How do I connect to HANA database in node JS
Install SAP HANA client for Node. js from NPM
- Enter hana client , and click Search. The page for the SAP HANA Node.
- Create a folder named node and enter the newly created directory. Shell (Microsoft Windows)
- Initialize the project and install the hana-client driver from NPM. Shell.
- The following command lists the Node.
What is node BOPF
Nodes. Nodes are used to model a BO's data. Nodes are arranged hierarchically to model the various dimensions of the BO data. This hierarchy is organized underneath a single root node (much like XML).Jan 4, 2013
What is a view in Hana
An SAP HANA view is used to select data, analyze data, or perform calculations with data from the SAP HANA database. SAP HANA views are modeled in SAP HANA Studio for the SAP HANA database. There are various different types of view: attribute views, analytic views and calculation views.
Which node is an executable transaction
The statement NODES (or TABLES) of the executable program controls the structure of the standard selection screen of the logical database.
What is aggregation in SAP HANA
Aggregation Node
Here, the GROUP BY clause is not materialized as such, but takes each and every attribute selected for the output. A graphical calculation view can support SUM, MIN, MAX, and COUNT. SAP HANA Cloud allows you to apply the following additional aggregate functions to the calculation views: Average.
What is command field in SAP
Command Field – The Command field is located on the standard toolbar. Use this field to enter transaction codes. If you are on the SAP Easy Access screen, enter the desired transaction code in the Command Field.Oct 31, 2018
What is scale out in SAP HANA
There are two options available in SAP HANA: Scale- Up or Scale-Out: Scale-up: This means increasing the size of one physical machine by increasing the amount of resources such as RAM and CPU. Scale-out: This means combining multiple independent nodes/machines into one system.
How do I install SAP HANA client on Windows
To install the SAP HANA HDB client on a Windows machine, use either a graphical user interface or a command line.
- Download the client package.
- Install the SAP HANA HDB client.
- Log the installation.
- Connect to SAP HANA, express edition.
- Uninstall the SAP HANA HDB client.
What is SAP HANA
SAP HANA (High-performance ANalytic Appliance) is a multi-model database that stores data in its memory instead of keeping it on a disk. The column-oriented in-memory database design allows you to run advanced analytics alongside high-speed transactions – in a single system.
What is transient structure in BOPF
Transient structure – Includes fields that are read during runtime or selection. These fields are not backed up to the database and must be populated manually. These are mostly fields that result from existing master data.Aug 9, 2019
What is a transaction node
Nodes save and store transaction blocks (storing blockchain transaction history). This transaction history is broadcast and disseminated by nodes to other nodes that may need to synchronize with the blockchain ( updates on transaction history are important).Feb 22, 2022
How do I make a node script executable
There are four steps to follow to run a node. js program as Executable.
js program as Executable.
- Add bin section in package.json.
- Change index. js file permission (not for windows operating system).
- Add comment to index. js file to allow it to be treated like an executable.
- Link the project.
What is an aggregation node
Aggregation is a data preparation task frequently used to reduce the size of a dataset. Before proceeding with aggregation, you should take time to clean the data, concentrating especially on missing values. Once you have aggregated, potentially useful information regarding missing values may be lost.
How exception aggregation works in HANA
Exception aggregation defined in a HANA model is not known in a BW query. Hence, it is required to define explicit formula exception aggregation on the query Level(in order to avoid incorrect query results). In a HANA Model, it is also possible to define an exception aggregation for a calculated measure.
What is projection in Hana view
Projection: This is used to select columns, filter the data and create additional columns before we use it in next nodes like a union, aggregation and rank. Note: We can only add one source objects in a Projection node.Apr 23, 2022
What is the default aggregation type in aggregation node in Hana calculation view
This is because the default aggregation setting is SUM. But there are other types of aggregations that can also be performed. Let's look at the different types of aggregations. Click on the aggregation node and then clock on the SCORE measure.Jul 24, 2016
Where is command field in SAP
Command Field – The Command field is located on the standard toolbar. Use this field to enter transaction codes. If you are on the SAP Easy Access screen, enter the desired transaction code in the Command Field.Oct 31, 2018
How do I show a command field in SAP
To show the command field, every user have to go to "More->GUI Actions and Settings->Show OK code field".Mar 16, 2017