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You want to load only specific tables from a database using SQLDatabaseLoader. How can you specify this?

hard📝 Application Q9 of 15
LangChain - Document Loading
You want to load only specific tables from a database using SQLDatabaseLoader. How can you specify this?
ASQLDatabaseLoader does not support table filtering
BPass a list of table names to the parameter 'tables' during initialization
CUse a SQL query string instead of connection_string
DFilter tables after loading all data
Step-by-Step Solution
Solution:

  1. Step 1: Check SQLDatabaseLoader parameters

    It supports a 'tables' parameter to specify which tables to load.

  2. Step 2: Evaluate other options

    Filtering after loading is inefficient; SQLDatabaseLoader does not accept raw SQL queries; it supports table filtering.

  3. Final Answer:

    Pass a list of table names to the parameter 'tables' during initialization -> Option B

  4. Quick Check:

    Table filtering = 'tables' parameter [OK]
Quick Trick: Use 'tables' parameter to load specific tables only [OK]
Common Mistakes:
  • Filtering after loading all tables
  • Trying to pass SQL query instead of connection string
  • Assuming no table filtering support

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