db2基本学习资料参考链接

http://blog.csdn.net/jarvis_java/article/category/589260

http://blog.csdn.net/jarvis_java/article/details/5956974  DB2字段类型 图文并茂

DB2 只查询前10行 fetch first 10 rows only

例如：

SELECT
SALE_DATE,
SUM(SALE_MONEY) AS SUM_MONEY
FROM
SALE_REPORT
GROUP BY
SALE_DATE
ORDER BY
SUM(SALE_MONEY) DESC
fetch first 10 rows only;