User contributions for David

A user with 5,337 edits. Account created on 14 July 2019.
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12 February 2024

  • 01:4301:43, 12 February 2024 diff hist +49 SQL→‎Common functions
  • 01:4201:42, 12 February 2024 diff hist +906 N SQLCreated page with "SQL basics ==Common functions== See [https://www.postgresql.org/docs/16/functions-math.html Postgres math functions] and [https://www.postgresql.org/docs/current/functions-conditional.html Postgres conditional functions]. * Average * Sum * Round * [https://www.postgresql.org/docs/current/functions-conditional.html#FUNCTIONS-COALESCE-NVL-IFNULL Coalesce] - return the first non-null parameter. * [https://www.postgresql.org/docs/current/functions-conditional.html#FUNCTIO..."

9 February 2024

8 February 2024

5 February 2024

2 February 2024

16 January 2024

14 January 2024

8 January 2024

7 January 2024

31 December 2023

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1 December 2023

16 November 2023

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