ALTER TABLE DaburIndia_BI_New.SOS_OneApp
MODIFY COLUMN pk Int64
COMMENT 'Primary key identifier';

ALTER TABLE DaburIndia_BI_New.SOS_OneApp
MODIFY COLUMN project_id Int32
COMMENT 'Project unique identifier';

ALTER TABLE DaburIndia_BI_New.SOS_OneApp
MODIFY COLUMN MID Nullable(Int64)
COMMENT 'Unique master transaction ID (depends on combination of employee_id, store_id, and visit_date)';

ALTER TABLE DaburIndia_BI_New.SOS_OneApp
MODIFY COLUMN store_id Int32
COMMENT 'Unique store identifier';

ALTER TABLE DaburIndia_BI_New.SOS_OneApp
MODIFY COLUMN visit_date Date32
COMMENT 'Date of store visit';

ALTER TABLE DaburIndia_BI_New.SOS_OneApp
MODIFY COLUMN storetype_id Nullable(Int32)
COMMENT 'Store type identifier';