![]() The (I) is extended from (I), and it is used for precompiling SQL statements that might contain input parameters. Com mysql jdbc preparedstatement driver#executeQuery() :Returns a ResultSet from the current prepared statement. PreparedStatement is the object of a JDBC driver software supplied Java class that implements (I).execute():This returns a boolean value and executes a static SQL statement that is present in the prepared statement object.Implementation: Once the PreparedStatement object is created, there are three ways to execute it: Statement pstmt = con.prepareStatement(query) To do the same in Java, one may use Prepared Statements and set the values in the ? holders, setXXX() of a prepared statement is used as shown: String query = "INSERT INTO people(name, age)VALUES(?, ?)" In this, “?” is used instead of the parameter, one can pass the parameter dynamically by using the methods of PREPARED STATEMENT at run time.Ĭonsidering in the people database if there is a need to INSERT some values, SQL statements such as these are used: INSERT INTO people VALUES ("Ayan",25) Prepared Statement represents a recompiled SQL statement, that can be executed many times. Output: Name and age are as shown for random inputsĢ. With MySQL Connector/J, the name of this class is. The easiest way to do this is to use Class.forName() on the class that implements the interface. ResultSet executeQuery(String SQL):Returns a ResultSet object. Let’s follow above steps in code: 1) Load JDBC driver. Com mysql jdbc preparedstatement update#
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