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Time:09-21

- course information table
The create table course
(
Cno char (1) primary key not null,
Spno char (8),
Cname char (20) not null,
Ctno tinyint,
Experiment tinyint,
Section tinyint,
Semester tinyint,
Credit tinyint
)


Message 245, level 16, state 1, line 1
In converting varchar value 'of the first semester' failure data type tinyint,
I want to ask what is the difference between tinyint and varchar?

CodePudding user response:

I want to ask what is the difference between tinyint and varchar?

A number, a string

CodePudding user response:

On the top floor

CodePudding user response:

Thank you very much!
Also want to ask a question: & amp; & , | | and and, or in c #, Java, SQL, etc. The use of vb?

CodePudding user response:

The building Lord... You this four BBS to ask the
& & , | | used in batch processing