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With the use of column based storage in HANA, data is available vertically and hence operations on different columns can be easily performed. When there is a requirement to process to process more than one column, it is processed by the different processor.
CSS3 is the latest standard of CSS earlier versions (CSS2). Cascading Style Sheets, level 1 (CSS1) was came out of W3C as a recommendation in December 1996. This version describes the CSS language as well as a simple visual formatting model for all the HTML tags.CSS2 became a W3C recommendation in May 1998 and builds on CSS1. This version adds support for media-specific style sheets e.g. printers and aural devices, downloadable fonts, element positioning, and tables.CSS3 became a W3C recommendation in June 1999 and builds on older versions CSS. It has divided into documentation is called as Modules and here ... Read More
In Services tab under Landscape, you can right click on any service name and select Start Missing Service. This service activates any inactive service in your HANA system.
To perform stop and start individual database services (nameserver, indexserver, xsengine and so on) running on an SAP HANA host or hosts, you should have system privilege SERVICE ADMIN.
The fact table contains measure values and primary key for Dimension tables. Dim tables contain master data. Fact and dimension table are joined in HANA Modeling to achieve some business logic.Example of Measures − Number of unit sold, Total Price, Average Delay time, etc.Dimension Table contains master data and is joined with one or more fact tables to make some business logic. Dimension tables are used to create schemas with fact tables and can be normalized.Example of Dimension Table − Customer, Product, etc.Suppose a company sells products to customers. Every sale is a fact that happens within the company and ... Read More
You can use Import.. option in SAP HANA Studio to import data from a CSV file. Go to file and click on Import option.Next is to define Import properties. You can create a new table or you can also use an existing table in HANA database. You can also define if a Header rows exists.
In following scenarios. When you open Administration editor, it is opened automatically in diagnosis mode:When you open the Administration editor for a system without an SQL connectionWhen you initiate the start, stop, or restart of a systemYou can also open diagnosis mode manually by navigating to following path:
Table mapping is last step while uploading data using an Import option in HANA Studio. This shows the data that already exist in the table and also shows the information about the schema and table to which we are going to load the data.Click on Finish to load the data.
There is no concept of a tuple in the JSON format. Python's JSON module converts Python tuples to JSON lists because that's the closest thing in JSON to a tuple. Immutability will not be preserved. If you want to preserve them, use a utility like a pickle or write your own encoders and decoders.If you're using pickle, it won't store the Python temples in JSON files but in pkl files. This isn't useful if you're sending data across the web. The best way is to use your own encoders and decoders that will differentiate between lists and tuples depending on ... Read More
A SAP HANA administrator can start tenant databases either individually, or it can also be done once by starting the whole system and same is for stopping the database.To perform this, navigate to SAP HANA Cockpit -> Open the Manage Databases app -> You have to select tenant database that you want to stop or start -> Select stop Tenant Database or start Tenant Database in the footer toolbar.The database starts stopping or starting and will be completed in few minutes.