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Use of Apply(Cross and Outer) operator in SQL server
APPLY operator joins two table expressions. Also, I'll show how it differs from regular JOINs. Operator: CROSS APPLY Similar: INNER JOIN When to Use: Use a…
comma saparate database excel
Mar 19, 2026 3 min read
Spark SQL useful command
Spark SQL provides a variety of commands for managing databases, tables, and performing SQL operations. CREATE DATABASE IF NOT EXISTS demo; SHOW DATABASES;…
create table database spark sql
Mar 19, 2026 3 min read
Understanding show() in PySpark
In PySpark, the .show() function is used to display DataFrame content in a tabular format. Syntax of show() DataFrame.show(n=20, truncate=True, vertical=Fa…
show PySpark
Mar 19, 2026 2 min read