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After executing the following code, what is the data type of results?

medium📝 component behavior Q4 of 15
LangChain - Document Loading
After executing the following code, what is the data type of results?
loader = SQLDatabaseLoader(uri='sqlite:///test.db')
results = loader.load()
APandas DataFrame
BRaw SQL query result set
CDictionary mapping column names to values
DList of Document objects
Step-by-Step Solution
Solution:

  1. Step 1: Understand load() output

    The load() method returns a list of Document objects representing rows.

  2. Step 2: Exclude other types

    It does not return raw SQL results, dicts, or DataFrames directly.

  3. Final Answer:

    List of Document objects -> Option D

  4. Quick Check:

    load() returns Documents, not raw data [OK]
Quick Trick: load() returns Documents, not raw SQL results [OK]
Common Mistakes:
  • Assuming load() returns raw SQL data
  • Expecting a DataFrame or dictionary instead of Documents

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