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Merge pull request #13374 from taosdata/docs/TD-16193 

docs: correct a few missing changes
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wade zhang 2022-06-01 16:04:48 +08:00 committed by GitHub
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docs-en/12-taos-sql/07-function.md
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@ -297,7 +297,7 @@ SELECT CONCAT_WS(separator, str1|column1, str2|column2, ...) FROM { tb_name | st
**Return value type**: If all input strings are VARCHAR type, the result is VARCHAR type too. If any one of input strings is NCHAR type, then the result is NCHAR.
**Applicable data types**: VARCHAR, NCHAR. Can't be used on tag columns. At least 3 input strings are requird, and at most 9 input strings are allowed.
**Applicable data types**: VARCHAR, NCHAR. At least 3 input strings are requird, and at most 9 input strings are allowed.
**Applicable table types**: table, STable