know why （ fourteen ）： Dimension table join The road to performance optimization （ On ） Source code attached

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flink sql Know why （ 13、 ... and ）： flow join It's hard ？？？（ Next ）

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flink sql Know why （ Twelve ）： flow join It's hard ？？？（ On ）

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flink sql Know why （ 11、 ... and ）： Weight removal is more than just count distinct And powerful deduplication

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flink sql Know why （ Ten ）： We all use cumulate window Calculate the cumulative index

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flink sql Know why （ Nine ）：window tvf tumble window Wonderful ideas and solutions

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flink sql Know why （ 8、 ... and ）：flink sql tumble window The wonderful way of analysis

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flink sql Know why （ 7、 ... and ）： Not even the most suitable flink sql Of ETL and group agg I haven't seen any scenes ？

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flink sql Know why （ 6、 ... and ）| flink sql Appointment calcite（ Just read this one ）

](https://mp.weixin.qq.com/s?__biz=MzkxNjA1MzM5OQ==&mid=2247489112&idx=1&sn=21e86dab0e20da211c28cd0963b75ee2&chksm=c1549aa0f62313b6674833cd376b2a694752a154a63532ec9446c9c3013ef97f2d57b4e2eb64&scene=21#wechat_redirect)

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flink sql Know why （ 5、 ... and ）| Customize protobuf format

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flink sql Know why （ Four ）| sql api Type system

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flink sql Know why （ 3、 ... and ）| Customize redis Data summary （ Source code attached ）

](https://mp.weixin.qq.com/s?__biz=MzkxNjA1MzM5OQ==&mid=2247488720&idx=1&sn=5695e3691b55a7e40814d0e455dbe92a&chksm=c1549828f623113e9959a382f98dc9033997dd4bdcb127f9fb2fbea046545b527233d4c3510e&scene=21#wechat_redirect)

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flink sql Know why （ Two ）| Customize redis Data dimension table （ Source code attached ）

](https://mp.weixin.qq.com/s?__biz=MzkxNjA1MzM5OQ==&mid=2247488635&idx=1&sn=41817a078ef456fb036e94072b2383ff&chksm=c1549883f623119559c47047c6d2a9540531e0e6f0b58b155ef9da17e37e32a9c486fe50f8e3&scene=21#wechat_redirect)

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flink sql Know why （ One ）| source\sink principle

](https://mp.weixin.qq.com/s?__biz=MzkxNjA1MzM5OQ==&mid=2247488486&idx=1&sn=b9bdb56e44631145c8cc6354a093e7c0&chksm=c1549f1ef623160834e3c5661c155ec421699fc18c57f2c63ba14d33bab1d37c5930fdce016b&scene=21#wechat_redirect)

Uncover the real-time dynamic processing engine of byte beating buried point data （ Source code attached ）

Move your little hand , Let more people in need see ~