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Asked: 2026-05-21T04:39:55+00:00

I’m trying to figure out if: SELECT * FROM tbl_mine is slower than: SELECT

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I’m trying to figure out if:

SELECT * FROM tbl_mine

is slower than:

SELECT this_column,that_column FROM tbl_mine

in my MySQL queries. Can anyone speak to this based on experience?

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1 Answer

  1. Editorial Team

    It’s slower because the database has to send more data back to the client, but unless the data you’re selecting is substantial this delay (on a simple query like you’ve provided) should be negligible. In other words, if you have a table with three fields, SELECT field1, field2, field3 FROM table is the same as SELECT * FROM table.

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