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What do you mean by table? How can you create table in SQL?

Question

What do you mean by table? How can you create table in SQL?

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Solution

In the context of databases, a table is a structured set of data. It consists of rows and columns where each column represents a particular attribute and each row corresponds to a given record.

To create a table in SQL, you use the CREATE TABLE statement. Here is a basic example:

CREATE TABLE table_name (
    column1 datatype,
    column2 datatype,
    column3 datatype,
   ....
);

In this syntax:

  • CREATE TABLE is the keyword telling the database system to create a new table.
  • table_name is the name of the table.
  • column1, column2,... are the names of the columns.
  • datatype specifies the type of data the column can hold (e.g., varchar, integer, date, etc.).

For example, if you want to create a table named "Students" that includes "ID", "LastName", "FirstName", and "Age" you would use the following SQL statement:

CREATE TABLE Students (
    ID int,
    LastName varchar(255),
    FirstName varchar(255),
    Age int
);

This SQL statement creates a table named "Students" with four columns: "ID", "LastName", "FirstName", and "Age".

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