What are the different data types in SQL Server?

Summary: in this tutorial, you will learn about SQL Server data types including numeric, character string, binary string, date & time, and other data types. In SQL Server, a column, variable, and parameter holds a value that associated with a type, or also known as a data type.

What are the different types of SQL commands?

The standard SQL commands to interact with relational databases are CREATE, SELECT, INSERT, UPDATE, DELETE and DROP. These commands can be classified into the following groups based on their nature: DDL – Data Definition Language DML – Data Manipulation Language DCL – Data Control Language

What is INT in SQL Server?

On Transact SQL language the int is an numeric data type. The int data type is the primary integer data type in SQL Server. Int syntax: Range Storage -2^31 (-2,147,483,648) to 2^31-1 (2,147,483,647) 4 Bytes

What is the length of binary data type in SQL?

On Transact SQL language the binary is part of binary strings data types and have variable length. The string length must be a value from 1 through 8,000.

SQL Server supports different data types, including primitive types such as Integer, Float, Decimal, Char (including character strings), Varchar (variable length character strings), binary (for unstructured blobs of data), Text (for textual data) among others.

How do I create a SQL Server?

To create a new Microsoft SQL Server database Right-click the Data Connections node and choose Create New SQL Server Database. The Create New SQL Server Database dialog box appears. Enter the server name where the database will be located. Select either Use Windows NT Integrated Security or Use a specific user ID and password.

What is unique identifier in SQL?

A unique identifier in a SQL Server database is the same thing as a unique identifier in any database. It is a field or combination of fields that uniquely identifies a record. Only one record in a database can have the value that the unique identifier has. Another term for unique identifier is candidate key.

What is data type GUID in SQL Server?

GUID is a 16 byte binary SQL Server data type that is globally unique across tables, databases, and servers.