In Oracle, theSELECTstatement must have aFROMclause. However, some queries don’t require any table for example: SELECTUPPER('This is a string')FROMwhat_table;Code language:SQL (Structured Query Language)(sql) In this case, you might think about creating a table and use it in theFROMclaus...
1.What is the dual table, what is its purpose. dual is just a convienence table. You don't need to use it, you can use anything you want. The advantage to dual is the optimizer understands dual is a special one row, one column table -- when you use it in queries, it uses thi...
According toWikipedia, the DUAL table was created by Oracle staff member Chuck Weiss. It was originally used to join internal views: I created the DUAL table as an underlying object in the Oracle Data Dictionary. It was never meant to be seen itself, but instead used inside a view that wa...
Unlike those offered by many of the first-generation ASPs and other SaaS vendors, Oracle's SaaS business applications are modern and next-generation and backed by the Oracle name as well as the billions of dollars it has invested in software development and infrastructure to build and deliver it...
Unlike those offered by many of the first-generation ASPs and other SaaS vendors, Oracle's SaaS business applications are modern and next-generation and backed by the Oracle name as well as the billions of dollars it has invested in software development and infrastructure to build and deliver it...
Also, like otherrelational databasetechnologies, Oracle Database uses a row and column table structure that connects related data elements in different tables to one another; as a result, users don't have to store duplicate data in multiple tables to meet processing needs. The relational model ...
See Configure an Oracle Cloud Application. Application Extension template removed The Application Extension template, featured in the Templates step of the New Project wizard, is no longer available. While you can derive the same functionality by creating an empty project, an environment that points...
Oracle Internet Directory server reports duplicate attribute values in the attr_uniqueness_log table. You can scan the attr_uniqueness_log table to determine and then cleanup the duplicate values. See Section 19.2, "Cleaning Up Duplicate Attribute Values." Diagnostics Improvements: You can specify tha...
For more information, see What is a contained availability group? Distributed availability group Now using multiple TCP connections for better network bandwidth utilization across a remote link with long tcp latencies. Improved backup metadata backupset system table returns last valid restore time. See ...
SQL Server service is set to Automatic (Delayed Start) start modeIn SQL Server 2022 (16.x) and later versions, when you set the Start Mode for a SQL Server service to Automatic in Configuration Manager, the service starts in Automatic (Delayed Start) mode instead, even though the Start ...