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mysql optimization - the situation behind mysql update, delete and insert operations on multiple pieces of data

1.Update, delete and insert operate multiple pieces of data, adding, modifying and deleting one by one. Is this correct?
2. Is there any way to prove it?

为情所困为情所困2807 days ago830

reply all(1)I'll reply

  • PHP中文网

    PHP中文网2017-05-27 17:41:00

    Read the documentation yourself, this kind of question is too unhelpful.
    Whether a statement is executed correctly, the SQL engine will report it.

    In addition, insert can insert many rows of data at one time. Please refer to the values ​​syntax for the specific method.

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