Optimizing SQL query for billions of records table – a powerful tips
For a table with billions of records, optimizing SQL query is crucial. The main problem with the query is that it applies…
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15 Essential SQL Tips You Can’t Live Without
Whether you’re optimizing performance or simplifying your queries, these SQL tips from mietwood.com will help you write cleaner, faster, and more efficient…
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How Works Recursive CTE in SQL Server?
A CTE Common Table Expression is a temporary result set that you can reference within a SELECT, INSERT, UPDATE, or DELETE statement. A recursive CTE in SQL Server is a special…
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10 Tips How To Make SQL Lighter
To optimize your queries for better performance and a lighter load on the database, consider the following 10 Tips How To Make…
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Data Science | Python | SQL
Python for analysts most important datetime functions
Python’s powerful date and time functions using the datetime and pandas libraries gives you a robust date table ready for Power BI…
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Moving average in SQL
The post will explore two methods for creating a moving average in SQL Server. The older methods using linking and correlation queries…
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Data Science | Python | SQL
Advanced Programming in SQL and Python – the course for business analysts
Advanced Programming in SQL and Python – the course for business analysts – this course aims to equip students with advanced skills…
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Data Science | Python | SQL
Database Normal Forms Every Developer Should Know
Normalization aims to eliminate redundancy and enforce data integrity by organizing data into logical, dependency-driven forms.
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Data Science | Python | SQL
How To Set The First Day of Week DATEFIRST
How To Set The First Day of Week DATEFIRST – SET DATEFIRST = 1 sets the first day of the week to…
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The PIVOT operator in SQL
The PIVOT operator in SQL Server is an advanced relational operator that helps transforming and reorganizing data in a tabular format, enhancing…
