Search results for "secondary index"
PRIMARYindex. Unfortunately, this same problem exists in secondary indices, and usually to an even greater effect since the data are rarely ordered at insertion time. ... read more
ORDER BYclause are implementation specific. We also observed that in InnoDB, this implementation-specific behaviour tends to be the order of records as they are sorted in the index from which ... read more
REPEATABLE READ(what a mouthful!), then today's Fun MySQL fact is for you! I found myself ... read more
Using wherequite a lot lately and you might be wondering, "there must be a better way". There is. In MySQL 5.6 and beyond, queries may leverage the Index Condition Pushdown Optimisation. ... read more
OFFSET. We looked at a rather "simple" case where we were paging on a primary or unique key, but in some cases, that's not good enough. This is especially true in a system where the primary or unique ... read more