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create table stocks(
rawMatBatchID VARCHAR(4) NOT NULL,
finishedGoodsBatchID VARCHAR(4) NOT NULL,
rawMaterialID VARCHAR(4) NOT NULL,
finishedMaterialID VARCHAR(4) NOT NULL,
supplierID VARCHAR(5) NOT NULL,
rawMaterialType VARCHAR(10) NOT NULL,
finishedMaterialType VARCHAR(10) NOT NULL,
rawMatWeight VARCHAR(5) NOT NULL,
finishedGoodsWeightKg INT(5) NOT NULL,
finishedGoodsWeightG INT(5) NOT NULL,
finishedGoodsUnits INT(5) NOT NULL,
finishedGoodsDate VARCHAR(15) NOT NULL,
rawMatDate VARCHAR(15) NOT NULL,
PRIMARY KEY (finishedGoodsBatchID, rawMatBatchID),
CONSTRAINT FOREIGN KEY (finishedMaterialID) REFERENCES finishedMaterials(finishedMaterialID),
CONSTRAINT FOREIGN KEY (supplierID) REFERENCES supplierDetails(supplierID),
CONSTRAINT FOREIGN KEY (rawMaterialID) REFERENCES rawMaterials(rawMaterialID))ENGINE=INNODB;

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create table transport(
transportID VARCHAR(4) NOT NULL,
vehicleID VARCHAR(4) NOT NULL,
finishedGoodsBatchID VARCHAR(4) NOT NULL,
finishedGoodsUnits INT(5) NOT NULL,
finishedGoodsWeightKg INT(5),
finishedGoodsWeightG INT(5),
transportDate VARCHAR(15),
CONSTRAINT PRIMARY KEY (transportID),
CONSTRAINT FOREIGN KEY (vehicleID) REFERENCES vehicles(vehicleID),
CONSTRAINT FOREIGN KEY (finishedGoodsBatchID) REFERENCES stocks(finishedGoodsBatchID)
)ENGINE=INNODB;

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create table production(
productionBatchID VARCHAR(4) NOT NULL,
finishedMaterialID VARCHAR(4) NOT NULL,
rawMaterialID VARCHAR(4) NOT NULL,
productionDate VARCHAR(15),
rawMatBatchID VARCHAR(4),
initialWeight INT(5),
beforeWeight INT(5),
afterWeight INT(5),
finalWeight INT(5),
packingWeight INT(5),
noOfUnits INT(5),
wastage INT(5),
CONSTRAINT PRIMARY KEY (productionBatchID),
CONSTRAINT FOREIGN KEY (finishedMaterialID) REFERENCES finishedMaterials(finishedMaterialID),
CONSTRAINT FOREIGN KEY (rawMaterialID) REFERENCES rawMaterials(rawMaterialID),
CONSTRAINT FOREIGN KEY (rawMatBatchID) REFERENCES stocks(rawMatBatchID))ENGINE=INNODB;

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