Notebook is the place where you
write code in Python, Scala, SQL or R. In a notebook you can write a block in
Python and other block in Scala or any other language. During run time code the
code executes and shows the output regardless on the language its written.
You can execute your notebook
step by step by clicking on “Run” option in each cell or you can run the whole
notebook by clicking on “RullAll” at the top.
Ensure you have attached a
cluster before click on “Run” icon.
Steps to create a new Notebook
Step 1: Login to Databricks account
Step 2: You will get “Welcome to
databricks” screen
Step 3: Click on “Workspace”,
then “Create” and “Notebook”.
Step 4: Give the Notebook name
and choose your Language in which you are planning to write code.
Step 5: Click on Detached
dropdown and Attach your cluster. In below example “MyClusterOne” is the
cluster name.
Step 6: You can see the cluster
is added to the notebook.
Step 7: Now, write code in your Notebook. Please find
sample python program (printing “Hello World” text). Click on “Run Cell” to execute the program.
Step 8: Below program finds sum
and average salaries.
Step 9: You can add new cells by
clicking on “+”
Step 10: From document
perspective you can write comments in the Cell as shown below:
Step 11: You can run all the code
in a Notebook by clicking on “Run All” icon.
Step 12: Please find sample code
written in multiple languages in a single workbook.
sample SQL code in same notebook
No comments:
Post a Comment