Sqlserver Developer Review

By a Senior Database Architect Approximate reading time: 25 minutes Introduction: Beyond CRUD For decades, the role of the SQL Server Developer has been misunderstood. Many see it as simply writing SELECT , INSERT , UPDATE , and DELETE statements. But in the modern data landscape, the SQL Server Developer is an architect of logic, a guardian of performance, and a bridge between transactional systems and business intelligence.

-- Running total per customer, ordered by date SELECT OrderId, CustomerId, OrderDate, Amount, SUM(Amount) OVER (PARTITION BY CustomerId ORDER BY OrderDate ROWS UNBOUNDED PRECEDING) AS RunningTotal, LAG(Amount, 1, 0) OVER (PARTITION BY CustomerId ORDER BY OrderDate) AS PreviousOrderAmount FROM Orders; Simplify date grouping. sqlserver developer

Happy coding. May your seeks be narrow and your scans be none. About the author: 15+ years of SQL Server experience across financial, retail, and logistics sectors. Microsoft Data Platform MVP. By a Senior Database Architect Approximate reading time:

EXEC dbo.sp_WhoIsActive @get_plans = 1, @get_outer_command = 1; It shows: blocking chains, query text, plan, tempdb usage, and more. Your flight recorder. Force good plans, revert bad ones. -- Running total per customer, ordered by date

-- Store JSON, query it, and update it without parsing entire document DECLARE @json NVARCHAR(MAX) = N'"customer": "name":"John", "orders":["id":1]'; SELECT JSON_VALUE(@json, '$.customer.name') AS CustomerName;