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PreparedStatement and CallableStatement?

 
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Hi guys! Can anyone give the advantages/disadvantages of PreparedStatement/CallableStatement?Which one is better to use?
thanks!
raymond
 
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PreparedStatement is for regular SQL. CallableStatement is for prepared statements.
 
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Prepared statements are compiled only once and rest of the time just datas are placed
It is just same as that of writting a query in the sql plus.
like
insert into emp (id,name) values (?,?)
evey time you will say &
this same as that of prepared statement.
if you have oracle then you can see.
Callable statements are used to execute stored procedured
 
raymond yadao
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I've read some article on the internet that says callablestatement(stored proc) is much faster than the preparedstatement.the only problem is that using stored proc, you're tied up to a certain db.what if in the future you change db?
 
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Because you know which JDBC driver you are using. According to your driver you will write sql statement in Statement, PrepareStatement & Call... etc. As of I know all database has some variation to sql & not all has store procedure like on in Oracle using PL/SQL...just a input...
 
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