春哥也编程

摘要： CREATE TABLE t1 (id NUMBER(10),description VARCHAR2(50),CONSTRAINT t1_pk PRIMARY KEY (id));CREATE SEQUENCE t1_seq;INSERT INTO t1 VALUES (t1_seq.nextval, 'ONE');INSERT INTO t1 VALUES (t1_seq.nextval, 'TWO');INSERT INTO t1 VALUES (t1_seq.nextval, 'THREE');returning into语句的主要作用是 阅读全文