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How do you assign a select result to a variable?
The syntax for assigning a value to a SQL variable within a SELECT query is @ var_name := value , where var_name is the variable name and value is a value that you’re retrieving. The variable may be used in subsequent queries wherever an expression is allowed, such as in a WHERE clause or in an INSERT statement.
Which statement is used to assign a value to a variable?
The most common form of statement in a program uses the assignment operator, =, and either an expression or a constant to assign a value to a variable: variable = expression; variable = constant; The symbol of the assignment operator looks like the mathematical equality operator but in C++ its meaning is different.
How to assign a select result to a variable?
I just had the same problem and… SELECT @PrimaryContactKey = c.PrimaryCntctKey FROM tarcustomer c, tarinvoice i WHERE i.custkey = c.custkey AND i.invckey = @tmp_key UPDATE tarinvoice SET confirmtocntctkey = @PrimaryContactKey WHERE invckey = @tmp_key FETCH NEXT FROM @get_invckey INTO @tmp_key
Why does SQL assign a value to a variable once per post?
This is because, as stated above, SQL will assign a value to the variable once per post – meaning it won’t do anything with the variable if the result contains no posts. So, the variable will still have the value it had before you ran the statement.
When to assign result of dynamic SQL to variable?
You should try this while getting SEQUENCE value in a variable from the dynamic table. Thanks for contributing an answer to Stack Overflow! Please be sure to answer the question. Provide details and share your research!
How to assign result of SED to variable?
Below is a complete copy of a demo I’m using to to figure out to get the sed command to get rid of the spaces in a persons name, and compress it down to not have spaces. Once this is done, I want to assign it to the variable comp then I can re-use it later on in the script.