Oracle函數(將整個字串轉換為大寫)

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Oracle函數(將整個字串轉換為大寫)

NLS_UPPER(x[,y])

【功能】返回字串並將字串的轉換為大寫;

【參數】x字元型運算式

【參數】Nls_param可選,指定排序的方式(nls_sort=) 。SCHINESE_RADICAL_M(部首、筆畫) SCHINESE_STROKE_M(筆畫、部首SCHINESE_PINYIN_M(拼音))

【返回】字元型

【樣本】 select NLS_UPPER('ab cde') "test",NLS_UPPER('a c b d e','nls_sort= SCHINESE_PINYIN_M') "test1" from dual;

返回:AB CDE,A C B D E

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