A table is a unit of data storage in an Oracle database, containing rows and columns. When you view a table in Object Browser, a table description appears that describes each column in the table. See Also: "Managing Tables" in Oracle Database Express Edition 2 Day Developer Guide Oracle...
Oracle Database recognizes objects that are associated with a particular schema and objects that are not associated with a particular schema, as described in the sections that follow.Schema Objects A schema is a collection of logical structures of data, or schema objects. A schema is owned by...
Oracle体系结构之Oracle基本数据字典:v$database、v$instance、v$version、dba_objects,v$database:视图结构:SQL>descv$database;NameNull?TypeDBIDNUMBERNAMEVARCHAR2(9)CREATEDDATERESETLOGS_CHANGE#NUMBERRESETLOGS_TIMEDATEPRIOR_R
DATABASE_ROLE VARCHAR2(16) ARCHIVELOG_CHANGE# NUMBER ARCHIVELOG_COMPRESSION VARCHAR2(8) SWITCHOVER_STATUS VARCHAR2(20) DATAGUARD_BROKER VARCHAR2(8) GUARD_STATUS VARCHAR2(7) SUPPLEMENTAL_LOG_DATA_MIN VARCHAR2(8) SUPPLEMENTAL_LOG_DATA_PK VARCHAR2(3) SUPPLEMENTAL_LOG_DATA_UI VARCHAR2(3) FORCE_...
Manipulating Database Objects Using Oracle Application Express 5.0 Before You Begin Creating a Table from a Spreadsheet Adding a Master Table Modifying a Table Adding a Table Using a Script Adding a Constraint Summary Want to Learn More? Credits...
该视图仅适用于 OceanBase 数据库 Oracle 模式。字段说明字段名称类型是否可以为 NULL描述 OBJECT_NAME VARCHAR2(128) NO 对象名字 SUBOBJECT_NAME VARCHAR2(128) NO 子对象名字(例如,partition) OBJECT_ID NUMBER NO 对象的字典 ID 值 DATA_OBJECT_ID NUMBER NO 包含该对象 segment 的字典 ID 值 OBJECT_TYPE ...
Oracle Database uses adata segmentin atablespaceto hold table data. Oracle数据库使用表空间中的数据段保存表数据。 As explained in"User Segments", asegmentcontainsextentsmade up ofdata blocks. 如"用户段"所述,段包含由数据块组成的扩展盘区。
Oracle Database Exadata Cloud Machine - Version N/A and laterOracle Cloud Infrastructure - Database Service - Version N/A and laterOracle Database Exadata Express Cloud Service - Version N/A and laterInformation in this document applies to any platform....
Oracle Database - Enterprise Edition - Version 10.1.0.2 to 11.2.0.3 [Release 10.1 to 11.2]Information in this document applies to any platform. Symptoms The following message is produced in the Alert Log file:performing DML/DDL operation over object in bin.performing DML/DDL operation over objec...
If you configure a Distributor to use with an Oracle Publisher, and this synonym already exists in the database, it is dropped and recreated. Dropping the public synonym and the configured Oracle replication user with the CASCADE option removes all replication objects from the Oracle Publisher. H...