diff --git a/src/main/resources/db/changelog/changes/20250513_01_cyril/01_update_purchase_order_currency.sql b/src/main/resources/db/changelog/changes/20250513_01_cyril/01_update_purchase_order_currency.sql
new file mode 100644
index 0000000..62d8ab1
--- /dev/null
+++ b/src/main/resources/db/changelog/changes/20250513_01_cyril/01_update_purchase_order_currency.sql
@@ -0,0 +1,21 @@
+--liquibase formatted sql
+
+--changeset cyril:update currency
+
+ALTER TABLE `currency`
+    CHANGE COLUMN `description` `description` VARCHAR (100) NOT NULL;
+
+ALTER TABLE `purchase_order`
+    ADD COLUMN `currencyId` INT NULL AFTER `supplierId`,
+    ADD CONSTRAINT `FK_PURCHASE_ORDER_ON_CURRENCYID` FOREIGN KEY (`currencyId`) REFERENCES `currency` (`id`);
+;
+
+ALTER TABLE `purchase_order_line`
+DROP
+FOREIGN KEY `FK_PURCHASE_ORDER_LINE_ON_CURRENCYID`;
+
+ALTER TABLE `purchase_order_line`
+DROP
+COLUMN `currencyId`,
+DROP INDEX `FK_PURCHASE_ORDER_LINE_ON_CURRENCYID`;
+;
\ No newline at end of file
diff --git a/src/main/resources/db/changelog/changes/20250513_01_cyril/02_create_equipment.sql b/src/main/resources/db/changelog/changes/20250513_01_cyril/02_create_equipment.sql
new file mode 100644
index 0000000..dc7de72
--- /dev/null
+++ b/src/main/resources/db/changelog/changes/20250513_01_cyril/02_create_equipment.sql
@@ -0,0 +1,34 @@
+--liquibase formatted sql
+
+--changeset cyril:create equipment table
+CREATE TABLE `equipment_type`
+(
+    `id`          INT          NOT NULL AUTO_INCREMENT,
+    `created`     DATETIME     NOT NULL DEFAULT CURRENT_TIMESTAMP,
+    `createdBy`   VARCHAR(30) NULL DEFAULT NULL,
+    `version`     INT          NOT NULL DEFAULT '0',
+    `modified`    DATETIME     NOT NULL DEFAULT CURRENT_TIMESTAMP,
+    `modifiedBy`  VARCHAR(30) NULL DEFAULT NULL,
+    `deleted`     TINYINT(1) NOT NULL DEFAULT '0',
+    `code`        VARCHAR(30)  NOT NULL,
+    `name`        VARCHAR(30)  NOT NULL,
+    `description` VARCHAR(500) NOT NULL,
+    CONSTRAINT pk_equipment_type PRIMARY KEY (id)
+);
+
+CREATE TABLE `equipment`
+(
+    `id`              INT          NOT NULL AUTO_INCREMENT,
+    `created`         DATETIME     NOT NULL DEFAULT CURRENT_TIMESTAMP,
+    `createdBy`       VARCHAR(30) NULL DEFAULT NULL,
+    `version`         INT          NOT NULL DEFAULT '0',
+    `modified`        DATETIME     NOT NULL DEFAULT CURRENT_TIMESTAMP,
+    `modifiedBy`      VARCHAR(30) NULL DEFAULT NULL,
+    `deleted`         TINYINT(1) NOT NULL DEFAULT '0',
+    `code`            VARCHAR(30)  NOT NULL,
+    `name`            VARCHAR(30)  NOT NULL,
+    `description`     VARCHAR(500) NOT NULL,
+    `equipmentTypeId` INT NULL,
+    CONSTRAINT pk_equipment PRIMARY KEY (id),
+    CONSTRAINT `FK_EQUIPMENT_ON_EQUIPMENTTYPEID` FOREIGN KEY (`equipmentTypeId`) REFERENCES `equipment_type` (`id`)
+);
\ No newline at end of file
diff --git a/src/main/resources/db/changelog/changes/20250513_01_cyril/03_create_process.sql b/src/main/resources/db/changelog/changes/20250513_01_cyril/03_create_process.sql
