Skip to content
Navigation Menu
Sign in
Appearance settings
Platform
AI CODE CREATION
GitHub Copilot
Write better code with AI
GitHub Copilot app
Direct agents from issue to merge
MCP Registry
Integrate external tools
DEVELOPER WORKFLOWS
Actions
Automate any workflow
Codespaces
Instant dev environments
Issues
Plan and track work
Code Review
Manage code changes
Code Quality
Enforce quality at merge
APPLICATION SECURITY
GitHub Advanced Security
Find and fix vulnerabilities
Code security
Secure your code as you build
Secret protection
Stop leaks before they start
EXPLORE
Why GitHub
Documentation
Blog
Changelog
Marketplace
View all features
Solutions
BY COMPANY SIZE
Enterprises
Small and medium teams
Startups
Nonprofits
BY USE CASE
App Modernization
DevSecOps
DevOps
CI/CD
View all use cases
BY INDUSTRY
Healthcare
Financial services
Manufacturing
Government
View all industries
View all solutions
Resources
EXPLORE BY TOPIC
AI
Software Development
DevOps
Security
View all topics
EXPLORE BY TYPE
Customer stories
Events & webinars
Ebooks & reports
Business insights
GitHub Skills
SUPPORT & SERVICES
Documentation
Customer support
Community forum
Trust center
Partners
View all resources
Open Source
COMMUNITY
GitHub Sponsors
Fund open source developers
PROGRAMS
Security Lab
Maintainer Community
Accelerator
GitHub Stars
Archive Program
REPOSITORIES
Topics
Trending
Collections
Enterprise
ENTERPRISE SOLUTIONS
Enterprise platform
AI-powered developer platform
AVAILABLE ADD-ONS
GitHub Advanced Security
Enterprise-grade security features
Copilot for Business
Enterprise-grade AI features
Premium Support
Enterprise-grade 24/7 support
Pricing
Type
/
to search
Sign in
Sign up
Appearance settings
You signed in with another tab or window.
Reload
to refresh your session.
You signed out in another tab or window.
Reload
to refresh your session.
You switched accounts on another tab or window.
Reload
to refresh your session.
Dismiss alert
{{ message }}
ankurbhambri
/
SQL-Learn
Public
Notifications
You must be signed in to change notification settings
Fork
1
Star
9
Code
Issues
0
Pull requests
0
Actions
Projects
Security and quality
0
Insights
Additional navigation options
Code
Issues
Pull requests
Actions
Projects
Security and quality
Insights
main
Branches
Tags
Go to file
Code
Open more actions menu
Folders and files
Name
Name
Last commit message
Last commit date
Latest commit
History
74 Commits
74 Commits
30_question
30_question
Data-Modelling
Data-Modelling
ETL
ETL
tricky_questions
tricky_questions
.gitignore
.gitignore
Churn_Rate.sql
Churn_Rate.sql
Notes.md
Notes.md
Product_Analysis_Metrics.sql
Product_Analysis_Metrics.sql
README.md
README.md
Sessionisation.sql
Sessionisation.sql
Year_on_Year.sql
Year_on_Year.sql
array_json.sql
array_json.sql
consequitive.sql
consequitive.sql
datelist.sql
datelist.sql
final_rev_tax_usd_cents.sql
final_rev_tax_usd_cents.sql
first_last.sql
first_last.sql
generate_series.sql
generate_series.sql
lead_lag.sql
lead_lag.sql
median.sql
median.sql
pivoting_table.sql
pivoting_table.sql
recursive_cte.sql
recursive_cte.sql
sharding.py
sharding.py
to_char_extract_substring.sql
to_char_extract_substring.sql
user_retention.sql
user_retention.sql
word_count.sql
word_count.sql
View all files
Repository files navigation
README
More
items
SQL-Learn
PostgreSQL
About
PostgreSQL
Topics
postgres
postgresql
sql
Resources
Readme
Activity
Stars
9
stars
Watchers
1
watching
Forks
1
fork
Report repository
Releases
Packages
Contributors
Languages
You can’t perform that action at this time.