{
    "action": "tool_call",
    "reasoning": "Compute pairwise correlations among the numeric columns in one query and rank them by absolute value, with ordering applied outside the UNION via a CTE.",
    "tool": "query_sql",
    "args": {
        "sql": "WITH p AS (SELECT 'Usage~Weekend' AS pair, corr(Daily_Usage_Hours, Weekend_Extra_Hours) AS r FROM raw.Social_media_impact_on_life UNION ALL SELECT 'Usage~SleepDur', corr(Daily_Usage_Hours, Sleep_Duration_Hours) FROM raw.Social_media_impact_on_life UNION ALL SELECT 'Usage~SleepQuality', corr(Daily_Usage_Hours, Sleep_Quality_Score) FROM raw.Social_media_impact_on_life UNION ALL SELECT 'Usage~Stress', corr(Daily_Usage_Hours, Perceived_Stress_Score) FROM raw.Social_media_impact_on_life UNION ALL SELECT 'Usage~MentalHealth', corr(Daily_Usage_Hours, Mental_Health_Index) FROM raw.Social_media_impact_on_life UNION ALL SELECT 'Usage~GPA', corr(Daily_Usage_Hours, Academic_Performance_GPA) FROM raw.Social_media_impact_on_life UNION ALL SELECT 'SleepDur~SleepQuality', corr(Sleep_Duration_Hours, Sleep_Quality_Score) FROM raw.Social_media_impact_on_life UNION ALL SELECT 'SleepDur~Stress', corr(Sleep_Duration_Hours, Perceived_Stress_Score) FROM raw.Social_media_impact_on_life UNION ALL SELECT 'SleepDur~MentalHealth', corr(Sleep_Duration_Hours, Mental_Health_Index) FROM raw.Social_media_impact_on_life UNION ALL SELECT 'SleepDur~GPA', corr(Sleep_Duration_Hours, Academic_Performance_GPA) FROM raw.Social_media_impact_on_life UNION ALL SELECT 'SleepQuality~Stress', corr(Sleep_Quality_Score, Perceived_Stress_Score) FROM raw.Social_media_impact_on_life UNION ALL SELECT 'SleepQuality~MentalHealth', corr(Sleep_Quality_Score, Mental_Health_Index) FROM raw.Social_media_impact_on_life UNION ALL SELECT 'SleepQuality~GPA', corr(Sleep_Quality_Score, Academic_Performance_GPA) FROM raw.Social_media_impact_on_life UNION ALL SELECT 'Stress~MentalHealth', corr(Perceived_Stress_Score, Mental_Health_Index) FROM raw.Social_media_impact_on_life UNION ALL SELECT 'Stress~GPA', corr(Perceived_Stress_Score, Academic_Performance_GPA) FROM raw.Social_media_impact_on_life UNION ALL SELECT 'MentalHealth~GPA', corr(Mental_Health_Index, Academic_Performance_GPA) FROM raw.Social_media_impact_on_life UNION ALL SELECT 'Weekend~SleepDur', corr(Weekend_Extra_Hours, Sleep_Duration_Hours) FROM raw.Social_media_impact_on_life UNION ALL SELECT 'Weekend~Stress', corr(Weekend_Extra_Hours, Perceived_Stress_Score) FROM raw.Social_media_impact_on_life UNION ALL SELECT 'Weekend~MentalHealth', corr(Weekend_Extra_Hours, Mental_Health_Index) FROM raw.Social_media_impact_on_life UNION ALL SELECT 'Weekend~GPA', corr(Weekend_Extra_Hours, Academic_Performance_GPA) FROM raw.Social_media_impact_on_life) SELECT pair, round(r, 3) AS r, round(abs(r), 3) AS abs_r FROM p ORDER BY abs(r) DESC",
        "purpose": "Rank pairwise correlations among numeric measures by absolute strength",
        "source": "raw"
    }
}