new file mode 100644
index 0000000..9dadb71
--- /dev/null
+++ b/src/main/resources/db/changelog/changes/20250513_01_cyril/03_create_process.sql
@@ -0,0 +1,35 @@
+--liquibase formatted sql
+
+--changeset cyril:create process table
+
+CREATE TABLE `process`
+(
+    `id`          INT         NOT NULL AUTO_INCREMENT,
+    `created`     DATETIME    NOT NULL DEFAULT CURRENT_TIMESTAMP,
+    `createdBy`   VARCHAR(30) NULL DEFAULT NULL,
+    `version`     INT         NOT NULL DEFAULT '0',
+    `modified`    DATETIME    NOT NULL DEFAULT CURRENT_TIMESTAMP,
+    `modifiedBy`  VARCHAR(30) NULL DEFAULT NULL,
+    `deleted`     TINYINT(1) NOT NULL DEFAULT '0',
+    `code`        VARCHAR(30) NOT NULL,
+    `name`        VARCHAR(30) NOT NULL,
+    `description` VARCHAR(1000) NULL,
+    `remarks`     VARCHAR(1000) NULL,
+    CONSTRAINT pk_process PRIMARY KEY (id)
+);
+
+CREATE TABLE `process_equipment`
+(
+    `id`          INT      NOT NULL AUTO_INCREMENT,
+    `created`     DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP,
+    `createdBy`   VARCHAR(30) NULL DEFAULT NULL,
+    `version`     INT      NOT NULL DEFAULT '0',
+    `modified`    DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP,
+    `modifiedBy`  VARCHAR(30) NULL DEFAULT NULL,
+    `deleted`     TINYINT(1) NOT NULL DEFAULT '0',
+    `equipmentId` INT      NOT NULL,
+    `processId`   INT NULL,
+    CONSTRAINT pk_process_equipment PRIMARY KEY (id),
+    CONSTRAINT `FK_PROCESS_EQUIPMENT_ON_EQUIPMENTID` FOREIGN KEY (`equipmentId`) REFERENCES `equipment` (`id`),
+    CONSTRAINT `FK_PROCESS_EQUIPMENT_ON_PROCESSID` FOREIGN KEY (`processId`) REFERENCES `process` (`id`)
+);
\ No newline at end of file
diff --git a/src/main/resources/db/changelog/changes/20250513_01_cyril/04_create_bom.sql b/src/main/resources/db/changelog/changes/20250513_01_cyril/04_create_bom.sql
new file mode 100644
index 0000000..932049e
--- /dev/null
+++ b/src/main/resources/db/changelog/changes/20250513_01_cyril/04_create_bom.sql
@@ -0,0 +1,78 @@
+--liquibase formatted sql
+
+--changeset cyril:create bom & process table
+CREATE TABLE `bom`
+(
+    `id`                INT          NOT NULL AUTO_INCREMENT,
+    `created`           DATETIME     NOT NULL DEFAULT CURRENT_TIMESTAMP,
+    `createdBy`         VARCHAR(30) NULL DEFAULT NULL,
+    `version`           INT          NOT NULL DEFAULT '0',
+    `modified`          DATETIME     NOT NULL DEFAULT CURRENT_TIMESTAMP,
+    `modifiedBy`        VARCHAR(30) NULL DEFAULT NULL,
+    `deleted`           TINYINT(1) NOT NULL DEFAULT '0',
+    `code`              VARCHAR(30)  NOT NULL,
+    `name`              VARCHAR(30)  NOT NULL,
+    `description`       VARCHAR(100) NOT NULL,
+    `outputQty`         DECIMAL(14, 2) NULL,
+    `uomId`             INT NULL,
+    `m18Id`             INT NULL,
+    `m18LastModifyDate` DATETIME NULL,
+    CONSTRAINT pk_bom PRIMARY KEY (id)
+);
+
