TheALL_VIEWSview contains text of views accessible to the user. A.2.14COLUMN_PRIVILEGES TheCOLUMN_PRIVILEGESview contains grants on columns for which the user is the grantor, grantee, or owner, or, the grantee isPULBLIC. A.2.15DICTIONARY TheDICTIONARYview contains list or data dictionary tables....
Oracle data dictionary-compatible views are automatically created when you create a database. This capability does not apply to the Entry plan of the Db2 Warehouse on Cloud managed service.
Using a tablespace other than SYSTEM reduces contention between data dictionary objects and user objects for the same data files. In general, do not store user data in the SYSTEM tablespace. You can use the CREATE TABLESPACE SQL statement to create a permanent default tablespace other than SYSTEM...
Oracle中的SYS用户拥有数据字典中的所有基表(base table)及用户访问视图(user-accessible view)。其他Oracle用户不应修改(UPDATE,DELETE,或INSERT)SYS方案中的对象定义及数据,否则将危害数据库的数据完整性(data integrity)。安全管理员必须严格控制此账户。 三、使用数据字典 数据字典有三个主要用途: 1、Oracle利用数据...
21.Which data dictionary view could you query to display the number of extents allocated to the Employee table?(B) A.DBA_free_space B.DBA_extents C.User_table D.DBA_table 22.为了导出属于某个用户的对象,导出程序exp中应该使用哪个参数?(B) A.SCHEMA B.OWNER C.USER D.TABLES 23.Oracle的Adva...
database closed database dismounted oracle instances shut down 的时候,oracle 数据库关闭成功 备注:关闭数据库 shutdown可带三个参数,分别是 shutdown 缺省参数是 normal 2.数据库备份 2.1 冷备份 关闭数据库时作的备份称为冷备份。 关闭数据库,将所有和本实例有关的文件,包括datafile,controlfile,redolog,archi...
Data dictionary view Type of information ALL_TABLES Information about the object and relational tables TABLES Information about the relational tables XML_TABLES Information about XML tables TAB_COMMENTS Comments about the table structures TAB_HISTOGRAMS Statistics about the use of tables TAB_PARTITIONS Inf...
dbms_metadata.get_ddl需要调用Oracle dictionary table “sys.metastylesheet.”中的XSL stylesheets,但是由于某种原因,使得调用失败,出现上述错误.因为该错误可能有: 1.XSL stylesheets没有安装 2.使用alter database 修改数据库字符集(本库是因为昨天修改字符集导致) ...
To synchronize a database of Oracle 11g or earlier, the user must have the following permissions: CREATE SESSION, SELECT ANY DICTIONARY, SELECT for a single table (GRANT SELECT ON <userName.tbName> to drsUser), EXECUTE_CATALOG_ROLE, and SELECT ANY TRANSACTION. Destination database user Databa...
In the Select Connection dialog, select HR_ORCL from the drop list and click OK to connect to your database and run the report. 5 . The results of your report are shown.6 . You can also run a Data Dictionary report. Data dictionary reports hold meta data about your objects. This incl...