SQL Server (T-SQL)

Microsoft SQL Server interview SQL — SELECT, JOINs, CTEs, window functions, indexes, and T-SQL patterns with sample schemas.

1010 problems in 10 categories

SQL Server — SELECT basics

SQL Server — WHERE & filtering

SQL Server — JOINs

SQL Server — Aggregates & GROUP BY

SQL Server — Subqueries

SQL Server — CTEs

SQL Server — Window functions

SQL Server — DDL & constraints

SQL Server — Indexes & plans

SQL Server — T-SQL procedures

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