JAVA 中的SQL执行方法

iteye_18540

于 2011-07-11 16:03:31 发布

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分类专栏： Java百科文章标签： Java SQL

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来源：[url]http://www.coderanch.com/t/301594/JDBC/java/Difference-between-execute-executeQuery-executeUpdate[/url]


boolean execute()
Executes the SQL statement in this PreparedStatement object, which may be any kind of SQL statement.

ResultSet executeQuery()
Executes the SQL query in this PreparedStatement object and returns the ResultSet object generated by the query.

int executeUpdate()
Executes the SQL statement in this PreparedStatement object, which must be an SQL INSERT, UPDATE or DELETE statement; or an SQL statement that returns nothing, such as a DDL statement.