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sp_executesql in SQL Server
What is sp_executesql ? Every SQL Server developer reaches a point where they need to build a SQL query at runtime — where the table name, column list, or fi...
SQL Server Data Archiving System
Introduction As databases grow, performance starts degrading. Queries become slow, indexes become heavy, and maintenance becomes difficult. This is where dat...
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...
SQL Server Configuration Manager
Introduction Jab hum Microsoft SQL Server install karte hain , tab kuch important tools automatically install ho jate hain. Unme se ek bahut important tool…
PySpark Built-in Functions
...o compute things like sum, average, max, min, count, etc. PySpark functions come fr…
Spark session vs Spark context
In Apache Spark, SparkSession and SparkContext are both essential components, but they serve different purposes and have different scopes. Here's a detaile…