@NotNull vs @Column(nullable = false)
2016-12-11 21:02
204 查看
相关文章推荐
- null只能通过is null或者is not null来判断,其它操作符与null操作都是false。
- KUDU-Got out-of-order key column: name: "ID" type: STRING is_key: true is_nullable: false
- NOT IN vs. NOT EXISTS vs. LEFT JOIN/ IS NULL
- Column name pattern can not be NULL or empty
- ORA-01442: column to be modified to NOT NULL is already NOT NULL
- SQL Server column not allow Null,insert failed
- SQL Server column not allow Null,insert failed
- Hibernate 注解@Column(nullable = false) 和 @Column(unique=true)
- 使用mysql-connector-java.jar连接MySql时出现:Error while retrieving metadata for procedure columns: java.sql.SQLException: Parameter/Column name pattern can not be NULL or empty.
- ORA-01442: column to be modified to NOT NULL is already NOT NULL
- android7.0 uri转图片路径遇到的问题:java.lang.IllegalArgumentException: column '_data' does not exist
- 数据库中is null(is not null)与=null(!=null)的区别
- Chrome下解决本地异步请求失败的问题(Origin null is not allowed by Access-Control-Allow-Origin. )
- iOS 泛型中nullable、null resettable、null kindof 用法详解
- XMLSchema validation error occured in: null ,line = 2, column = 1, Message = cvc-elt.1: Cannot find
- “(null)” is of a model that is not supported by this version of Xcode. Please use a different device.
- 关于EL标签中 no empty 疑惑加入判断一个list是否为空时 用 ${not empty list}个 ${... ne null} 有什么区别了 关于EL标签中 no empty 疑惑
- org.hibernate.PropertyValueException: not-null property references a null or transient value
- JPA保存数据异常:org.hibernate.AnnotationException: @COLUMN(s) NOT allowed ON a @ManyToOne property
- ibatis 中isNull, isNotNull与isEmpty, isNotEmpty区别