ora-01789:query block has incorrect number of result columns
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author:skate
time:2009-06-11
由于自动管理分区的过程速度慢，所以今天在调整自动管理分区的过程时，遇到下面的这个错误
ora-01789:query block has incorrect number of result columns
goole之后，发现
这种问题一般出现在用UNION将若干个select连接到一起，由于select后的列的个数不相等而造成的。
比如
select userid from usercustom
union
select userid,loginname from usercustom
就会报这种错误。
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- ora-01789:query block has incorrect number of result columns
- ora-01789:query block has incorrect number of result columns
- ORA-01789:query block has incorrect number of result columns
- ORA-01789: query block has incorrect number of result columns
- Caused exception message is: ORA-01789: query block has incorrect number of result columns
- ora-01789:query block has incorrect number of result columns 错误
- Caused exception message is: ORA-01789: query block has incorrect number of result columns
- 解决java.sql.SQLException: ORA-01789: query block has incorrect number of result columns
- Caused exception message is: ORA-01789: query block has incorrect number of result columns
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