Union and Union all
The only difference between Union and Union All is that Union removes duplicate record and Union All will not removes duplicate rows or records.
Difference between union and union all?
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shohal
I have profession and personal attachment with custom ERP Software development, Business Analysis, Project Management and Implementation almost (36) ,also Oracle Apex is my all-time favorite platform to developed the software. Moreover i have some website development experience with WordPress. For hand on networking experience DevOps and CCNA, it create me a full package. Here are some core programming language with networking course i have been worked: Oracle SQL ,PL/SQL,Oracle 19c Database , Oracle Apex 20.1,WordPress,Asp.Net ,MS SQL ,CCNA ,Dev Ops, SAP SD