11.JBean跟Hibernate

11.JBean和Hibernate

* Double click id filed

* Select Hibernate Tab

* Please enter the custom generator name, for example: hibernate-generator

* Please select a strategy type, for example: uuid

If you want to create a cross-platform database primary key, you can choose uuid strategy. UUID as a 32-character hexadecimal string.

* Select id JPA->TableColumn Tab

* Please enter the column length: 32

Generate SQL Script

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create table Base (id varchar(32) not null, name varchar(255), primary key (id));

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create table Base (id varchar2(32 char) not null, name varchar2(255 char), primary key (id));

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create table Base (id varchar(32) not null, name varchar(255) null, primary key (id));

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