Database changed#3.创建表mysql> create table student(idint primary key auto_increment comment"id", name varchar(12) not null comment"姓名", age tinyint unsigned not null comment"年龄", gender enum('男','女') default'男'comment"性别", cometime datetime default now() comment"入狱时间");...
Password to use when connecting to server. If password is not given it's asked from the tty. -v, --verbose Write more. (-v -v -v gives the table output format). -V, --version Output version information and exit. -e, --execute=name Execute command and quit. (Disables --force an...
mysql报错 1142 – SELECT command denied to user ‘root_ssm’@’localhost’ for table ‘user’「建议收藏」 大家好,又见面了,我是你们的朋友全栈君。 错误信息的字面意思是:表“user”拒绝用户“root_ssm”@“localhost”的SELECT命令 ,很明显用户没有查看user表的权限,用管理员账号给他授权就行了 一、使...
mysql> create table Teacher( -> id int(3), -> Teachername varchar(10), -> Hiredate date, -> Gender varchar(2) -> ); //创建学生表 mysql> create table Studentinof( -> id int(4), -> Studentname varchar(20), -> Gender char(2), -> Age int(3), -> Birthday date, -> Clas...
| GRANT SELECT, UPDATE, DELETE, CREATE, DROP, REFERENCES, INDEX, ALTER, CREATE TEMPORARY TABLES, LOCK TABLES, EXECUTE, CREATE VIEW, SHOW VIEW, CREATE ROUTINE, ALTER ROUTINE, EVENT, TRIGGER ON `oldboy_gbk`.* TO 'oldboy'@'localhost' | ...
DROP TABLE用于取消一个或多个表。您必须有每个表的DROP权限。所有的表数据和表定义会被取消,所以使用本语句要小心! 注意:对于一个带分区的表,DROP TABLE会永久性地取消表定义,取消各分区,并取消储存在这些分区中的所有数据。DROP TABLE还会取消与被取消的表有关联的分区定义(.par)文件。
CREATE TABLE student( stu_id INT, stu_name VARCHAR(32), stu_age INT, stu_birthday DATE, stu_score DOUBLE(4,1), stu_insert_time TIMESTAMP, PRIMARY KEY(stu_id) ); B:修改表 1、修改表名 ALTER TABLE 表名 RENAME TO 新表名; 2、修改列名称和类型 ALTER TABLE 表名 CHANGE 列名 新列名 ...
For more information, see Section 13.1.18.3, “CREATE TABLE ... LIKE Statement”. [AS] query_expression To create one table from another, add a SELECT statement at the end of the CREATE TABLE statement: CREATE TABLE new_tbl AS SELECT * FROM orig_tbl; For more information, see Secti...
//mysql db var sqlServerdb = db.GetConnection("0");// sqlserver db db.BeginTran(); mysqldb.Insertable(new Order() { CreateTime = DateTime.Now, CustomId = 1, Name = "a", Price = 1 }).ExecuteCommand(); mysqldb.Queryable<Order>().ToList(); sqlServerdb.Queryable<Order>().ToList(...
Next, create a table with a CREATE TABLE statement: CREATE TABLE cats ( id INT unsigned NOT NULL AUTO_INCREMENT, # Unique ID for the record name VARCHAR(150) NOT NULL, # Name of the cat owner VARCHAR(150) NOT NULL, # Owner of the cat birth DATE NOT NULL, # Birthday of the cat...