I have two tables I'm doing a join with. Table1 has a PK on an id column which is Unique.<BR><BR>Table2 has a PK on two columns, uid,id which is Unique.<BR><BR>If I do a:<BR><BR>SELECT Table1.id, ...

The indexes on a the tables of a large database make a huge difference in its performance and utility. Without an index, locating a single record in a large table can take several seconds; with the ...

In an earlier tip I discussed how indexes can speed up processing. It's only fair that I also talk about when indexes don't help. First: Because indexes don't always help but do always increase the ...

The open source MySQL spin-off has steadily added features all its own. Here are five good reasons to switch to MariaDB.