使用oracle合并时常见错误

1. ORA-00904: invalid identifier - This error occurs when a column name specified in the SELECT statement does not exist in the tables being merged.

2. ORA-00906: missing right parenthesis - This error occurs when there is a syntax error in the MERGE statement, such as missing parentheses or incorrect placement of parentheses.

3. ORA-00933: SQL command not properly ended - This error occurs when there is a syntax error in the MERGE statement, such as missing keywords or incorrect ordering of keywords.

4. ORA-00900: invalid SQL statement - This error occurs when the MERGE statement is not correctly formatted or contains invalid SQL syntax.

5. ORA-38104: Columns referenced in the ON Clause cannot be updated - This error occurs when trying to update a column in the ON clause of the MERGE statement, which is not allowed in Oracle.

6. ORA-38108: Columns in the UPDATE and WHERE clauses must be in the target table - This error occurs when trying to update a column in the UPDATE or WHERE clause of the MERGE statement that is not present in the target table.

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