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There also exist algebraic operators (+, -, *, /) to perform string concatenation and deletion.
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SELECT "Hello"+"World" FROM Stream => "HelloWorld" SELECT "HelloWorld"-"World" FROM Stream => "Hello" SELECT "HelloWorld"*3 FROM Stream => "HelloWorldHelloWorldHelloWorld" SELECT "HelloWorldHelloWorldHelloWorld"/"World" FROM Stream => 3 |
Concat(String, String)
Returns a new string that is a concatenating the arguments.
SubString(String, Number, Number)
Returns a new string that is a substring of the value with given begin and end index
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SELECT substring("Hello World",1,3) FROM Stream => "el" |
Length(String)
Returns the length of a string.
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SELECT length("Hello") FROM Stream => 5 |
Upper(String)
Returns the string converted to uppercase.
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SELECT upper("Hello World") FROM Stream => "HELLO WORLD" |
Lower(String)
Returns the string converted to lowercase.
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SELECT lower("Hello World") FROM Stream => "hello world" |
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