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SQL

Dynamic Date Series in SQL Server (Financial Year + Calendar Year Handling)

...L Server, one common requirement is generating a continuous date series between two dates — especial...

SQLServer TSQL DateSeries
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Mar 19, 2026 6 min read
SQL

SQL Server Index Complete Guide

SQL Server Index kya hota hai? Clustered, Non-Clustered, Covering, Filtered, Columnstore — sab kuch ek hi blog mein. Beginners se experts tak, Hinglish mein...

SQL Server Index Clustered Index Non-Clustered Index
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Mar 19, 2026 36 min read
PySpark

PySpark Built-in Functions

These functions are commonly used with groupBy() , agg() , or select() to compute things like sum, average, max, min, count, etc. PySpark functions come fr…

Aggregate apache spark for beginners big data tutorial
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Mar 19, 2026 2 min read
Python

DateTime in Python

In Python, the datetime module provides classes for manipulating dates and times. It offers several functions and methods to create, manipulate, and format…

Python
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Mar 19, 2026 3 min read
SQL

SQL Server User-Defined Functions (UDF)

SQL Server ke saare User-Defined Functions — Scalar, Inline TVF, MSTVF — ko ek jagah samjho. Real examples, performance tips, aur interview questions ke saath.

SQL Server UDF User Defined Function SQL Scalar Function SQL Server
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Apr 29, 2026 18 min read
SQL

SQL Server Deadlock & Performance Monitoring Made Easy

Introduction In SQL Server, performance issues are very common. Sometimes queries run slow, sometimes users get stuck, and sometimes the system becomes unres...

SQLServer DBA PerformanceTuning
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Mar 19, 2026 52 min read