It's difficult . for example , In SQL Server , there is a col type call identity . but in oracle , it's impossible to use it . And you have to use trigger and sequence to simulate its function .And the Function , Stored Procedure ,Package , Trigger syntax are all very different
RobinHZ(熊掌):存储过程很麻烦吗?
but in oracle , it's impossible to use it . And you have to use trigger and sequence to simulate its function .And the Function , Stored Procedure ,Package , Trigger syntax are all very different