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I’ve seen most coders use Capital letters while writing MySQL queries, something like
"SELECT * FROM `table` WHERE `id` = 1 ORDER BY `id` DESC"
I’ve tried writing the queries in small caps and it still works.
So is there any particular reason for not using small caps or is it just a matter of choice?
It’s just a matter of readability. Keeping keywords in upper case and table/column names lower case means it’s easier to separate the two when scan reading the statement .: better readability.
Most SQL implementations are case-insensitive, so you could write your statement in late 90s LeEt CoDeR StYLe, if you felt so inclined, and it would still work.