Скачать или смотреть UNION AND UNION ALL SET OPERATOR IN ORACLE SQL

This video is to understand the difference between union and union all set operations. Along with that we have also showed some simple solution to the 'ORA-01789: query block has incorrect number of result columns' error message.

If you want more such videos of exciting and amazing 'difference between' concepts, check out the links below :


char and varchar2 :    • DIFFERENCE BETWEEN CHAR AND VARCHAR2 DATAT...  
replace and translate :    • Replace and Translate in sql  
procedure and function :    • Difference between Procedure and Function  
in and exists :    • IN VS EXISTS VS JOIN, performance  
rank and dense_rank :    • Row Number, Rank and Dense Rank in sql | A...  
delete and truncate :    • Difference between Delete and Truncate and...  
%type and %rowtype :    • type and rowtype PL/SQL | difference betwe...  


Subscribe to the channel :    / @kishanmashru  

Other Playlists:
Data Warehousing Concepts:    • Data Warehousing Concepts  

Python and Database:    • Python | How to Install python packages  

SQL and PL/SQL Interview Questions:    • SQL AND PL/SQL INTERVIEW QUESTIONS  

SQL and PL/SQL concepts:    • SQL and PLSQL  

Content and video created by : Kishan Mashru