checkin('~'%7c%7c(select table_name from all_tables where rownum=1 and owner='TEST')%7c%7c'~') from dual) is not null --+ 获取字段名 http://hackrock.com:8080/oracle/?id=1 and (select dbms_xdb_version.checkin('~'%7c%7c(select column_name from all_tab_columns where ...
table_name,column_name from all_tab_columns; -- 查看ORACLE 数据库中的序列号 select * from user_sequences; -- 上面的所有对象,都可以通过下面的SQL语句查询得到 -- 查询所有的用户生成的ORACLE对象 SELECT * FROM user_objects; -- 查看ORACLE 数据库中所有表的注释 select table_name,comments from ...
ALTER TABLE table_name ADD CONSTRAINT constraint_name CHECK ( column_name IN ('xxx','xxxx')); [or CHECK ( column_name >0)] 添加一个约束,表中现有的行一定要符合这个约束条件。 添加NOT NULL 约束 CREATE TABLE table_name MODIFY column_name [CONSTRAINT constraint_name] NOT NULL; NOT NULL 是...
ALTER TABLE table_name ADD CONSTRAINT constraint_name UNIQUE (column1, column2); (4)CHECK约束 创建CHECK约束: Alter Table nn Add Constraint ck_emp_n2 Check(n2='男' Or n2='女') 9. dual表 dual是一个虚拟表,用来构成select的语法规则。 查看表结构: desc dual; oracle保证dual里面永远只有一条记...
select 子句 RESUMABLE 遇到与空格相关的错误时挂起 (N) RESUMABLE_NAME 用于标识可恢复语句的文本字符串 RESUMABLE_TIMEOUT RESUMABLE 的等待时间 TTS_FULL_CHECK 对 TTS 执行完整或部分相关性检查 TABLESPACES 要导出的表空间列表 TRANSPORT_TABLESPACE 导出可传输的表空间元数据 (N) TEMPLATE 调用 iAS 模式导出的...
select t.tablespace_name, round(sum(bytes/(1024*1024)),0) ts_sizefrom dba_tablespaces t, dba_data_files dwhere t.tablespace_name = d.tablespace_namegroup by t.tablespace_name;2、查看表空间物理文件的名称及大小select tablespace_name, file_id, file_name,round(bytes/(1024*1024),0) total_...
Table name table True string Name of Oracle table Filter Query $filter string An ODATA filter query to restrict the entries returned (e.g. stringColumn eq 'string' OR numberColumn lt 123). Order By $orderby string An ODATA orderBy query for specifying the order of entries. Top ...
In Oracle Metadata Explorer, expand the Oracle server, and then expandSchemas. Select objects to convert: To convert all schemas, select the check box next toSchemas. To convert or omit a database, select the check box next to the schema name. ...
If a table includes a BFILE column, the data for the column is stored in the file system. The replication administrative user account must be granted access to the directory in which the data is stored using the following syntax: GRANT READ ON DIRECTORY <directory_name> TO <replication_admini...
SELECT table_name FROM all_tables; 获取表名 SELECT column_name FROM all_tab_columns; 获取字段名 oracle基本函数 基本函数 Oracle注入 常规注入类型 基本类型和mysql其实都差不多 盲注 1)布尔盲注 利用字符串相关函数,对逐个字符进行比较猜解来获取数据 http://127.0.0.1/oracle?id=99' and (select substr...