pivot and unpivot table
Combining queries
Append queries
Merge queris
Join
merge with join:
4 join type
left outer join
right outer join
full outer join
inner join
import concept:
join key
Transforming
staging area: pot- bowls-utensils
data profiling: check the view->column quality
->column profile : expamole when you want to check the age range, it will be show the range
reference quires
dataflow
data anomaly
M language
- Data Sources supported by Power BI
- Local datasets vs. shared datasets
- Storage modes in Power BI
- Structured vs. unstructured data
- PowerBI Connectors
- Triggers and Actions
- Data Types in Power BI
- The Applied Steps List
- Common Data Errors
- Pivot and Unpivot Columns
- Combining Tables with append
- Combining tables with merge
- Join Types
- Join Keys
- Loading Data
- The Staging Area in Power BI
- Profiling Data in Power BI
- Using the Data Profiling Tools
- Reference queries and dataflows
- Query Parameters
- Global options for files