Categories:
String & Binary Functions (Case Conversion)

UPPER

Returns the input string expr with all characters converted to uppercase.

Syntax

UPPER( <expr> )

Collation Details

Arguments with collation specifications are currently not supported.

Examples

SELECT v, UPPER(v) FROM lu;

----------------------------------+----------------------------------+
                v                 |             upper(v)             |
----------------------------------+----------------------------------+
                                  |                                  |
 1č2Щ3ß4Ę!-?abc@                  | 1Č2Щ3SS4Ę!-?ABC@                 |
 AaBbCcDdEeFfGgHhIiJj             | AABBCCDDEEFFGGHHIIJJ             |
 KkLlMmNnOoPpQqRrSsTt             | KKLLMMNNOOPPQQRRSSTT             |
 UuVvWwXxYyZz                     | UUVVWWXXYYZZ                     |
 ÁáÄäÉéÍíÓóÔôÚúÝý                 | ÁÁÄÄÉÉÍÍÓÓÔÔÚÚÝÝ                 |
 ÄäÖößÜü                          | ÄÄÖÖSSÜÜ                         |
 ÉéÀàÈèÙùÂâÊêÎîÔôÛûËëÏïÜüŸÿÇ猜Ææ | ÉÉÀÀÈÈÙÙÂÂÊÊÎÎÔÔÛÛËËÏÏÜÜŸŸÇÇŒŒÆÆ |
 ĄąĆćĘꣳŃńÓ󌜏źŻż               | ĄĄĆĆĘĘŁŁŃŃÓÓŚŚŹŹŻŻ               |
 ČčĎďĹ弾ŇňŔ੹ŤťŽž               | ČČĎĎĹĹĽĽŇŇŔŔŠŠŤŤŽŽ               |
 АаБбВвГгДдЕеЁёЖжЗзИиЙй           | ААББВВГГДДЕЕЁЁЖЖЗЗИИЙЙ           |
 КкЛлМмНнОоПпРрСсТтУуФф           | ККЛЛММННООППРРССТТУУФФ           |
 ХхЦцЧчШшЩщЪъЫыЬьЭэЮюЯя           | ХХЦЦЧЧШШЩЩЪЪЫЫЬЬЭЭЮЮЯЯ           |
 [NULL]                           | [NULL]                           |
----------------------------------+----------------------------------+