SQL Window Functions Series: LAG() and LEAD()In the realm of data analysis, being able to understand the relationships between sequential data points is paramount. […] 11 décembre 2023 dans Sites anglophones étiqueté #sql interview questions / Advanced SQL / Data / Database / Date Calculations / Date computation / DATEDIFF / LAG / LAG function / LEAD / OVER() / Performance / Performance and Tuning / Performance Tuning / Programming Language / SQL / SQL Compare / sql monitor / SQL Performance / SQL Prompt / SQL Script / SQL Server / t-sql / time series / TSQL / Window Functions par sqlservercentral.com