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-- 创建表空间
CREATE TABLESPACE blog
DATAFILE '/opt/oracle/oradata/test/blog01.dbf' size 200M
EXTENT MANAGEMENT local;
-- 创建用户
CREATE USER blog IDENTIFIED BY blog
DEFAULT TABLESPACE blog;
-- 授予权限
GRANT connect, resource TO blog;
-- 使用blog用户连接数据库
CONNECT blog/blog;
-- 创建博客信息表
CREATE TABLE userinfo (
id VARCHAR2(32) NOT NULL,
name VARCHAR2(32) NOT NULL,
pass
word VARCHAR2(32) NOT NULL,
CONSTRAINT userinfo_pk PRIMARY KEY (id),
CONSTRAINT userinfo_unique_name UNIQUE ( name )
);
-- 创建
网络日志表
CREATE TABLE message (
id VARCHAR2(32) NOT NULL,
title VARCHAR2(32) NOT NULL,
content VARCHAR2(2000),
user_id VARCHAR2(32),
CONSTRAINT message_pk PRIMARY KEY (id),
CONSTRAINT message_user FOREIGN KEY (user_id) REFERENCES userinfo(id)
);
-- 创建读者评论信息表
CREATE TABLE replymessage (
id VARCHAR2(32) NOT NULL,
username VARCHAR2(64) NOT NULL,
title VARCHAR2(32) NOT NULL,
content VARCHAR2(2000),
message_id VARCHAR2(32) NOT NULL,
CONSTRAINT replymessage_pk PRIMARY KEY (id),
CONSTRAINT replymessage_message FOREIGN KEY (message_id) REFERENCES message(id)
);