what is the difference between variable and input parameter in sap hana?
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The difference is that, variable defines a filter on an attribute of the view. So it is always assigned to an attribute. whereas parameter defines an internal parameterization of the view. ie the engine needs to know it and uses the parameter value during execution to find calculated measures.
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The difference is that in case of pass by value copies of the actual parameters are passed into the function. In case of pass by reference, address of the actual parameters are passed into the function and no copies of the actual parameters are made. ... The changes are not reflected in the actual parameters.
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The method attribute specifies how to send form-data (the form-data is sent to the page specified in the action attribute). The form-data can be sent as URL variables (with method="get") or as HTTP post transaction (with method="post").
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static are the parameters those won't take effect immediately the value is set. Application Server restart is required for them take effect. dynamic are the parameters those will take effect immediately value set in the run time. Application server restart not required for them take effect.
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Answer: Option (C) 123var is not a valid C variable name. Explanation: For naming a C variable, capital letters, small letters, underscore, and even numbers can be used.
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Basically, the difference between raw_input and input is that the return type of raw_input is always string, while the return type of input need not be string only. Python will judge as to what data type will it fit the best. In case you have entered a number, it will take it as an integer.
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Input parameter is a parameter whose value is passed into a stored procedure/function module. ... Output parameter is a parameter whose value is passed out of the stored procedure/function module, back to the calling PL/SQL block.
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var is like a general variable and can be assigned multiple times and is known as the mutable variable in Kotlin. Whereas val is a constant variable and can not be assigned multiple times and can be Initialized only single time and is known as the immutable variable in Kotlin.
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raw_input() takes whatever is typed on the console and returns it as a string. input() takes whatever is typed on the console and evaluates it as a python statement. It is required that you type a syntactically correct statement. input() works the same way as raw_input() does in Python2.
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Each parameter must specify both a type and an identifier. At the time a method is called, its arguments are assigned to its parameters. Then the method body uses the parameter variables to access the argument values.
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The difference between variables and constants is that the value stored in a variable can be changed at any time after it has been created. The value assigned to a constant, as the name suggests, cannot be changed once it has been declared an initialized.
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Variables values can change at run time but parameters value can't change . Variables can be used only with in the package we can't use it for other package with in the solution but we can use Parameters for multiple package (package exist with in the Solution Explorer ).
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Generally, a parameter is a string value that is most commonly known for being sent from the client to the server (e.g. a form post) and retrieved from the servlet request. ... An attribute is a server variable that exists within a specified scope i.e.: application , available for the life of the entire application.
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Variant is a concept of saving a set of input fields with values with a particular name, so that we can use the same set of inputs next time, the below is the example of creating variants in SAP ABAP programs. Create a program with a selection-screen. REPORT ZSAPN_DYNAMICDATE.
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"" and null both are different . the first one means as part of string variable declaration the string constant has been created in the string pool and some memory has been assigned for the same. But when we are declaring it with null then it has just been instantiated jvm , but no memory has been allocated for it.
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According to the API's documentation, condition field is defined as case-insensitive. But in practice, it is actually case sensitive.
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So we can say that class variables and instance variables are fields while local variables and parameter variables are not. The question is old but another important difference between a variable and a field is that a field gets a default value when it's declared. A variable, on the other hand, must be initialized.