In this tutorial will learn Table in SQL Database, Here we learn database with a practical example.
So, just think of some business requirement, and you will learn how to develop SQL Table and manipulate data as per business requirement.
We want to create a SQL Table where all students’ data will be stored, so whenever a student joins this training course their Name, email, date of birth, contact number, joining date, address, and course complete date will be captured
How to ceate table in SQL Database
Here we have written a create table sql query, notice the illustration , you can see how to write table name, column name, data type
of column, null or not null, identity column and primary key
Create table query same as above
CREATE TABLE [dbo].[tbStudent](
Things to remember while creating a table
[studentId] [bigint] IDENTITY(1,1) NOT NULL,
[FullName] [varchar](50) NOT NULL,
[Address] [varchar](150) NULL,
[email] [varchar](100) NULL,
[contactnumber] [varchar](50) NULL,
[DOB] [datetime] NULL,
[updatedon] [datetime] NULL,
[courseCompleteDate] [datetime] NULL,
[joiningDate] [datetime] NULL,
CONSTRAINT [PK_tbStudent] PRIMARY KEY CLUSTERED
)WITH (IGNORE_DUP_KEY = OFF) ON [PRIMARY]
) ON [PRIMARY]
- Table name must be unique; you can't have two tables with same name.
- Column name in a table must be unique; two columns name cannot be same.
- One table can have single or composite primary key
- Primary key not necessarily will have IDENTITY (1, 1) seed, (but most of the time have)
How to insert data into SQL table
INSERT INTO [tableName] (columnName1, columnName2) values (value1, value2)
INSERT INTO [tbStudent]