diff --git a/db/migrations/20260912_01_create_roulette_tables.sql b/db/migrations/20260912_01_create_roulette_tables.sql
new file mode 100644
index 0000000..f6758e3
--- /dev/null
+++ b/db/migrations/20260912_01_create_roulette_tables.sql
@@ -0,0 +1,82 @@
+-- item-service roulette schema migration
+-- Run against the production MySQL instance before deploying item-service.
+
+CREATE TABLE IF NOT EXISTS comatching_item.roulette_reward (
+    id BIGINT NOT NULL AUTO_INCREMENT,
+    roulette_type ENUM('FREE', 'SPECIAL') NOT NULL,
+    reward_name VARCHAR(255) NOT NULL,
+    reward_type ENUM(
+        'MATCHING_TICKET',
+        'OPTION_TICKET',
+        'FULL_SET',
+        'GIFT_CARD',
+        'NONE'
+    ) NOT NULL,
+    quantity INT NOT NULL,
+    range_start INT NOT NULL,
+    range_end INT NOT NULL,
+    remaining_count INT NULL,
+    PRIMARY KEY (id)
+) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;
+
+CREATE TABLE IF NOT EXISTS comatching_item.roulette_history (
+    id BIGINT NOT NULL AUTO_INCREMENT,
+    member_id BIGINT NOT NULL,
+    reward_id BIGINT NOT NULL,
+    roulette_type ENUM('FREE', 'SPECIAL') NOT NULL,
+    participated_at DATETIME(6) NOT NULL,
+    participation_date DATE NOT NULL,
+    reward_granted BIT(1) NOT NULL,
+    PRIMARY KEY (id),
+    CONSTRAINT uk_roulette_history_member_type_date
+        UNIQUE (member_id, roulette_type, participation_date),
+    CONSTRAINT fk_roulette_history_reward
+        FOREIGN KEY (reward_id)
+        REFERENCES comatching_item.roulette_reward (id)
+) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;
+
+INSERT INTO comatching_item.roulette_reward
+(
+    roulette_type,
+    reward_name,
+    reward_type,
+    quantity,
+    range_start,
+    range_end,
+    remaining_count
+)
+VALUES
+    -- 45%
+    ('FREE', '옵션권 1장', 'OPTION_TICKET', 1, 1, 4500, NULL),
+
+    -- 25%
+    ('FREE', '옵션권 2장', 'OPTION_TICKET', 2, 4501, 7000, NULL),
+
+    -- 15%
+    ('FREE', '꽝', 'NONE', 0, 7001, 8500, NULL),
+
+    -- 12%
+    ('FREE', '뽑기권 1장', 'MATCHING_TICKET', 1, 8501, 9700, NULL),
+
+    -- 3%
+    ('FREE', '풀세트', 'FULL_SET', 0, 9701, 10000, NULL);
+
+INSERT INTO comatching_item.roulette_reward
+(
+    roulette_type,
+    reward_name,
+    reward_type,
+    quantity,
+    range_start,
+    range_end,
+    remaining_count
+)
+VALUES
+    ('SPECIAL', '옵션권 2장', 'OPTION_TICKET', 2, 1, 3900, NULL),
+    ('SPECIAL', '옵션권 5장', 'OPTION_TICKET', 5, 3901, 6400, NULL),
+    ('SPECIAL', '뽑기권 1장', 'MATCHING_TICKET', 1, 6401, 8400, NULL),
+    ('SPECIAL', '풀세트', 'FULL_SET', 0, 8401, 9400, NULL),
+    ('SPECIAL', '뽑기권 5장', 'MATCHING_TICKET', 5, 9401, 9600, NULL),
+    ('SPECIAL', '뽑기권 10장', 'MATCHING_TICKET', 10, 9601, 9750, NULL),
+    ('SPECIAL', '1만원권 상품권', 'GIFT_CARD', 0, 9751, 9900, 999),
+    ('SPECIAL', '2만원권 상품권', 'GIFT_CARD', 0, 9901, 10000, 999);
diff --git a/db/migrations/20260912_02_migrate_notice_to_user.sql b/db/migrations/20260912_02_migrate_notice_to_user.sql
new file mode 100644
index 0000000..e3a5316
--- /dev/null
+++ b/db/migrations/20260912_02_migrate_notice_to_user.sql
@@ -0,0 +1,27 @@
+-- Move notice ownership from item-service to user-service.
+-- Run with an account that can read comatching_item and write comatching_user.
+-- The source table is intentionally retained for rollback safety.
+
+CREATE TABLE IF NOT EXISTS comatching_user.notice (
+    id BIGINT NOT NULL AUTO_INCREMENT,
+    title VARCHAR(200) NOT NULL,
+    content TEXT NOT NULL,
+    start_time DATETIME(6) NOT NULL,
+    end_time DATETIME(6) NOT NULL,
+    PRIMARY KEY (id)
+) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;
+
+INSERT IGNORE INTO comatching_user.notice (
+    id,
+    title,
+    content,
+    start_time,
+    end_time
+)
+SELECT
+    id,
+    title,
+    content,
+    start_time,
+    end_time
+FROM comatching_item.notice;