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Disclosure: this post may contain links to books as an affiliate link. If you purchase through it, this site may earn a small commission at no extra cost to... The post 5 SQL Trick...
Hello guys, SQL (Structured Query Language) is one of the most essential skills of a programmer. I would rate this skill similar to UNIX if you are a professional programmer becaus...
Most "best SQL courses" lists are either too shallow (surface-level coverage that leaves you stuck at GROUP BY) or too generic (treating SQL as one skill when it isn't). The SQL a...
Times and tech are changing quickly. Let’s get you up to speed on the latest developments to do your work more quickly with a series of free live webcasts. How to Tune Indexes Fast...
Разберем топ вопросов на знание SQL, которые чаще всего задают на собеседованиях. Я собрала в этот топ свой опыт и опыт коллег, которые недавно проходили собеседования. Читать дал...
A SQL trigger is a piece of logic that runs automatically when data in a table changes. It fires on INSERT, UPDATE, or DELETE events. Sometimes you need your database to react when...
ソフトウェア開発の全工程を学ぶ新シリーズ「イチから全部作ってみよう」。第31回は、SQLの操作方法の解説をもう一歩進めた上で、実際にワインの商品データベースを作ってみる。
Optimizing Azure SQL Database performance often begins with identifying the most resource-intensive queries. Understanding which queries consume the most DTU (Database Transaction...
In this tutorial, we build a comprehensive, hands-on understanding of DuckDB-Python by working through its features directly in code on Colab. We start with the fundamentals of con...
Recently I ran across some code that used a lot of QUOTENAME() calls. A colleague was having some trouble with the code, but what struck me was that I... The post QUOTENAME Basics:...
Summary Here’s a story: a team trained a model, and everything worked fine — until their dataset doubled. Suddenly, their R pipeline crawled to a halt. The culprit? Compute context...
How to turn an interview-style SQL query into a production-ready, testable, version-controlled workflow.
In this live stream recording, I’ll show you how to use the latest features of sp_BlitzCache to rapidly improve performance on an existing server. I’ll show you how to find your se...
SQL Server performance issues are a common pain point for database administrators. One of my most challenging scenarios occurred after deploying a financial analytics database upda...
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Reviewed by: Sumit Sarabhai If you’ve been writing SQL in Python, you already know the debate: positional parameters (?) or named parameters (%(name)s)? Some developers swear by th...
Most organizations believe modern platforms like Microsoft Fabric made T‑SQL optional. On the surface, pipelines run, reports refresh, and stakeholders see charts — so it is easy t...
ソフトウェア開発の全工程を学ぶ新シリーズ「イチから全部作ってみよう」。第32回は、さらに一歩踏み込み、PythonプログラムからSQLを実行してデータベースを操作する方法を解説する。
Hello, dear blog reader. Today’s post is coming to you straight from the home office, ready to talk about a topic that comes up more than you’d think: storing... The post Beyond VA...
Opening — The Real Bottleneck Isn’t Data, It’s Language Everyone swears their company is “data‑driven.” Then they open SQL Management Studio and freeze. The dashboard may as well s...
This series covers core JDBC operations from fundamentals to practical patterns. The post JDBC Series first appeared on Baeldung.
I had a few random questions from my Running a Local LLM on Your Laptop session at the Houston AI-lytics 2026 event last week, so this post looks at... The post Questions and Answe...
Originally appeared on Saeloun Blog.Slow database queries can significantly impact the user experience of any Rails application. Identifying and fixing these performance bottleneck...
In this quiz, you’ll test your understanding of the tutorial Data Management With Python, SQLite, and SQLAlchemy. By working through this quiz, you’ll revisit how Python, SQLite, a...
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