In the middle of a package I select the following:
and then F5. The Explain Plan Window appears with a error: ORA-00936: missing expression.
The "INTO l_col_diff" is commented badly.
Code:
SELECT (SELECT COUNT(*) FROM USER_TAB_COLUMNS t WHERE t.TABLE_NAME = 'HIS_OMS_MESSAGE_ADMIN')
- (SELECT COUNT(*) FROM USER_TAB_COLUMNS t WHERE t.TABLE_NAME = 'HIS_OMS_MESSAGE_ADMIN_N') COL_DIFF
INTO l_col_diff
FROM DUAL
;
The "INTO l_col_diff" is commented badly.