There are several ways to view the contents of an Oracle database: Use the SQL Plus command line tool to enter the DESCRIBE command. Use Oracle Enterprise Manager Console to navigate to the Object Browser. Use the Oracle SQL Developer GUI to connect to the database and navigate to the Object Browser. Extend the Object Browsing section with TOAD. Use PL/SQL Developer to expand the Object Browser section and select Edit. Export schema scripts, query data dictionary views, or use third-party tools.
How to view an Oracle database
Viewing an Oracle database can help you understand its content, structure, and health. Here are several methods:
Use the SQL Plus command line tool
Open the SQL Plus command line, connect to the database and enter the following command:
<code>> DESCRIBE ;</code>
This will display the columns, data types and constraints in the table.
Using Oracle Enterprise Manager Console
Open the Oracle Enterprise Manager Console and navigate to the Object Browser section. Under Tables, expand the relevant schema, right-click the table name and select Description.
Using the Oracle SQL Developer GUI
Open the Oracle SQL Developer GUI, connect to the database and navigate to the Object Browser panel. Expand the Schema, Tables tab, and double-click the table name. This will display the table details including columns and data types.
Using TOAD (Tools Assisted Oracle Development)
Open TOAD, connect to the database and expand the "Object Browsing" section. Right-click the table name and select View Table Data. This will provide a visual representation of the table.
Using PL/SQL Developer
Open PL/SQL Developer, connect to the database and expand the "Object Browser" section. Right-click the table name and select Edit. This will display the script for the table with column details.
Other methods
-
Export the schema script: Use the
expdputility to export the schema's DDL script, including Table definitions and constraints. -
Query data dictionary views: Query views such as
ALL_TABLES,ALL_TAB_COLUMNS, andALL_CONSTRAINTSto obtain table details. - Use third-party tools: Use third-party tools such as DbVisualizer or SQL Workbench to browse and query Oracle databases.
The above is the detailed content of How to view the database in oracle. For more information, please follow other related articles on the PHP Chinese website!
什么是oracle asmApr 18, 2022 pm 04:16 PMoracle asm指的是“自动存储管理”，是一种卷管理器，可自动管理磁盘组并提供有效的数据冗余功能；它是做为单独的Oracle实例实施和部署。asm的优势：1、配置简单、可最大化推动数据库合并的存储资源利用；2、支持BIGFILE文件等。
oracle怎么查询所有索引May 13, 2022 pm 05:23 PM方法：1、利用“select*from user_indexes where table_name=表名”语句查询表中索引；2、利用“select*from all_indexes where table_name=表名”语句查询所有索引。
Oracle怎么查询端口号May 13, 2022 am 10:10 AM在Oracle中，可利用lsnrctl命令查询端口号，该命令是Oracle的监听命令；在启动、关闭或重启oracle监听器之前可使用该命令检查oracle监听器的状态，语法为“lsnrctl status”，结果PORT后的内容就是端口号。
oracle全角怎么转半角May 13, 2022 pm 03:21 PM在oracle中，可以利用“TO_SINGLE_BYTE(String)”将全角转换为半角；“TO_SINGLE_BYTE”函数可以将参数中所有多字节字符都替换为等价的单字节字符，只有当数据库字符集同时包含多字节和单字节字符的时候有效。
oracle怎么删除sequenceMay 13, 2022 pm 03:35 PM在oracle中，可以利用“drop sequence sequence名”来删除sequence；sequence是自动增加数字序列的意思，也就是序列号，序列号自动增加不能重置，因此需要利用drop sequence语句来删除序列。
oracle怎么查询数据类型May 13, 2022 pm 04:19 PM在oracle中，可以利用“select ... From all_tab_columns where table_name=upper('表名') AND owner=upper('数据库登录用户名');”语句查询数据库表的数据类型。
oracle查询怎么不区分大小写May 10, 2022 pm 05:45 PM方法：1、利用“LOWER(字段值)”将字段转为小写，或者利用“UPPER(字段值)”将字段转为大写；2、利用“REGEXP_LIKE(字符串,正则表达式,'i')”，当参数设置为“i”时，说明进行匹配不区分大小写。
Oracle怎么修改sessionMay 13, 2022 pm 05:06 PM方法：1、利用“alter system set sessions=修改后的数值 scope=spfile”语句修改session参数；2、修改参数之后利用“shutdown immediate – startup”语句重启服务器即可生效。
Hot AI Tools
Undresser.AI Undress
AI-powered app for creating realistic nude photos
AI Clothes Remover
Online AI tool for removing clothes from photos.
Undress AI Tool
Undress images for free
Clothoff.io
AI clothes remover
AI Hentai Generator
Generate AI Hentai for free.
Hot Article
Hot Tools
Zend Studio 13.0.1
Powerful PHP integrated development environment
Notepad++7.3.1
Easy-to-use and free code editor
Atom editor mac version download
The most popular open source editor
SAP NetWeaver Server Adapter for Eclipse
Integrate Eclipse with SAP NetWeaver application server.
MinGW - Minimalist GNU for Windows
This project is in the process of being migrated to osdn.net/projects/mingw, you can continue to follow us there. MinGW: A native Windows port of the GNU Compiler Collection (GCC), freely distributable import libraries and header files for building native Windows applications; includes extensions to the MSVC runtime to support C99 functionality. All MinGW software can run on 64-bit Windows platforms.
