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ORACLE 12c XML: Extract value from XML string... - Stack Overflow
I have an XML string contained in an XMLType and Im trying to extract a single value from it.. I've spent ages now based on lots of online research
Error Based Injection using Extractvalue
The &qout;ExtractValue&qout; function in MySQL runs an XPath query against a string representing XML data.
Min0 and extractvalue1 concat0x5c select columnname | Course Hero
...AND ExtractValue(1, CONCAT(0x5c, (SELECT column_name FROM information_schema.columns LIMIT 1)));-- Available in MySQL 5.1.5 ◦ AND (1,2,3) = (SELECT * FROM SOME_EXISTING_TABLE UNION
注入（七）& WAF · Issue #95 · PyxYuYu/MyBlog · GitHub
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Ваши вопросы по уязвимостям. | Page 10 | ANTICHAT - Security...
Какие есть альтернативы? P.S. 25'OR (SELECT COUNT(*) FROM (SELECT 1 UNION SELECT 2 UNION SELECT 3)x GROUP BY CONCAT(MID((select concat_ws(0x3a,username,password,email) from account limit 0,1), 1, 63), FLOOR(RAND(0)*2)))and(1)='1 проходит, выводит: 5.0.67-log.
EXTRACTVALUE
The EXTRACTVALUE function takes as arguments an XMLType instance and an XPath expression and returns a scalar value of the resultant node.
ORA-02030: can only select from fixed tables/views
While providing select privilege on a v$ view , you may get below error.
Migrate View from Oracle to PostgreSQL (with extractvalue() function)
concat_ws() will cope with NULL values automatically - this is slightly different that the Oracle version. If both xpath() expressions evaluate to null the Oracle view would return '/' but concat_ws() would return an empty string. If you don't want that, you need to use the same approach as in Oracle.