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Power BI - Data Sour
DA 100 Prep
| Question | Answer |
|---|---|
| 1) Identify and connect to a data source | A flat file is a type of file that has only one data table and every row of data is in the same structure. The file does not contain hierarchies. Use DAX or MDX to query data from Azure Analysis Services. Use connect live to connect to |
| 2) Change Data Source Settings | |
| 3) Select a shared dataset or create a local dataset | |
| 4) Select a storage mode | |
| 5) Choose an appropriate query type | |
| 6) Identify query performance issues | |
| 7) Use Microsoft Dataverse | |
| 8) Use parameters | |
| 9) Use or create a PBIDS file | |
| 10) Use or create a data flow | |
| 11) Connect to a dataset using the XMLA endpoint | |
| 12) Identify data anomalies | |
| 13) Examine data structures | |
| 14) Interrogate column properties | |
| 15) Interrogate data statistics | |
| 16) Resolve inconsistencies, unexpected or null values, and data quality issues | |
| 17) Apply user-friendly value replacements | |
| 18) Identify and create appropriate keys for joins | |
| 19) Evaluate and transform column data types | |
| 20) Apply data shape transformations to table structures | |
| 21) Combine queries | |
| 22) Apply user-friendly naming conventions to columns and queries. | |
| 23) Leverage Advanced Editor to modify Power Query M code | |
| 24) Configure data loading | |
| 25) Resolve data import errors |