![]() ![]() You should also define the data type(s) used in the table columns when you create the table. The table’s name should describe the data stored in that table. Below is a sample table with these columns and rows: name Each column stores one kind of data, such as a color, a name, a type of an instrument, or the store in which it was purchased. ![]() The details in each row should be atomic (meaning they can’t get any smaller or more specific), so we have to divide them into columns. Each row is a specific instrument: one row can store information about a white guitar purchased from “Music Shop in Chicago” another row can store info about a silver drum purchased from “In Tom’s shop”. Each row stores details about a specific object.įor example, the table instrument stores information about instruments. In a SQL database, every table has a name and stores data in rows and columns. The lines indicate relationships between tables:Īs you see, there are a lot of tables: category, instrument, manufacturer, and more. ![]() (The image comes from the Vertabelo blog Vertabelo is an online database modeling tool.) Notice that this database has several tables. The picture below shows a sample of a database for an online musical equipment shop. tables store related information, like a person’s name, eye color, and height). In most cases, a database contains more than one table and the tables are related to each other (i.e. It’s a structure that actually stores data. The main element in a database is the table. What Is a Database Table?Ī relational database is built of various structures like tables, views, procedures, and triggers. In this article, you’ll learn what a database table is, who creates them, and how to use the syntax of the CREATE TABLE command. It allows you to design or change the structure of a database and store data that’s related to each other. Creating tables in databases is a very helpful skill, and not just for software engineers or database administrators. ![]()
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