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Step-by-step courses on SQLDataDev: follow a topic lesson by lesson, in order, from the basics up.

SQL Tutorial

Learn SQL Server step by step: queries, joins, functions, stored procedures, indexes, performance tuning, backups and administration, with practical examples from real work.

96 lessons16 chapters

NumPy Tutorial

Learn NumPy step by step: arrays, indexing, slicing, reshaping, math, broadcasting, random numbers, statistics and linear algebra, with runnable examples in every lesson.

17 lessons5 chapters