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Tech Blog

Technical content covering many different fields including artificial intelligence, data engineering, data science, software engineering, cloud/DevOps Engineering, and many more.

Evidence Nwangwa | Jun 14, 2024

SQL LAG window function returns the previous value from the current row. Confused? Keep reading and I will clarify what this means with ...

Evidence Nwangwa | Jun 01, 2024

SQL LEAD Window function syntax, explain syntax meaning, provide multiple usage examples, and use the examples to explain LEAD SQL Window ...

Evidence Nwangwa | May 16, 2024

Open & Create Databases in DB Browser, Create Tables & Views, Add data to tables, Open more than one database, Run SQL Queries in DB ...

Evidence Nwangwa | May 10, 2024

Shows you how to install SQLite on your local Windows or Mac Computer using SQLite DB Browser and SQLite Studio and which one to choose.

Evidence Nwangwa | Feb 08, 2024

SQL Order of Operations determines what order SQL queries & clauses are evaluated and executed. Understanding this is useful for query ...