From what I’ve seen, mass delete and inserts lock up a table.
Would mass update cause the same problem? I thank you in advance.
From what I’ve seen, mass delete and inserts lock up a table. Would mass
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From what I’ve seen, mass delete and inserts lock up a table.
Would mass update cause the same problem? I thank you in advance.
The answer to your question depends on the storage engine used by the table in question.
If your table is backed by MyISAM, the entire table will be locked for the duration of the update. On the other hand, if you’re using Innodb, only the rows scanned along with gaps in the index will be locked. You’re free to read/write from/to other rows.
See