Advanced SQL Interview Question For Interview
_______________________
By: HIMANSHU GAHLAWAT
Use ROW_NUMBER and RANK for advanced data analysis
_______________________
Window Functions
thedataanalyst.in
Query hierarchical data with recursive CTEs.
_______________________
Recursive CTEs
thedataanalyst.in
Master subqueries for advanced filtering and manipulation.
_______________________
Subqueries
thedataanalyst.in
Transform rows into columns using PIVOT.
_______________________
Pivoting Data
thedataanalyst.in
Rank data with DENSE_RANK and NTILE functions.
_______________________
Ranking Data
thedataanalyst.in
Filter aggregated data with the HAVING clause
_______________________
Aggregations with HAVING
thedataanalyst.in
Use correlated subqueries for dynamic filtering.
_______________________
Correlated Subqueries
thedataanalyst.in
CHECK
Other stories
why master pivot tables in excel
Learn SQL FOR DATA ANALYSIS
Read Complete article
Advanced SQL Interview Questions For Data Analyst
Master Group by in sql