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BIGQUERY
Code Labs
DevFest DC - 2017
SELECT tweet.@dineshMD,email.dinesh@acarin.net from Contacts
Dinesh Ganesan
Why do we need Big Data tools?
BigQuery - Show the power
Getting Started
Let’s Play - Analyzing USA Census Data within few seconds.
Loading data into BigQuery
Talking to BigQuery
Q&A
4
Agenda?
Why Big Data?
5
3.	Why	“Big	Data”	Is	a	Big	Deal	-	Harvard	Magazine
Enabled	Biologist	to	compute	the	genome	sequence	within	24	hours	rather	waiting	for	a	full	year.			
-	Reducing	Cost	&	Time
Enabled	NASA	to	provide	Climate	Modeling	as	Service(MERRA)	using	data	since	1979	(	few	hundred	peta	bytes	)	
-	Better	Living	and	New	business	opportunities.
2012	–	100	Billion	Google	Searches	every	month.	Leverages	30	trillion	URLs	for	data	collection
-	Optimal	Knowledge	from	huge	data	size.
2.	MERRA:	MODERN	ERA-RETROSPECTIVE	ANALYSIS	FOR	RESEARCH	AND	APPLICATIONS
1.	Google	Search	-	Wikipedia
Getting Started - GCloud Registration
1.	https://console.cloud.google.com
1
2 3
6
Getting Started - Project Creation
1
3
7
2
4
Refresh the page if you don’t see the project name
Getting Started - Enable API
8
5
Getting Started - Lab
6 7 8
9
Getting Started - Lab
9
10
Query Editor
11
Query Editor
UDF Editor
Query Execution
select year, SUM(record_weight) as Births from
publicdata:samples.natality where (mother_race = 18 and
father_race = 18) group by year order by year;
Asian Indian Kids born
The race of the child. One of the following numbers:
1 - White
2 - Black
3 - American Indian
4 - Chinese
5 - Japanese
6 - Hawaiian
7 - Filipino
9 - Unknown/Other
18 - Asian Indian
28 - Korean
39 - Samoan
48 - Vietnamese
SOURCE DATA Formats
13
CSV
JSON
Avro
Cloud datastore backups
SOURCE DATA Formats
14
http://www.ssa.gov/OACT/babynames/names.zip
https://goo.gl/qZW9sx
Loading data - CSV Direct Upload
15
1
2
3
Loading data - CSV Direct Upload
16
4
Loading data - CSV Direct Upload
17
4
name:string,gender:string,count:integer
Loading Data - GCP Storage
18
gs://ssa-babynames/names/yob2013.txt
How about loading multiple files into a single
table?
Running Queries
19
Standard SQL
Simple Aggregates
20
Select COUNT(GoogleDevs),MAX(GoogleDevs),
STDDEV(GoogleDevs) FROM …
Complex Processing
21
Select … FROM … where
REGEXP_MATCH(url,”Acarin$”) AND user
CONTAINS ‘Mr.Foo’
Nested Select
22
Select count(*) from ( Select devGurus ….) Group
BY Name
Small JOIN
23
Select tbl_school.student_id from tbl_school JOIN
tbl_classroom ON tbl_classroom.student_id =
tbl_shool.student_id
Talking to BigQuery
Accessing data through API
25
https://developers.google.com/api-client-library/
Validating API
26
https://developers.google.com/apis-explorer/#p/bigquery/v2/
Validating API
27
Integrating with Google Sheet
28
https://developers.google.com/apps-script/advanced/bigquery
https://goo.gl/evaRRC
1 2
Q&A
T H A N K Y O U
SELECT @dineshMD from Contact.tweet

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Biq query devfest2017_slides