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I applied via Naukri.com and was interviewed before Apr 2022. There were 2 interview rounds.
To show aggregation on whole data row by row in SQL, you can use the OVER() function with appropriate window specification.
Use the OVER() function to perform aggregation on the entire data set
Specify the window specification to define the scope of aggregation
Add the aggregated result as a new column in the existing table
Example: SELECT *, SUM(sales) OVER() AS total_sales FROM table_name
Functions return a single value while stored procedures execute a set of SQL statements.
Functions are used to perform calculations and return a single value while stored procedures are used to execute a set of SQL statements.
Functions can be used in SELECT, WHERE, and HAVING clauses while stored procedures cannot.
Functions can be called from within stored procedures while stored procedures cannot be called from within ...
ALL function in DAX returns all the rows in a table, or all the values in a column, ignoring any filters that might have been applied.
ALL function can be used to remove filters from a table or column.
It can also be used to remove filters from a specific column in a table.
ALL function can be combined with other functions like CALCULATE to perform complex calculations.
Example: CALCULATE(SUM(Sales[Amount]), ALL(Sales[Prod...
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