ORA-30087: Adding two datetime values is not allowed
Cause: An attempt was made to add two datetime values.
Action: This addition is not allowed.
ORA-30087错误是Oracle数据库错误代码。它指出无法尝试将两个DATETIME值相加。这是数据库中不允许的操作,因为此操作有可能会引发混乱,无法给出有意义的结果。
“ORA-30087:不允许添加两个DATETIME值。”
ORA-30087通常出现在尝试将两个DATETIME值相加的情况下,例如:
SELECT (DATETIME_VALUE1 + DATETIME_VALUE2) FROM table1
要解决ORA-30087的错误,你需要更改SELECT语句以避免相加操作,例如:
SELECT (DATETIME_VALUE1 – DATETIME_VALUE2) FROM table1