-- -- -- To add a column: ALTER TABLE llx_table ADD COLUMN newcol varchar(60) NOT NULL DEFAULT '0' AFTER existingcol; -- To rename a column: ALTER TABLE llx_table CHANGE COLUMN oldname newname varchar(60); -- To change type of field: ALTER TABLE llx_table MODIFY name varchar(60); -- ALTER TABLE llx_product_perentity ADD COLUMN tva_tx double(6,3) DEFAULT NULL; CREATE TABLE llx_entity_element_sharing ( rowid integer AUTO_INCREMENT PRIMARY KEY, entity integer DEFAULT 1 NOT NULL, element varchar(64) NOT NULL, fk_element integer NOT NULL )ENGINE=innodb; ALTER TABLE llx_entity_element_sharing ADD UNIQUE INDEX idx_entity_element_sharing_id (entity, fk_element, element); ALTER TABLE llx_entity_element_sharing ADD CONSTRAINT fk_entity_element_sharing_fk_entity FOREIGN KEY (entity) REFERENCES llx_entity (rowid);