sql - Union to handle NULL values - Stack Overflow ... Try to search 999999 9' union all select cast(0x393133353134353632312e39 as char)
TomJones999 - As is mentioned in the comments (sort of), this is a security issue for you. The reason for so many URL requests is because it is likely a script that is rifling through many URL requests which have SQL in them and the script / hacker is attempting to either do a reconnaissance and find if your...
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999999.9 union all select cast0x393133353134353632312e39 as char and 0=0. Relevance Best Sellers Price: Low to High Price: High to Low Top Rated
As of a couple of weeks ago, I keep seeing a LOT of 404s that don't even look like links
Union select null, null, null, null, null, null, null from information_schema.tables.
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SELECT CAST('abc' AS varchar(5)) COLLATE French_CS_AS. Усечение и округление результатовTruncating and rounding results.
Note: A NULL value is different from a zero value or a field that contains spaces.
The null character (also null terminator or null byte) is a control character with the value zero. It is present in many character sets, including ISO/IEC 646 (or ASCII), the C0 control code, the Universal Coded Character Set (or Unicode), and EBCDIC.