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SQL training, correct problem solving

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Sql learning progress

Solutions to challenges on

Frequently used functions

Aggregate

  • Avg
  • Count
  • Max
  • Min
  • Sum

Conversion

  • Cast
  • Convert

Date & Time

  • Datediff
  • Datepart

Expressions

  • Case
  • Coalesce
  • Top
  • Limit
  • Distinct

Mathematical

  • Ceiling
  • Floor
  • Sqrt
  • Power

Ranking

  • Row_number
  • Rank

String

  • Concat
  • Len
  • Left
  • Ltrim
  • Lower
  • Replace
  • Right
  • Substring