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## DBMS Identification VIA Error
When testing for SQL injection error messages can also help in identifying the underlying DBMS:
| DBMS | Example Error Message | Example Payload |
|---------------------|------------------------------------------------------------------------------------------------------------
| MySQL | `You have an error in your SQL syntax; ... near '' at line 1` | `'` |
| PostgreSQL | `ERROR: unterminated quoted string at or near "'"` | `'` |
| PostgreSQL | `ERROR: syntax error at or near "1"` | `1'` |
| Microsoft SQL Server| `Unclosed quotation mark after the character string ''.` | `'` |
| Microsoft SQL Server| `Incorrect syntax near ''.` | `'` |
| Microsoft SQL Server| `The conversion of the varchar value to data type int resulted in an out-of-range value.` | `1'` |
| Oracle | `ORA-00933: SQL command not properly ended` | `'` |
| Oracle | `ORA-01756: quoted string not properly terminated` | `'` |
| Oracle | `ORA-00923: FROM keyword not found where expected` | `1'` |
DBMS | Example Error Message | Example Payload |
|---------------------|------------------------------------------------------------------------------------------|-----------------|
| MySQL | `You have an error in your SQL syntax; ... near '' at line 1` | `'` |
| PostgreSQL | `ERROR: unterminated quoted string at or near "'"` | `'` |
| PostgreSQL | `ERROR: syntax error at or near "1"` | `1'` |
| Microsoft SQL Server| `Unclosed quotation mark after the character string ''.` | `'` |
| Microsoft SQL Server| `Incorrect syntax near ''.` | `'` |
| Microsoft SQL Server| `The conversion of the varchar value to data type int resulted in an out-of-range value.`| `1'` |
| Oracle | `ORA-00933: SQL command not properly ended` | `'` |
| Oracle | `ORA-01756: quoted string not properly terminated` | `'` |
| Oracle | `ORA-00923: FROM keyword not found where expected` | `1'` |
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## SQL injection using SQLmap