等号冒号的意思

优格酸奶 2013-06-25 10:37:23

String sql = "select * from inter.PBOSS_PRODUCT_INST t where t.SUBS_ID = :subsId ";
上述这段是在java代码中摘取的，请问SQL中的= ：是什么意思？

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优格酸奶 2013-06-30

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谢谢各位大神！明白了，是绑定变量！多谢！

陈字文 2013-06-29

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通常在程序里面会：1　　　：２　　这个只不过是将１写成了变量。ｊｄｂｃ的占位符

GCC-pig 2013-06-28

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占位符，用来绑定变量。

SKY_4K_PPM 2013-06-27

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站位符号而已

lzbbob1985 2013-06-26

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应该是绑定变量不是赋值的

perry185 2013-06-26

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:是SQL中绑定变量使用的

xiongwenhua365 2013-06-25

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占位符而已。

u010412956 2013-06-25

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是:=吧，在oracle中给变量赋值，就是用：=

善若止水 2013-06-25

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就是绑定变量为准

sych888 2013-06-25

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= :subsId = 为比较运算符 :subsId 占位符，用来做变量绑定

Wentasy 2013-06-25

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占位符，下面还有代码把给这个占位符赋值。

luoyoumou 2013-06-25

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就是绑定变量呢

u010412956 2013-06-25

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引用 1 楼 u010412956 的回复:

是:=吧，在oracle中给变量赋值，就是用：=

看错了、你说的是java代码中啊、绑定变量？

Vim 插件 Tabular 允许你在 Vim 中按等号、冒号、表格等来对齐文本，对于经常写代码的朋友来说，有 Tabular 将会非常方便。如，若想将下面的 |1|2| |one|two| 变成 | 1 | 2 | | one | two | 可执行 :Tab /|。

Makefile文件中的等号左右两边能不能有空格

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Vim 插件 Tabular 允许你在 Vim 中按等号、冒号、表格等来对齐文本，对于经常写代码的朋友来说，有 Tabular 将会非常方便。如上图所示，假如我想让其中的两行按等号对齐，则将光标定位到有等号的那行，执行 :Tab /= 即可。又如，若想将下面的 |1|2| |one|two| 变成 | 1 | 2 | | one | two | 可执行 :Tab /|。介绍内容来自 LinuxToy 标签：Tabular

本篇文章主要介绍了详解JAVA中转义字符，小编觉得挺不错的，现在分享给大家，也给大家做个参考。一起跟随小编过来看看吧

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