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 theFROMclause for just using theUPPER()function. Fortunately, Oracle provides you with theDUALtable which is a special table ...
you reset dual backto1row after your testingoryou just totally broke your database!7)likeI said, duals magic, the optimizer knows all about what DUAL should beanddoes things basedonthat.8) dual = magic. dualisa one row table however having morethen1orlessthenoneisdangerous. You are updat...
dual是一个表,有一个名为DUMMY,类型为VARCHAR2(1)。DUMMY这个词在英文中的含义为“something designed to resemble and serve as a substitute for the real...
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...
CIt must contain an IFILE parameter for each instance’s inpidual parameter file. DIt must be located in the default location for the primary instance’s parameter file. 该题目是单项选择题,请记得只要选择1个答案!正确...
What is the purpose of CEIL/CEILING? What is the purpose of ABS function? What is SOUNDEX function? Wht is Dual Table in Oracle? Explain DBCC EXTENTINFO Explain briefly about RowLevel Compression Why column Store Index are suitable for large data warehouses? What is the benefit of...
I think that error is coming from oracle database. I'm not too familiar with Oracle but dual is an oracle table. Does the refresh always succeed with Tableau Desktop and fail with Tableau Server? Are you using any kind of custom sql? UpvoteReply kate summer (Member) Edited April 30, 20...
The most common strong authentication policy is dual-factor authentication. When logging in to the system, a user needs to provide not only the user name and password, but also the items bound to the user name and password (for example, USB keys are widely used in online banking), or ...
The most common strong authentication policy is dual-factor authentication. When logging in to the system, a user needs to provide not only the user name and password, but also the items bound to the user name and password (for example, USB keys are widely used in online banking), or ...
The Dual Mode Reconciliation feature has been desupported from release 9.0.4.3 onward. Changes in the Directory Structure of the Connector Files on the Installation Media ThexliIPlanet.jarfile has been split into two files,SJSDSProv.jarandSJSDSRecon.jar. Corresponding changes have been made in ...