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Vamsi Prabhala

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1602.23 (1,683rd) 		Reputation
42,592 (2,548th)
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Title Δ
pyspark replace multiple values with null in dataframe -0.18
How to produce the count of Access Lists an Enrollee is enrolled in... +0.32
NULL values in a string to date conversion +0.32
How to get the time difference between two rows? +1.56
Removing column duplicate string values and extract the maximum str... 0.00
SQL insert all data to bridge table, (many to many) +1.65
In Scala dataframe, consolidate equivalent rows after pairwise comp... -0.17
Calculate percentile with Groupby on pyspark dataframe 0.00
Group records equally by 3 or n value using SQL +0.33
dataframe spark scala take the (MAX-MIN) for each group 0.00
Redshift - Find % as compared to total value 0.00
How to get all products with at least X reviews in SQL? -1.39
Running count distinct -0.49
Pyspark - GroupBy and Count combined with a WHERE 0.00
How to find a result with multiple different values on same column? +1.72
How to select oldest record from sql 0.00
How to implement LEFT/RIGHT OUTER JOIN to replace NOT IN in hive qu... 0.00
How do I select the first 8 characters after a hyphen in a string? +0.48
Oracle SQL: How to generate a cricket match point table with detail... +0.25
How to transpose row to column in spark/scala? 0.00
How to pass Linear Combination of Columns to Aggregation functions... 0.00
How can we add a milli second to a timestamp field in HIVE 0.00
How to Create a Flag Based on Date Values in Hive -2.63
how to extract particular value in oracle sql +0.61
Max difference between update timestamps -0.29
Hive Windowing Additonal output 0.00
how to get oldest and newest in hive 0.00
List of non duplicated records from column hive -0.94
Convert Unixtime to MMddyyyy 0.00
Hive - Select distinct unique IDs per date without creating externa... 0.00
Impala/Hive Filling in Missing Values Similar to LOCF (last observa... 0.00
Find out the top 3 customers by sum of sales from different groups... 0.00
Hive aggregate columns based on different conditions +1.41
Error Message: “TOK_ALLCOLREF is not supported in current context”... 0.00
Join two tables on id fields using Impala -1.32
How can I find AVG of a group in Hive and compare against it +1.39
Matching patterns based on query result in SQL 0.00
How to extract part of a string in HIVE? -0.38
find non-existent value from oracle Table 0.00
Displaying the day name of a previous date in a Hive Query? -0.68
Calculate "position in run" in SQL 0.00
Select distinct row with an empty column but not when empty column... -2.71
calculate row percentage in hive 0.00
How to aggregate several columns into a JSON file in HIVE and avoid... 0.00
Getting ParseException when running Hive query +0.29
applying window function to big data set (how to optimize?) 0.00
Hive select query with current date in where clause 0.00
How to select unaggregated records from table ordering by count of... +1.66
hive - how to select top N elements for each match -0.62
hiveql remove duplicates including records that had a duplicate +0.32