若用如下的SQL语句创建一个student表: CREATE TABLE student( N0 C(4)NOT NULL, NAME C(8)NOT NULL, SEX C(2), AGE N(2) ) 可以插入到student表中的是(). A.('1031','曾华',男,23) B.('1031','曾华',NULL,NULL) C.(NULL,'曾华','男','23') D.('1031',NULL,'男',23)...
a) 用SQL语言CREATE TABLE语句创建学生表student、课程表course和选课表SC;(字段类型及长度参照实验一) b)创建供应商-零件数据库以及表,表要求如下: 建立一个供应商、零件数据库。 其中“供应商”表S(Sno,Sname,Status,City)分别表示:供应商代码、供应商名、供应商状态、供应商所在城市。
假设您的原始SQL语句是: ```sql CREATE TABLE student (SNO CHAR(4) PR ``` 这里看起来您想要定义一个学生编号(SNO)为CHAR类型且长度为4的字段,并且可能想指定这个字段为主键(PRIMARY KEY),但是语句不完整。下面是一个完整且合理的`student`表创建语句,包括一些常见的学生信息字段: ```sql CREATE TABLE ...
Above query will create a new table “Student” with the primary key column as “studentId”. Notice that every column name has a data type defined. For example, we can store only INT data in the studentId column whereas we can store VARCHAR data in the studentName column. VARCHAR(45) ...
Table in SQL Introduction on Table in SQL A Table in SQL can be described as an assemblage of data or records, which should be arranged in rows and columns format. In a database, the tables are expected to be in finite number; the Columns are expected to be a finite number, while ...
若用如下的SQL语句创建一个student表:Create Table student (no char(4) not null,name char(8) not nu
若用如下的SQL语句创建一个student表:CREATE TABLE student( NO C(4)NOT NULL, NAME C(8)NOT NULL, SEX C(2), AGE N(2)) 可以插入到student表中的是___。 A. (‘1031’,’曾华’,男,23) B. (‘1031’,’曾华’,NULL,NULL) C. (NULL,’曾华’,’男’,’23’) D. (‘1031’,NULL,’男...
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如果创建学生表Student时使用下面的SQL语句: CREATE TABLE Student (SNO C(4) PRIMARY KEY NOT NULL,; SN C(8), C(2),AGE N(2)CHECK(AGE>15 AND AGE<30)) 以下SQL语句中可以正确执行的是( )。A.INSERT INTO Student(SNO,,AGE)VALUES(S9,男,17)B.INSERT INTO Student(S
mysql> create table student( -> id int, -> name char(16), -> born_year year, -> birth date, -> study_time time, -> reg_time datetime -> ); Query OK, 0 rows affected (0.05 sec) mysql> insert into student values(1,'egon','2019','2019-05-09','11:11:00','2019-11-11 ...