Raspberry Pi - Data Logging and Databases
Which Python code snippet correctly writes a data point to InfluxDB on a Raspberry Pi?
Which Python code snippet correctly writes a data point to InfluxDB on a Raspberry Pi?
easy📝 Syntax Q12 of 15
Step-by-Step Solution
Solution:
Step 1: Recall correct method name and parameters
The InfluxDB Python client uses the methodwrite_pointsto write data points, and it expects a list of dictionaries with keys 'measurement', 'tags', and 'fields'.Step 2: Check each option
client.write_points([{'measurement':'temperature','tags':{'room':'kitchen'},'fields':{'value':22.5}}]) matches the correct method and data structure. Options B, C, and D use incorrect method names or parameter formats.Final Answer:
client.write_points([{'measurement':'temperature','tags':{'room':'kitchen'},'fields':{'value':22.5}}]) -> Option BQuick Check:
Use write_points with list of dicts [OK]
Quick Trick: Use write_points with list of dicts for data [OK]
Common Mistakes:
MISTAKES- Using wrong method names like write_point or insert_point
- Passing dict instead of list of dicts
- Incorrect parameter structure
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