Oracle SQL-Developer: Show timestamp in date columns

You can decide how SQL-Developer display date and timestamp columns.

  1. Go to the “Tools” menu and open “Preferences…”
  2. In the tree on the left open the “Database” branch and select “NLS”
  3. Now change the entries “Date Format”, “Timestamp Format” and “Timestamp TZ Format” as you wish!

ISO formated output with date and time

  • Date Format: YYYY-MM-DD HH24:MI:SS
  • Timestamp Format: YYYY-MM-DD HH24:MI:SSXFF
  • Timestamp TZ Format: YYYY-MM-DD HH24:MI:SSXFF TZR

Source: SQL-Developer: How to change the date format of the result grid – “Why does my date column have no time?” | Oracle Deli

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