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📜  在 sql 代码示例中获取初始值

📅  最后修改于: 2022-03-11 15:05:00.636000             🧑  作者: Mango

代码示例1
SELECT UPPER(FIRST_NAME) , LOWER(LAST_NAME) 
        , SUBSTR(FIRST_NAME , 1,1) || SUBSTR(LAST_NAME , 1,1)  AS INITIALS
FROM EMPLOYEES ;