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Data Pipeline and ETL (Extract, Transform, Load) Process/Tool and ELT
The ETL (Extract, Transform, Load) process/tool to collect, clean, and store data in a structured format. Extract (निकालना): सबसे पहले, डेटा को विभिन्न स्र…
What is Data Lake
A data lake is a centralized repository that allows you to store all your structured and unstructured data at any scale. You can store your data as-is, wit…
What is View in SQL server
A view is a virtual table based on the result-set of an SQL statement. A view contains rows and columns, just like a real table. IF OBJECT_ID('ViewTable','…
DBA
Setting up a lab environment for the course. Option 1 (Limited Resources) : Use a computer, laptop, or workstation with Windows 10 installed. Install SQL S…
Spark Transformations, Actions and Lazy Evaluation and DAG.
Apache Spark RDD supports two types of Operations: Transformations Actions A Transformation is a function that produces new RDD from the existing RDDs but …
SQL Server Backup & Recovery Complete Guide
Introduction Agar tum Database Administrator (DBA) ya developer ho, to ek cheez yaad rakhna: 👉 “Backup hi sabse bada insurance hai database ka.” Is blog me...