012.Oracle数据库,字符串文本大小写转换,转大写,转小写,首字母大写
/*转大写*/ SELECT UPPER(TITLE_EN) FROM ME_EO WHERE ( ISSUE_DATE BETWEEN to_date( '2017-02-04', 'yyyy-MM-DD' ) AND to_date( '2017-02-09', 'yyyy-MM-DD' ) AND ( ROWNUM <= 1 ) ) ORDER BY ATA ASC ;
效果如下:
/*转小写*/ SELECT LOWER(TITLE_EN) FROM ME_EO WHERE ( ISSUE_DATE BETWEEN to_date( '2017-02-04', 'yyyy-MM-DD' ) AND to_date( '2017-02-09', 'yyyy-MM-DD' ) AND ( ROWNUM <= 1 ) ) ORDER BY ATA ASC ;
效果如下:
/*首字母大写*/ SELECT INITCAP(TITLE_EN) FROM ME_EO WHERE ( ISSUE_DATE BETWEEN to_date( '2017-02-04', 'yyyy-MM-DD' ) AND to_date( '2017-02-09', 'yyyy-MM-DD' ) AND ( ROWNUM <= 1 ) ) ORDER BY ATA ASC ;
效果如下:
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