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PreparedStatement
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Joseph Sweet
Ranch Hand
Joined: Jan 29, 2005
Posts: 327
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Hi to all,
I have read once that PreparedStatement can be used to verify that the parameters it gets do not violate the SQL syntax (?) or even can prevent SQL injection (???).
I cannot find that article.
Do you know where on the web they explain how to do that?
Many thanks!
[ May 01, 2005: Message edited by: Joseph Sweet ]
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We must know, we will know. -- David Hilbert
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Joseph Sweet
Ranch Hand
Joined: Jan 29, 2005
Posts: 327
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Does anyone know?
[ May 01, 2005: Message edited by: Joseph Sweet ]
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Jeanne Boyarsky
internet detective
Marshal
Joined: May 26, 2003
Posts: 26138
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Joseph,
Devx has an article on this.
When you use a PreparedStatement, it handles escaping special characters for you. In particular, unescaped quotes violate the SQL syntax. Certain forms of them can allow you to return the full table instead of a subset or even execute a stored procedure. If you search this forum for SQL injection, you will see some examples.
Note that it is good to wait at least 24 hours before bumping a post. Especially on a weekend. Many people, myself included, only go online once a day. More details at PatienceIsAVirtue.
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Joseph Sweet
Ranch Hand
Joined: Jan 29, 2005
Posts: 327
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Thank you.
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subject: PreparedStatement
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