Concatenation operator：String
String
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Concatenation
https://en.wikipedia.org
In formal language theory and computer programming, string concatenation is the operation of joining character strings end-to-end.
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Concatenation Operator
https://www.ibm.com
The concatenation operator is a binary operator, whose syntax is shown in the general diagram for an SQL Expression. You can use the concatenation operator ...
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Concatenation Operator
https://www.sciencedirect.com
The concatenation operation knows nothing about normal English spacing; it simply places one string on the end of another. Therefore, it is up to the user to ...
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Concatenation Operator
https://www.oreilly.com
Name Concatenation Operator ANSI SQL defines a concatenation operator (||), which joins two distinct strings into one string value.
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Concatenation Operators in Visual Basic
https://learn.microsoft.com
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串連運算子
https://learn.microsoft.com
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