本文介绍了PreparedStatement或callableStatements的处理方法，对大家解决问题具有一定的参考价值，需要的朋友们下面随着小编来一起学习吧！
问题描述
我试图了解PreparedStatements& CallableStatements，我听不懂.因此，任何人都可以将以下sql查询转换为CallableStatement.我知道如何将Statement转换为PreparedStatement，但是CallableStatements遇到问题.
I tried to understand the difference between PreparedStatements & CallableStatements and I couldn't get it. so please can anyone convert following sql Query to CallableStatement. I know how to convert Statement into a PreparedStatement but having problems with CallableStatements.
作为java.sql.Statement
SELECT * FROM Customer WHERE customerId = 'C001'
作为java.sql.PreparedStatement
SELECT * FROM Customer WHERE customerId = ? //set customerId using preparedStatement.setString(1,"C001")
如何在CallableStatements
提前谢谢！
推荐答案
因此，它不能用于执行查询.
And as such, it can not be used to execute queries.
这篇关于PreparedStatement或callableStatements的文章就介绍到这了，希望我们推荐的答案对大家有所帮助，也希望大家多多支持！