SQL
Built-In Timestamp with Time Zone Functions
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|   |   |
|:--|:--------|
| **Description** |The later of two timestamps. |
| **Example** | `greatest(TIMESTAMPTZ '1992-09-20 20:38:48', TIMESTAMPTZ '1992-03-22 01:02:03.1234')` |
| **Result** | `1992-09-20 20:38:48-07` |