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Difference between delete and truncate in oracle database ?- SQL Interview question

Leave a Comment / Oracle DBA / By ankushthavali

In my previous blog , I have written about the future of oracle dbs jobs. If you are going for sql or oracle interview then most of the interviewer expect that you should know the difference between delete and truncate in oracle database. let’s see the difference between delete and truncate statement in oracle database. …

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How to copy data from one table to another ?- SQL Interview question

Leave a Comment / Technology Blog / By ankushthavali

Difference between delete and truncate sql command- Interview question

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Primary Key,Unique Key ,Null Key in SQL

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Querying on CSV file using Spark SQL

Leave a Comment / Uncategorized / By ankushthavali

Apache Spark SQL is a Spark module to simplify working with structured data using DataFrame and DataSet abstractions in Python, Java, and Scala. These abstractions are the distributed collection of data organized into named columns. It provides a good optimization technique. Using Spark SQL we can query data, both from inside a Spark program and …

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