Tag: what is

What is DuckDB?

Posted on by Ian

This article takes a look at DuckDB, a modern database management system (DBMS) designed specifically for data analysis and processing.

Often described as the “SQLite for analytics,” DuckDB is lightweight, embeddable, and highly efficient, making it a popular choice for those working with structured data.

Whether you’re considering DuckDB for your projects or simply curious about its capabilities, this article will give you a basic overview of what it is and how it fits into the data analytics landscape.

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An Introduction to SQLite’s LIKELY() Function

Posted on by Ian

SQLite provides a range of tools to help optimize query execution. One of these is the likely() function, which helps developers guide the query planner by hinting at the probability of certain conditions being true.

In this article, we’ll look at the likely() function, understanding how it works, its syntax, some use cases, and its impact on query performance.

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An Overview of the LIKELIHOOD() Function in SQLite

Posted on by Ian

SQLite is a lightweight, serverless database engine widely used for its simplicity and flexibility. Among its many functions, the likelihood() function is a handy option that allows you to influence query planning by providing hints about the probability of certain conditions being true.

This article explores the details of the likelihood() function, its syntax, use cases, and a practical example to demonstrate its application.

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Understanding Julian Day

Posted on by Ian

Julian day is a concept you might occasionally encounter in SQL code or database operations, particularly when working with date and time functions. While it may seem esoteric at first, understanding Julian day can be incredibly useful for handling date calculations, especially in fields like astronomy, data analysis, and historical research.

This article looks at the origins, calculations, and practical applications of Julian day, including examples of converting between Julian day and other date formats in SQL.

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An Introduction to Strict Tables in SQLite

Posted on by Ian

SQLite is widely known for its simplicity, flexibility, and lightweight architecture. One feature that sets it apart from most other SQL databases is its dynamic typing system, which allows columns in a table to store data of any type, regardless of their declared type.

While some developers welcome this departure from the traditional SQL approach, others find it extremely problematic, due to its non-enforcement of data types, which could potentially lead to data integrity issues.

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