Kazi Mohammad Ali Nur questions

Kazi Mohammad Ali Nur answers

• How to Filter Data in SQL Without Using Group By / Having Functions
• SQL Except Select with different number of columns in two tables
• Conditional preceding values
• How to do a GROUP BY and COUNT within json_build_object() in Postgres
• Window function with where condition (conditional row_number())
• How to make multiple COUNT with different conditions in single select statement
• Query with lateral join is returning a value with parenthesis. How to remove it?
• How to get country wise max populated city with population count
• Combining 2 complex queries in SQL Server
• SQL Query to calculates 'reserved' inventory items