{{ transformations:GenerateUidsAction.png}}
====== GENERATE UNIQUE IDENTIFIERS ======
Category: Transform / Advanced\\

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=====Description=====
This action creates a randomly generated 36-character global unique identifier (GUID) for each row in a table.\\

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=====Use cases=====
  * This action can be used to generate primary keys in tables.

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=====Action settings=====
This action has no parameters.  A new column will be created at the leftmost position, named "Uid", to hold the unique ID values.

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=====Examples=====

====Example #1====
===Before (source table)===
^Some value  ^
| AAA  |
| BBB  |
| CCC  |

===After (result table)===
^Uid ^Some value  ^
|c50341b2-9a4b-4656-9c61... | AAA  |
|a025ab36-1742-405d-9fed... | BBB  |
|d5dba128-ee6b-4a3c-94a2... | CCC  |
Note:  UIDs truncated for brevity.

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=====See also=====
  * [[transformations:enumerate|Enumerate rows]]