SQL> select column_name from user_tab_columns where table_name='INFO';COLUMN_NAME
------------------------------
EMPLOYEENO
EMPLOYEEPD
EMPLOYEESQL> select count(1) from user_tab_columns where table_name='INFO'; COUNT(1)
----------
3
------------------------------
EMPLOYEENO
EMPLOYEEPD
EMPLOYEESQL> select count(1) from user_tab_columns where table_name='INFO'; COUNT(1)
----------
3
解决方案 »
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