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A cron job that worked perfectly for six months suddenly runs two hours early. A payment dashboard shows yesterday's revenue in today's column. Session tokens expire at unpredictable times. These bugs ...
Quite often in my practice, I see people use varchar fields with a small and limited number of available options. Let's check out today what field data type is better and will be the best approach for ...
A tool which treats CSV and JSON files as SQL tables, performs SQL SELECT queries on them, and stores the result into CSV and JSON files. Many tools and systems can export their data to CSV. Typical ...
This project enables anyone to get historical and up-to-date price information at the 1-minute level of granularity for the two largest cryptocurrency projects at the moment, Bitcoin and Ethereum. The ...
Shelley Doll finishes her coverage of SQL data types with an overview of datetime and interval data types. Learn more about the basic syntax of these standard SQL types. Datetimes and intervals are ...
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