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-rw-r--r--chapter/8/big-data.md6
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@@ -456,8 +456,10 @@ Hence, in Spark SQL, transformation of user queries happens in four phases :
## 3. Big Data Ecosystem
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-
+`TODO: text`
+<figure class="main-container">
+ <img src="./ecosystem.png" alt="SparkSQL optimization plan Overview" />
+</figure>
## References
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