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haiyu614
SharedDocument
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shared_documents.sql
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--
创建数据库
CREATE
DATABASE
IF
NOT EXISTS shared_documents
CHARACTER
SET
utf8mb4
COLLATE utf8mb4_unicode_ci;
--
使用数据库
USE shared_documents;
删除已存在的表(如果需要)
DROP
TABLE
IF EXISTS users;
--
创建users表
CREATE
TABLE
users
(
--
主键
id
INT
NOT NULL
AUTO_INCREMENT,
--
用户名字段
username
VARCHAR
(
80
)
NOT NULL
,
--
邮箱字段
email
VARCHAR
(
120
)
NOT NULL
,
--
密码哈希字段
password_hash
VARCHAR
(
128
)
NOT NULL
,
--
创建时间字段
created_at DATETIME
NOT NULL
DEFAULT
CURRENT_TIMESTAMP
,
--
账户状态字段
is_active
BOOLEAN
NOT NULL
DEFAULT TRUE,
--
设置主键
PRIMARY KEY
(id),
--
设置唯一约束
UNIQUE KEY uk_username (username),
UNIQUE KEY uk_email (email),
--
添加索引
KEY idx_username (username),
KEY idx_email (email)
) ENGINE
=
InnoDB
DEFAULT CHARSET
=
utf8mb4
COLLATE
=
utf8mb4_unicode_ci
COMMENT
=
'
用户表
'
;
--
查看表结构
DESCRIBE users;
--
查看表信息
SHOW TABLE STATUS
LIKE
'
users
'
;
You can’t perform that action at this time.