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Articles on Trending Technologies
Technical articles with clear explanations and examples
Checking various details in SAP HANA in multitenant environment
You can check the landscape of HANA system, navigate to Landscape tab in HANA studio. Services show all the services running on HANA system.The following screenshot shows SAP HANA system and all the key services running under system Landscape for the same system.You can see the service name corresponding to each server in HANA system landscape.
Read More5 different ways to create objects in Java
Consider a class Tester which has implemented Cloneable interface. Now you can initialize an object using following five ways:1. Using new keyword.Tester tester1 = new Tester();2. Using Class.forName() methodTester tester2 = (Tester)Class.forName("Tester").newInstance();3. Using clone method.Tester tester3 = tester1.clone();4. Using Constructor.forName() methodTester tester4 = Tester.class.getConstructor().newInstance();5. Using DeserializationObjectInputStream objectInputStream = new ObjectInputStream(inputStream ); Tester tester5 = (MyObject) objectInputStream.readObject(); Using new keyword is the most preferred one.
Read MoreFunctional difference of using row vs column store in SAP HANA
The following table explains few points about the use of row vs column store tablesTo know more about row and column store tables, refer the below link: SAP HANA is optimized for column storage.https://help.sap.com/doc/6b94445c94ae495c83a19646e7c3fd56/2.0.00/en-US/bd2e9b88bb571014b5b7a628fca2a132.html
Read MoreChecking Compression ratio of a table in SAP HANA
To check the Compression ratio for a table, you can navigate to Table Definition. Go to Runtime Information.To see Compression Ratio, go to Columns tab. You can see the compression ratio in the Main Size Compression Ratio [%] column.
Read MoreNew keyword in Java
Yes, it is similar to a new keyword of C++. a new keyword is used to initialize/create an object. See the following example −Employee employee = new Employee();Here new keyword is used to create an object of class Employee.new Employee() invokes the constructor of the class Employee.new keyword can also be used without assigning the object to a reference variable. See the example −String name = new Employee().getName();Here we are creating an object using new keyword and then invoked a method getName() on the object and passed the result to a variable.
Read MoreAdvantages of naming conventions in Java
Following the the best practices while declaring a variable. These best practices maintains code readability, understandability as project code size increases.Variables names should be short or long enough as per the scope. For example, loop counter variable, i is fine whereas employee as loop variable.Specific words should not be used like equals, compare, data.Use meaningful names which can explain the purpose of the variable. For example cnt Vs counter.Don't use _ to declare a variable name, Use camel casing. For example, employeeName is better than employee_name.Each organization has its own syntax specific standards. Follow those rules to maintain consistency ...
Read MoreChecking data disk, log disk and Trace disk in SAP HANA
In SAP HANA Studio, you can use System Monitor to view details of your SAP HANA system at a glance. It tells about Data Disk, Log disk, Trace Disk, Alerts on resource usage with priority.To open System Monitor, select HANA system in System pane and click on the icon as shown below −Once you scroll on the right side, you can see all the information of your HANA system as you mentioned including CPU% and used memory.
Read MoreUsing SAP BusinessObjects dynamic recipient
In SAP BusinessObjects, you can deliver the reports as per business requirement. It is also possible to use dynamic recipient’s option to deliver reports to users based on their requirement or split reports based on different values of a characteristic.Let us understand this with an example, let us say you have 4 specific regions in the report and you want the report to be delivered to individual Regional Manager for their respective region. You can use dynamic recipient option to make it possible.To implement this, you need to create a dynamic recipient report by developing a webi report which contains ...
Read MoreConsuming Graphical calculation view via SDA
Note that you can create Graphical Calculation Views using SMART Data access tables and you can also push aggregations to remote database.
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