Shulou(Shulou.com)05/31 Report--

The main content of this article is to explain "what is the error-prone update operation". Interested friends may wish to take a look. The method introduced in this paper is simple, fast and practical. Let's let the editor take you to learn what is the error-prone update operation.

When we deal with multi-valued update in a SQL, we are not confused by and' and mistakenly write','as' and''.

Let's take a look at the difference between the two statements. We aim to id the beijing table

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