Full table scan vs index scan

Good understanding of #Indexes is very important while working in a #database and #SQL and that's why you will find many questions based upon indexes on Programming Job #interviews.
In this video, we'll go through each three i.e. table scan, index scan, and index seek and try to understand how database process a particular query hence a basic understanding of database, SQL and index are required.

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Видео Full table scan vs index scan канала DBA Genesis