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Zaynul Abadin Tuhin

Rating
1467.49 (4,522,717th) 		Reputation
20,182 (6,739th)
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Title Δ
How to aggregate this rows in smart way? -1.48
Using != gets me different results when using NOT IN in SQL -1.49
Why Dataframe.groupby.sum() is not showing the aggregated values? +0.02
I want to convert a list of strings (temperature values: [ '23.... +0.06
sql - select multiple maximum values on a order by +2.58
How to write a case statement with multiple whens that bring out mo... -0.72
Select rows from table inserted through the past week +0.53
Order by when using coalesce 0.00
SQL Server: SELECT rows using ROW_NUMBER and CASE statement 0.00
unable to sum the column -0.49
Getting error in Oracle "ORA-01400: cannot insert NULL into...... +0.51
UNION ALL and SELECT -0.49
Oracle SQL: Update a table column using another table referenced by... -0.73
Composite key in NOT IN clause -0.00
Best way to get MAX customer in my SQL code +0.54
What is the decimal part in timestamp? +0.80
how to utilize Pandas aggregate functions on this DataFrame? -0.65
Postgresql, insert value from a column +0.60
Return top 1 record based on a condition in SQL Server 0.00
SQL Server Update data if not exists from another table +0.08
SQL: How to select pass rows from student table in case of re-sit e... -0.50
Rounding off the value to a decimal to 2 in Oracle for a query 0.00
How to return null when not matched (Opposite of nullif function) +2.55
how to optimize sql when find the max record of each group while ta... +0.36
Latest entry for append-only log in postgresql -0.34
Python Map reduce 0.00
How to extract the maximum and minimum values using the WHERE clause? +0.51
Pandas - Replace values in column with other values from the same c... -1.22
How do I change datatype in Program? +1.36
How to divide a number in range(1,16) from all elements in a list N... -0.99
How can I select rows without specific duplicate columns +2.54
How to convert a "dataframe" from SQL? 0.00
Why is DataFrame Empty in Pandas? 0.00
How to add row number from select*from and taking all column 0.00
Delete Result Rows from a Table in SQL +0.11
Aggrgating Group Query (list newest Entry out of Group of same id ) 0.00
SQL Server : self join - retrieve records matching the where clause... -0.77
SQL Server - split a column value for multiple row by identified fr... 0.00
Deleting all the data using time less than 9am in Postgres -1.49
MSSQL Insert values from table2 into table1 using condition from ta... +2.17
how to add column with number of occurrences by two fields +2.52
Fetch yesterday details using extract in SQL -1.24
Fast way to retrieve information from huge csv file in python by co... 0.00
Convert CSV to JSON while dropping certain columns -0.52
Left join issue using having clause with sum -0.74
Pandas Dataframe: How to find the maximum value of a column and the... 0.00
Pandas CSV dataframes 0.00
SQL query to calculate amount based on time range +0.51
How to get last value when combining two value if first value is nu... +0.48
Compare data for 2 tables +0.33