1 points, 0 comments on Hacker News
1 points, 1 comments on Hacker News
1 points, 0 comments on Hacker News
Why you'd need this WebSocket connections are the right call when you need every update the instant it happens and you're fine holding a persistent connection open to get it. But a lot of systems don't need that. They need to know when a specific thing happens, a goal, a match ending, a status ...
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Imagine you are searching for one particular student's record in a database containing millions of students. Without any special mechanism, the database may need to examine a large number of rows to find the required record. This raises an important question: How can a database find the require...