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The Best most Frequently Asked SQL Interview Questions and Answers

SQL Interview Questions and Answers

I know you are looking for such an important question to crack upcoming interview. So, without wasting time. We move towards SQL interview questions and answers. What is the difference between ‘HAVING’ CLAUSE and a ‘WHERE’ CLAUSE? HAVING clause use only with SELECT statement. It is usually used in a GROUP BY clause and whenever …

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Postgres Backup and Restore Full Guide

postgres backup and restore

This tutorial is full guide on how to take postgres backup and restore with examples. Besides, it is providing live exercises for hand on experience. This tutorial covers following topics:1) PostgreSQL Logical backup2) PostgreSQL Logical restore3) PostgreSQL Physical Backups4) PostgreSQL Physical Restores5) Lab exercises covering Logical Backup & Restores6) Lab exercise covering Physical Backup & …

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How to add basemap in Qgis?

How to add Basemap in QGIS.png

Click Plugins in Menu
Manage and Install Plugin…
Search OpenLayers Plugin
After Install Plugin go to Web Menu
Find openlayer Plugin
Select any map like Google Maps, Bing Maps, OSM or Apple Maps