Why does or 1 '= 1 work?
Password: anything 'or'1'='1 The password is not 'anything', hence password=anything results in FALSE, but '1'='1' is a TRUE statement and hence returns a TRUE value. Finally, due to the OR operator, the value (FALSE OR TRUE) is TRUE, so authentication bypasses successfully. Lees verder »
Bron: developer.mozilla.org
Why do we do WHERE 1 1 in SQL?
By starting your WHERE clause with 'WHERE 1=1', you're setting up a logical condition that will always be true. This means any additional conditions appended to your WHERE clause using AND or OR operators will work as intended without needing to worry about whether they're the first condition in the sequence. Lees verder »
Bron: www.sql-easy.com
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