Modifier la table de cellule tous les domaines liés à la zone de 2 décimales:
UPDATE gfm_rp_cell t SET t.DEC_LEN=2 WHERE t.FIELD_CN_NAME LIKE '%面积%';
Créer une table temporaire pour stocker les données brutes et les données de table de suppression:
CREATE TABLE gfm_bs_asset_facility_bak as SELECT * FROM gfm_bs_asset_facility;
DELETE FROM gfm_bs_asset_facility;
Modifier le champ tableau:
ALTER TABLE gfm_bs_asset_facility MODIFY N1 NUMBER(18,2);
ALTER TABLE gfm_bs_asset_facility MODIFY N2 NUMBER(18,2);
ALTER TABLE gfm_bs_asset_facility MODIFY N3 NUMBER(18,2);
ALTER TABLE gfm_bs_asset_facility MODIFY N4 NUMBER(18,2);
Restaurer la structure de table:
INSERT INTO gfm_bs_asset_facility SELECT * FROM gfm_bs_asset_facility_bak
Supprimer la table temporaire:
DROP TABLE gfm_bs_asset_facility_bak;