Merge pull request #72 from Ritik574-coder/dbt_branch

data transformation : bronze -> silver data cleaning and standardization in store table

Author: Ritik574-coder

explore_database/reviews/reviews.sql

@@ -386,17 +386,17 @@ WITH clean_review_channel AS
             WHEN TRIM(LOWER(review_channel)) IN ('app', 'mobile app', 'mobile')   THEN 'Mobile App'
             WHEN TRIM(LOWER(review_channel)) IN ('in store', 'in-store', 'store') THEN 'In Store'
             WHEN TRIM(LOWER(review_channel)) IN ('online', 'web')                 THEN 'Online'
-            WHEN TRIM(LOWER(review_channel)) = 'phone'                            THEN 'Phone Call'
-            WHEN TRIM(LOWER(review_channel)) = 'catalog'                          THEN 'Catalog'
+            WHEN TRIM(LOWER(review_channel))  = 'phone'                            THEN 'Phone Call'
+            WHEN TRIM(LOWER(review_channel))  = 'catalog'                          THEN 'Catalog'
             ELSE 'Unknown'
         END AS review_channel
     FROM bronze.reviews
 )
 SELECT 
-    review_channel,
-    COUNT(*) as channel_count,
-    CAST(ROUND(COUNT(*)*100/SUM(COUNT(*)) OVER(), 2)as nvarchar) + '%' as percentages
-FROM clean_review_channel
+      review_channel,
+      COUNT(*) as channel_count,
+      CAST(ROUND(COUNT(*)*100/SUM(COUNT(*)) OVER(), 2)as nvarchar) + '%' as percentages
+FROM  clean_review_channel
       GROUP BY review_channel
       ORDER BY channel_count DESC ;
 
@@ -405,7 +405,7 @@ FROM clean_review_channel
 --=============================================================================================
 -- review_title data overview 
 SELECT 
-review_title 
+    review_title 
 FROM bronze.reviews ;
 
 -- review_title  data profiling