Comparing Hibernate and JDBC: First: Hibernate as the ORM, there is a problem inherent in ORM is due to persistent objects in sync, not able to use the bulk delete and bulk update sql, can only be amended in accordance with a primary key to operate.
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org.apache.catalina.core.ApplicationContext log Information: java.lang.ClassCastException: [Ljava.lang.Object; cannot be cast to com.miracle.dm.doc.catalog.model.DocCatalogInfo The original query: String sql = "select a. * from tb_doc_catalog a where
http://blog.csdn.net/foamflower/archive/2009/04/25/4121611.aspx Last night to help my colleagues to see the code to 2 am more than 6:00 woke up this morning sent a message saying that he reported that a null pointer error, I can not sleep a bit up th
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HQL: Hibernate Query Language (Transfer from the official website) Chapter 15 HQL: Hibernate Query Language Hibernate is equipped with a very powerful query language, this language looks very much like SQL. Grammatical structure but do not be fooled
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