I need to get a value in Oracle SQl with Quotes Example
SQL: SELECT mrpid from demandbasic;
MRPID
------------
DEM#000001
我需要取得结果。
MRPID
------------
DEM#000001
如何取得预期结果
I need to get a value in Oracle SQl with Quotes Example
SQL: SELECT mrpid from demandbasic;
MRPID
------------
DEM#000001
我需要取得结果。
MRPID
------------
DEM#000001
如何取得预期结果
顺便提一下,它用的是“Q”机制。 你可以这样做:
select q [ ] || mrpid || q [ ] from demandbasic;
采用Michael s在回答中描述的正常引用,就象这种简单例子一样,更有意义,但是,如果引用的案文本身含有单一引文,则“q-quote”技术更方便使用。
Related links:
The Q-quote mechanism
Oracle Documentation
仅凭逃跑的引证,便可:
SELECT || mrpid || AS mrpid FROM demandbasic;
Four single-quotes
is one string literal single-quote. That is, one quote escaped as
and surrounded in quotes to be a string literal.
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