sys_guid () a good way of bulk insert the primary key

2010-03-25  来源:本站原创  分类:Database  人气:295 

Today, a project needs to bulk insert data, as the primary key field is not given, so when the bulk import of data, the primary key fields must be filled, but the bulk insert, I find a lot of information on the final decision to use sys_guid () this function.
eg: insert into a (id, name, age) select sys_guid (), name1, age1 from b;

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