+CREATE TABLE `bom_process`
+(
+    `id`         INT      NOT NULL AUTO_INCREMENT,
+    `created`    DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP,
+    `createdBy`  VARCHAR(30) NULL DEFAULT NULL,
+    `version`    INT      NOT NULL DEFAULT '0',
+    `modified`   DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP,
+    `modifiedBy` VARCHAR(30) NULL DEFAULT NULL,
+    `deleted`    TINYINT(1) NOT NULL DEFAULT '0',
+    `processId`  INT      NOT NULL,
+    `uomId`      INT      NOT NULL,
+    `seqNo`      INT      NOT NULL,
+    `bomId`      INT      NOT NULL,
+    CONSTRAINT pk_bom_process PRIMARY KEY (id),
+    CONSTRAINT `FK_BOM_PROCESS_ON_PROCESSID` FOREIGN KEY (`processId`) REFERENCES `process` (`id`),
+    CONSTRAINT `FK_BOM_PROCESS_ON_UOMID` FOREIGN KEY (`uomId`) REFERENCES `uom_conversion` (`id`),
+    CONSTRAINT `FK_BOM_PROCESS_ON_BOMID` FOREIGN KEY (`bomId`) REFERENCES `bom` (`id`)
+);
+
+CREATE TABLE `bom_material`
+(
+    `id`                INT            NOT NULL AUTO_INCREMENT,
+    `created`           DATETIME       NOT NULL DEFAULT CURRENT_TIMESTAMP,
+    `createdBy`         VARCHAR(30) NULL DEFAULT NULL,
+    `version`           INT            NOT NULL DEFAULT '0',
+    `modified`          DATETIME       NOT NULL DEFAULT CURRENT_TIMESTAMP,
+    `modifiedBy`        VARCHAR(30) NULL DEFAULT NULL,
+    `deleted`           TINYINT(1) NOT NULL DEFAULT '0',
+    `itemId`            INT            NOT NULL,
+    `isConsumable`      TINYINT(1) NOT NULL DEFAULT '0',
+    `qty`               DECIMAL(14, 2) NOT NULL,
+    `uomId`             INT            NOT NULL,
+    `bomId`             INT            NOT NULL,
+    `m18Id`             INT            NOT NULL,
+    `m18LastModifyDate` DATETIME       NOT NULL,
+    CONSTRAINT pk_bom_material PRIMARY KEY (id),
+    CONSTRAINT `FK_BOM_MATERIAL_ON_ITEMID` FOREIGN KEY (`itemId`) REFERENCES `items` (`id`),
+    CONSTRAINT `FK_BOM_MATERIAL_ON_UOMID` FOREIGN KEY (`uomId`) REFERENCES `uom_conversion` (`id`),
+    CONSTRAINT `FK_BOM_MATERIAL_ON_BOMID` FOREIGN KEY (`bomId`) REFERENCES `bom` (`id`)
+);
+
+CREATE TABLE `bom_process_material`
+(
+    `id`            INT      NOT NULL AUTO_INCREMENT,
+    `created`       DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP,
+    `createdBy`     VARCHAR(30) NULL DEFAULT NULL,
+    `version`       INT      NOT NULL DEFAULT '0',
+    `modified`      DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP,
+    `modifiedBy`    VARCHAR(30) NULL DEFAULT NULL,
+    `deleted`       TINYINT(1) NOT NULL DEFAULT '0',
+    `bomProcessId`  INT      NOT NULL,
+    `bomMaterialId` INT      NOT NULL,
+    CONSTRAINT pk_bom_process_material PRIMARY KEY (id),
+    CONSTRAINT `FK_BOM_PROCESS_MATERIAL_ON_BOMPROCESSID` FOREIGN KEY (`bomProcessId`) REFERENCES `bom_process` (`id`),
+    CONSTRAINT `FK_BOM_PROCESS_MATERIAL_ON_BOMMATERIALID` FOREIGN KEY (`bomMaterialId`) REFERENCES `bom_material` (`id`)
+);
\ No newline at end of file