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I was going through differences between Statement and PreparedStatement in JDBC and saw so many advantages here and here with PreparedStatement in comparison with Statement.
Some of my colleague was asking why we still need Statement and why it is not deprecated looking at the advantages of PreparedStatement.
So is there any reason why we still have the Statement in JDBC API?
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Following are the limitations of prepared statements: Since a PreparedStatement object represents only one SQL statement at a time, we can execute only one statement by one prepared statement object. To prevent injection attacks it does not allow more than one value to a place holder.
PreparedStatement provides different types of setter methods to set the input parameters for the query. PreparedStatement is faster than Statement. It becomes more visible when we reuse the PreparedStatement or use it's batch processing methods for executing multiple queries.
1. PreparedStatement in Java allows you to write a parameterized query that gives better performance than the Statement class in Java. 2. In the case of PreparedStatement, the Database uses an already compiled and defined access plan, this allows the prepared statement query to run faster than a normal query.
Prepared statements are much faster when you have to run the same statement multiple times, with different data. Thats because SQL will validate the query only once, whereas if you just use a statement it will validate the query each time.
PreparedStatement is used to handle the dynamic SQL queries, where Statement is used to handle static SQL queries.
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