I have already obtained comprehensive column metadata from the dataset. Let me compile this into a clear, organized answer. ```json { "action": "final", "content": "# Dataset Columns Overview\n\nThis dataset contains **13 tables** with a total of **16,874,623 rows**. Below is a comprehensive breakdown of the columns across all tables, their data types, and their meanings.\n\n## Core Tables\n\n### raw.beer_ratings (14,344,128 rows)\nThe primary ratings table containing user reviews of beers:\n\n- **rating_id** (BIGINT) - Unique identifier for each rating\n- **user_id** (BIGINT) - Identifier linking to the user who created the rating\n- **beer_id** (BIGINT) - Identifier linking to the beer being rated\n- **aroma** (BIGINT) - Aroma score (0-10 scale)\n- **flavor** (BIGINT) - Flavor score (0-10 scale)\n- **mouthfeel** (BIGINT) - Mouthfeel score (0-5 scale)\n- **appearance** (BIGINT) - Appearance score (0-5 scale)\n- **overall** (BIGINT) - Overall impression score (0-20 scale)\n- **total_score** (DOUBLE) - Computed total rating (0.1-5.0 scale)\n- **comments** (VARCHAR) - Text review/comments from the user\n- **created_at** (TIMESTAMP) - When the rating was created (2000-04-12 to 2025-02-03)\n- **updated_at** (TIMESTAMP) - When the rating was last modified\n- **description_score** (DOUBLE) - Quality score for the review text\n- **language** (VARCHAR) - Language of the review (76 different languages)\n- **availability_id** (BIGINT) - Link to availability information\n- **_ingestion_timestamp** (TIMESTAMP WITH TIME ZONE) - ETL metadata: when data was loaded\n- **_batch_id** (VARCHAR) - ETL metadata: batch identifier\n- **_source_file** (VARCHAR) - ETL metadata: source file path\n- **_source_system** (VARCHAR) - ETL metadata: source system identifier\n\n### raw.beers (1,191,662 rows)\nBeer catalog with detailed beer information:\n\n- **beer_id** (BIGINT) - Unique identifier for each beer\n- **brewer_id** (BIGINT) - Identifier linking to the brewery\n- **Unrateable** (DOUBLE) - Flag indicating if beer cannot be rated\n- **admin_note** (VARCHAR) - Administrative notes about the beer\n- **alcohol_pct** (DOUBLE) - Alcohol by volume percentage\n- **avg_rating** (DOUBLE) - Average rating score\n- **created_at** (TIMESTAMP) - When the beer entry was created\n- **created_by** (DOUBLE) - User ID who created the entry\n- **description** (VARCHAR) - Text description of the beer\n- **has_pic** (BOOLEAN) - Whether the beer has an associated image\n- **ibu** (DOUBLE) - International Bitterness Units (hop bitterness measure)\n- **is_alias** (BOOLEAN) - Whether this is an alias for another beer\n- **is_one_off** (BOOLEAN) - Whether this is a one-time/limited release\n- **is_retired** (BOOLEAN) - Whether the beer is no longer produced\n- **is_seasonal** (BOOLEAN) - Whether this is a seasonal release\n- **updated_at** (TIMESTAMP) - When the beer entry was last modified\n- **updated_by** (DOUBLE) - User ID who last updated the entry\n\n### raw.users (236,969 rows)\nUser profiles and activity:\n\n- **user_id** (BIGINT) - Unique identifier for each user\n- **beer_first_rating** (TIMESTAMP) - Date of user's first beer rating\n- **beer_last_rating** (TIMESTAMP) - Date of user's most recent beer rating\n- **place_first_rating** (TIMESTAMP) - Date of user's first place rating\n- **place_last_rating** (TIMESTAMP) - Date of user's most recent place rating\n- **created_at** (TIMESTAMP) - When the user account was created\n- **updated_at** (TIMESTAMP) - When the user profile was last updated\n\n### raw.places (86,061 rows)\nVenues where beer is available (bars, restaurants, stores):\n\n- **place_id** (BIGINT) - Unique identifier for each place\n- **city** (VARCHAR) - City name\n- **city_plain** (VARCHAR) - Normalized city name\n- **country_id** (BIGINT) - Identifier linking to country\n- **state_id** (BIGINT) - Identifier linking to state/region\n- **latitude** (DOUBLE) - Geographic latitude coordinate\n- **longitude** (DOUBLE) - Geographic longitude coordinate\n- **created_at** (TIMESTAMP) - When the place entry was created\n- **created_by** (BIGINT) - User ID who created the entry\n- **updated_at** (TIMESTAMP) - When the place entry was last modified\n- **updated_by** (BIGINT) - User ID who last updated the entry\n\n### raw.place_ratings (385,707 rows)\nUser ratings of places:\n\n- **rating_id** (BIGINT) - Unique identifier for each place rating\n- **user_id** (BIGINT) - User who created the rating\n- **place_id** (BIGINT) - Place being rated\n- **created_at** (TIMESTAMP) - When the rating was created (2004-01-03 to 2025-02-01)\n- **updated_at** (TIMESTAMP) - When the rating was last modified\n\n### raw.brewers (50,013 rows)\nBrewery information:\n\n- **brewer_id** (BIGINT) - Unique identifier for each brewery\n- **city** (VARCHAR) - City where brewery is located\n- **country_id** (BIGINT) - Country identifier\n- **state_id** (BIGINT) - State/region identifier\n- **metro_id** (BIGINT) - Metropolitan area identifier\n- **region_id** (BIGINT) - Region identifier\n- **zip_code** (VARCHAR) - Postal code\n- **opened_at** (TIMESTAMP) - When the brewery opened (1753 to 2025)\n- **out_of_business_date** (DATE) - When the brewery closed (if applicable)\n- **created_at** (TIMESTAMP) - When the brewery entry was created\n- **created_by** (BIGINT) - User who created the entry\n- **updated_at** (TIMESTAMP) - When the brewery entry was last modified\n- **updated_by** (DOUBLE) - User who last updated the entry\n\n### raw.availability (117,424 rows)\nBeer availability at specific locations:\n\n- **avail_id** (BIGINT) - Unique identifier for availability record\n- **beer_id** (BIGINT) - Beer identifier\n- **place_id** (BIGINT) - Place identifier\n- **user_id** (BIGINT) - User who reported availability\n- **country_id** (BIGINT) - Country identifier\n- **state_id** (DOUBLE) - State identifier\n- **postal_code** (VARCHAR) - Postal code\n- **is_in_bottle** (BOOLEAN) - Available in bottles\n- **is_on_tap** (BOOLEAN) - Available on tap\n- **is_out** (BOOLEAN) - Currently out of stock\n- **created_at** (TIMESTAMP) - When availability was reported (2024-01-01 to 2025-02-03)\n\n### raw.favorites (212,273 rows)\nUser favorite beers:\n\n- **user_id** (BIGINT) - User identifier\n- **beer_id** (BIGINT) - Beer identifier\n- **created_at** (TIMESTAMP) - When the favorite was added (2018-05-02 to 2025-02-02)\n\n### raw.beer_upcs (249,348 rows)\nUniversal Product