[英]what does SAP HANA's := syntax do?
I was looking at some SAP HANA stored procedures and I saw some expressions like this: 我正在查看一些SAP HANA存储过程,并且看到了一些类似这样的表达式:
declare str nvarchar(50);
str := N'test';
As far as I can see, str = N'test';
据我
str = N'test';
, str = N'test';
works just fine, what exactly does the :=
operator do? 正常工作,
:=
运算符究竟能做什么?
它是变量的赋值。
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