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Bendono (9) [Avatar] Offline
Page 34, quote:

When SQL queries run concurrently, locks need to be held to ensure the integrity of any changes. For example, a SELECT statement will issue locks that may prevent an UPDATE statement from running, since the latter will want exclusive access to the relevant records. _Thee_ locks can result in blocking, _with_ causes queries to run more slowly, and potentially lead to client timeouts, or at its extreme deadlocks.

The last sentence has two typos and is a little unnatural to read.

1) Thee --> These
2) with --> which
3) and potentially lead to --> and _may_ potentially lead to
ian.stirk (27) [Avatar] Offline
Re: Typos, page 34
Hi Bendono,

Thank you for pointing out these typos. I will update the documents.