ms sql assignment operators

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SQL Operators

SQL Operators perform arithmetic, comparison, and logical operations to manipulate and retrieve data from databases.

In this article, we will discuss Operators in SQL with examples, and understand how they work in SQL.

Operators in SQL

Operators in SQL are symbols that help us to perform specific mathematical and logical computations on operands. An operator can either be unary or binary.

The unary operator operates on one operand, and the binary operator operates on two operands.

Types of Operators in SQL

Different types of operators in SQL are:

• Arithmetic operator
• Comparison operator
• Logical operator
• Bitwise Operators
• Compound Operators

SQL Arithmetic Operators

Arithmetic operators in SQL are used to perform mathematical operations on numeric values in queries. Some common arithmetic operators are:

SQL Arithmetic Operators Example

In this example, we will retrieve all records from the “employee” table where the “emp_city” column does not start with the letter ‘A’.

SQL Comparison O perators

Comparison Operators in SQL are used to compare one expression’s value to other expressions. SQL supports different types of comparison operator, which are described below:

SQL Comparison Operators Example

In this example, we will retrieve all records from the “MATHS” table where the value in the “MARKS” column is equal to 50.

SQL Logical Operators

Logical Operators in SQL are used to combine or manipulate conditions in SQL queries to retrieve or manipulate data based on specified criteria..

SQL Logical Operators Example

In this example, retrieve all records from the “employee” table where the “emp_city” column is equal to ‘Allahabad’ and the “emp_country” column is equal to ‘India’.

SQL Bitwise Operators

Bitwise operators in SQL are used to perform bitwise operations on binary values in SQL queries, manipulating individual bits to perform logical operations at the bit level. Some SQL Bitwise Operators are:

SQL Compound Operators

Compound operator in SQL are used to perform an operation and assign the result to the original value in a single line. Some Compound operators are:

SQL Special Operators

Special operators are used in SQL queries to perform specific operations like comparing values, checking for existence, and filtering data based on certain conditions.

SQL Special Operator Example

In this example, we will retrieve all records from the “employee” table where the “emp_id” column has a value that falls within the range of 101 to 104 (inclusive).

SQL Operators are used to perform various operations on the data using SQL queries. These operators simplify arithmetic, comparison , logical, and bitwise operations on the data.

In this tutorial, we have explained SQL operators in detail. We have explained different types of operators in SQL along with their definition and examples. Using SQL operators you can efficiently perform operations on data.

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assignment-operator-transact-sql.md

Latest commit, file metadata and controls, = (assignment operator) (transact-sql).

[!INCLUDE SQL Server Azure SQL Database Azure SQL Managed Instance Azure Synapse Analytics Parallel Data Warehouse fabricse fabricdw ]

The equal sign (=) is the only [!INCLUDE tsql ] assignment operator. In the following example, the @MyCounter variable is created, and then the assignment operator sets @MyCounter to a value returned by an expression.

The assignment operator can also be used to establish the relationship between a column heading and the expression that defines the values for the column. The following example displays the column headings FirstColumnHeading and SecondColumnHeading . The string xyz is displayed in the FirstColumnHeading column heading for all rows. Then, each product ID from the Product table is listed in the SecondColumnHeading column heading.

Operators (Transact-SQL) Compound Operators (Transact-SQL) Expressions (Transact-SQL)