ID、カテゴリ、および日付をcontaingテーブルを設計する方法を

Question

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[1]：https://i.stack.imgur.com/wpO3u.pngこれは

Answer 1

CREATE TABLE table_name (
    userID int primary key AUTO_INCREMENT, 
    category varchar(50), 
    date datetime 
); 

は、私はこのことを願っています質問ですあなたはすでにそれを設計しているように見えるのSQLServer

CREATE TABLE table_name (
    userID int primary key IDENTITY NOT NULL, 
    category varchar(50), 
    date datetime 
); 

Answer 2

--please put your table name at TableName 
CREATE TABLE [dbo].[TableName](
    [userID] [varchar(max)NOT NULL, 
    [category] [nvarchar](max) NOT NULL, 
    [date_enter] [date] NULL, 
CONSTRAINT [PK_TableName] PRIMARY KEY CLUSTERED 
(
    [userID] ASC 
)WITH (PAD_INDEX = OFF, STATISTICS_NORECOMPUTE = OFF, IGNORE_DUP_KEY = OFF, ALLOW_ROW_LOCKS = ON, ALLOW_PAGE_LOCKS = ON) ON [PRIMARY] 
) ON [PRIMARY] TEXTIMAGE_ON [PRIMARY]