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Articles on Trending Technologies
Technical articles with clear explanations and examples
Can I filter a column in PN in SAP HANA with REGEX?
Projection Node is basically a graphical Calculation view. SAP HANA does not allow usage of regular expression in a graphical calculation view for filtering out data.So if you still need to use graphical calculation view (Projection Node), then you need to filter out the data either by using a table function or equivalent.
Read MoreWhat is the difference between Java references and pointers in other languages?
Reference datatypes in java are those which contains reference/address of dynamically created objects. These are not predefined like primitive data types. Following are the reference types in Java. class types − This reference type points to an object of a class. array types − This reference type points to an array. interface types − This reference type points to an object of a class which implements an interface. Once we create a variable of these types (i.e. when we create an array or object, class or interface). These variables only store the address of these values. Default ...
Read MoreIs Partitioning required in SAP HANA tables for one million records?
I think you are over thinking on a potential issue. The size of tables as you said will be rarely over one million records which does not qualify it to be considered a big table. In my application we have tables which are much bigger than that but still work pretty well over time. Also, as you said that data is mainly categorized on a daily basis so, theoretically it makes sense to partition tables on dates. It should improve the performance to some extent. But it can also lead to good number of partitions which can backfire too from ...
Read MoreUsage of subqueries in internal table as condition in SAP ABAP source code.
Note that if you specify an OPTIONS parameter with parenthesis, it will show an error. When you use Where (itab)In this case, itab has only one field with type C and shouldn’t be longer than 72 characters. “Itab” must be specified in parenthesis without any space between parenthesis and table name.You should use the same condition in the internal table as a condition in ABAP source code.
Read MoreHow to take Backup in SAP system.
Generally, it is not required to take the backup as SAP is very secure system and they keep the backup. But if you still want to take the backup, you would require creating a dummy destination, add the objects/your programs to transport and point it to that dummy destination and release it. Now you can keep the object s from dummy destination to any of your directory.
Read MoreWhy are classes sometimes declared final in Java?
If a class is declared final, you cannot inherit it. If you try it gives you a compile-time error as − Example final class Super { private int data = 30; } public class Sub extends Sub { public static void main(String args[]){ } } Output Exception in thread "main" java.lang.Error: Unresolved compilation problem: at Sub.main(Sub.java:7)
Read MoreInformation regarding function used in remote machine and their return values.
There is a table TFDIR which contains all the information. You can use this table with FMODE=’R’ by transaction SE16. R denotes remote functions. If you want to check the return values of the function, you can use transaction SE37 by inputting the function in the search field.
Read MoreWhat are tokens in Java?
Java tokens are smallest elements of a program which are identified by the compiler. Tokens in java include identifiers, keywords, literals, operators and, separators.
Read MoreHow to use SUM function for NUMC type field?
NUMC is numeric text. As this is text, SUM function cannot be implemented as it is of type varchar in the database.There is no simple solution to do it. The one method is to copy the data to internal tables, convert the NUMC data into DEC by looping through all the rows, SUM and GROUP them and then convert back the DEC values back to NUMC values.
Read MoreReading the contents of SAP structures from outside using RFC
It seems you are confused with the definition of structure. The structure does not contain any data. They just type definition.If you want to return or receive a structure as a parameter, that can be done using RFC.
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