Communicode

Communicode

A blog dedicated to sharing knowledge and opinion regarding technology in general and software development in particular

  1. Triggers in SQL

  2. Sequences in PostgreSQL

  3. IS NOT DISTINCT FROM in PostgreSQL

  4. IS DISTINCT FROM in PostgreSQL

  5. to_json() in PostgreSQL

  6. array_agg() in PostgreSQL

  7. string_agg() in PostgreSQL

  8. json_agg() in PostgreSQL

  9. COALESCE() in SQL

  10. IS NOT NULL in SQL