select 1 from dual oracle

Discover select 1 from dual oracle, include the articles, news, trends, analysis and practical advice about select 1 from dual oracle on alibabacloud.com

Dual usage in Oracle

Basically, Oracle introduced dual as a syntax-compliant1. We start with the name, dual is not an abbreviation, itself is the complete word. Dual noun means logarithm, when doing adjectives refers to two heavy, two yuan.2. The dual table in Oracle is

[ORACLE] Explain the oracle dual table

1. Use of DUAL tables Dual is an existing table in Oracle that can be read by any user. It is often used in Select statement blocks without a target table-view the current connected user SQL> select user from dual; USER ------------------------------

Oracle Dual table details

Oracle Dual table details 1. Use of DUAL tablesDual is an existing table in Oracle that can be read by any user. It is often used in Select statement blocks without a target table.-- View the current connected userSQL> select user from dual;USER-----

An explanation of the dual table in Oracle

Oracle the dual table in the detailed1,DUALpurpose of the tableDual is a physically existing table in Oracle that can be read by any user, often in a SELECT statement block without a target table--View current connected userSql> Select User from

Oracle's Dual Table

1, the use of dual tableDual is a physically existing table in Oracle that can be read by any user, often in a SELECT statement block without a target table--View current connected userConnected to Oracle Database 10g Enterprise Edition Release 10.1.

Oracle's Dual Table detailed

1, the use of dual table Dual is an actual table in Oracle that can be read by any user and is often used in a SELECT statement block that does not have a target table (1) View current connected users Sql> Select User from dual; USER -----------

Funny test of dual table

Funny test of dual table C:/> sqlplus "/As sysdba" SQL * Plus: Release 9.0.1.0.1-production on Thu Aug 8 09:20:57 2002 (C) Copyright 2001 Oracle Corporation. All rights reserved. Connected:Oracle9i Enterprise Edition Release 9.0.1.1.1-ProductionWith

Oracle Study Notes dual table

Recently, Oracle encountered a special table dual. I think oracle users have a special liking for dual. As a result, I found some posts on the Internet and thought it would be better to post them here for everyone to learn. Dual is a virtual table

Introduction to the use of dual tables in Oracle

Dual is a virtual table used to form the select syntax rule. oracle ensures that there will always be only one record in dual. We can use it to do a lot of things, as shown below: view the current Dual is a virtual table used to form the select

Oracle dual table usage

  Dual is a virtual table used to form the select syntax rule. Oracle ensures that there will always be only one record in dual. We can use it to do a lot of things, as shown below: 1. view the current user. You can execute the following statement

Total Pages: 15 1 2 3 4 5 .... 15 Go to: Go

Contact Us

The content source of this page is from Internet, which doesn't represent Alibaba Cloud's opinion; products and services mentioned on that page don't have any relationship with Alibaba Cloud. If the content of the page makes you feel confusing, please write us an email, we will handle the problem within 5 days after receiving your email.

If you find any instances of plagiarism from the community, please send an email to: info-contact@alibabacloud.com and provide relevant evidence. A staff member will contact you within 5 working days.

A Free Trial That Lets You Build Big!

Start building with 50+ products and up to 12 months usage for Elastic Compute Service

  • Sales Support

    1 on 1 presale consultation

  • After-Sales Support

    24/7 Technical Support 6 Free Tickets per Quarter Faster Response

  • Alibaba Cloud offers highly flexible support services tailored to meet your exact needs.