| ORA-00932: | inconsistent datatypes: expected string got string | | Cause: | One of the following:- An attempt was made to perform an operation on incompatible datatypes. For example, adding a character field to a date field (dates may only be added to numeric fields) or concatenating a character field with a long field.
- An attempt was made to perform an operation on a database object (such as a table or view) that is not intended for normal use. For example, system tables cannot be modified by a user. Note that on rare occasions this error occurs because a misspelled object name matched a restricted object's name.
- An attempt was made to use an undocumented view.
| | Action: | If the cause is- different datatypes, then use consistent datatypes. For example, convert the character field to a numeric field with the TO_NUMBER function before adding it to the date field. Functions may not be used with long fields.
- an object not intended for normal use, then do not access the restricted object.
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