How do you search for a value quickly? Create an index. What do you have to remember to do when joining two tables together? Create an index. How do you speed up a SQL statement that’s beginning to run slowly? Create an index. But what are indexes, exactly? And how do they speed up our database searches?
The absolute worst thing about B+Trees is their name. It is like someone maliciously considered all the possible names and then selected the most confusing one.
The amounts of data processed by applications are constantly growing. With this growth, scaling storage becomes more challenging. Every database system has its own tradeoffs. Understanding them is crucial, as it helps in selecting the right one from so many available choices.