🌟 Introduction In a distributed SQL engine such as YugabyteDB, query performance hinges on the optimizer’s ability to choose the right execution […]
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When the CBO Doesn’t Choose a Local Covering Index (And How to Work Around It)
📝 Introduction YugabyteDB’s cost-based optimizer (CBO) is designed to pick the lowest-cost execution plan. When using duplicate covering geo-localized indexes, this usually […]
Read MoreStoring 128-bit Integers in YugabyteDB (YSQL)
💡 Intro YSQL (like PostgreSQL) gives us INT (32-bit) and BIGINT (64-bit), but there’s no native 128-bit integer. So what happens when […]
Read MoreFast multi-column IN deletes/updates with ROW tuples
Intro 🎁 Have you ever written a simple multi-column IN clause, something like WHERE ROW(a, b) IN ((1, 1), (2, 2)), and […]
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