使用别名应注意(报"缺失右括号"的错误)

原創 关小真 2020-02-24 10:22
(Oracle测试)使用SQL语句的select语句是经常会用到字段和表的的别名,使用要注意,字段的别名前面可以加as关键字,或是省略不写,但是表名的别名前面不可以加as,否则会报如下错误:

[color=red]命令出错, 行: 11 列: 20
错误报告:
SQL 错误: ORA-00907: 缺失右括号
00907. 00000 - "missing right parenthesis"
*Cause:
*Action:[/color]
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