使用说明
- 此模板适用于已经建好的数据库和表想导出重复执行的情况
- 导出的时候建议不要使用Navicat工具，这样会导出很多无用的代码
- 此模板包括序列、表结构、触发器、注释
- 未完待续……
--创建序列eam_roleandmenu DECLARE s_count NUMBER; BEGIN SELECT COUNT (1) INTO s_count FROM user_sequences WHERE sequence_name = UPPER ('seq_eam_roleandmenu'); IF s_count = 0 THEN EXECUTE IMMEDIATE ' CREATE SEQUENCE seq_eam_roleandmenu INCREMENT BY 1 START WITH 1 MINVALUE 1 MAXVALUE 99999999999 NOCYCLE NOORDER NOCACHE '; END IF; END; / -------创建eam_roleandmenu表 DECLARE s_count NUMBER; BEGIN SELECT COUNT (1) INTO s_count FROM user_tables WHERE table_name = UPPER ('eam_roleandmenu'); IF s_count = 0 THEN EXECUTE IMMEDIATE 'CREATE TABLE eam_roleandmenu (id NUMBER , rolecode NUMBER NOT NULL, menuid VARCHAR2(8 BYTE) NOT NULL, empid NUMBER NOT NULL, dpid NUMBER NOT NULL, create_date DATE DEFAULT SYSDATE NOT NULL, update_date DATE DEFAULT SYSDATE NOT NULL)'; END IF; END; / -------创建eam_roleandmenu主键 DECLARE num NUMBER; BEGIN SELECT COUNT (1) INTO num FROM user_constraints a WHERE a.constraint_name = UPPER ('pk_eam_roleandmenu'); IF num = 0 THEN EXECUTE IMMEDIATE 'ALTER TABLE eam_roleandmenu ADD CONSTRAINT pk_eam_roleandmenu PRIMARY KEY (id) USING INDEX'; END IF; END; / -------创建eam_class_style触发器 CREATE OR REPLACE TRIGGER trg_eam_roleandmenu BEFORE INSERT ON eam_roleandmenu REFERENCING NEW AS new OLD AS old FOR EACH ROW DECLARE integrity_error EXCEPTION; errno INTEGER; errmsg CHAR (200); BEGIN IF :new.id IS NULL OR :new.id <= 0 THEN SELECT seq_eam_roleandmenu.NEXTVAL INTO :new.id FROM DUAL; END IF; -- Errors handling EXCEPTION WHEN integrity_error THEN raise_application_error (errno, errmsg); END; / -- Comments for eam_roleandmenu COMMENT ON TABLE eam_roleandmenu IS '角色菜单表' / COMMENT ON COLUMN eam_roleandmenu.create_date IS '创建时间' / COMMENT ON COLUMN eam_roleandmenu.dpid IS '客户代码' / COMMENT ON COLUMN eam_roleandmenu.empid IS '职员ID' / COMMENT ON COLUMN eam_roleandmenu.id IS '编号,自动增长' / COMMENT ON COLUMN eam_roleandmenu.menuid IS '菜单ID' / COMMENT ON COLUMN eam_roleandmenu.rolecode IS '角色code' / COMMENT ON COLUMN eam_roleandmenu.update_date IS '更新时间' / 来源：51CTO
作者：Me me = new Me();
链接：https://blog.csdn.net/qq_36811160/article/details/102743028