Table of Contents
MS SQL Server: BETWEEN Conditions in SQL Server is easier to understand when the core ideas are paired with practical examples. The sections below explain the topic clearly, highlight useful steps, and point out details that can prevent common errors.
In SQL Server (Transact-SQL), BETWEEN conditions help retrieve data in a range, in the SELECT, INSERT, UPDATE, or DELETE commands.
Syntax of BETWEEN conditions
bieu_thuc BETWEEN giatri1 AND giatri2 ;
Variable name or variable value
bieu_thuc
column or information field
giri1 and giatri2
values that make up the range that will be compared, including the two end values.
Note
The BETWEEN condition will return all records that bieu_thuc is between girth1 and giri2, including 2 end values.
As an example, - numerical value
SELECT *FROM nhanvienWHERE nhanvien_id BETWEEN 25 AND 100;
The above example will return rows in the table if nhanvien_id is between 25 and 100 (including 25 and 100), equivalent to the SELECT statement below.
SELECT *FROM nhanvienWHERE nhanvien_id >= 25AND nhanvien_id <= 100;
Example - with date
SELECT *FROM nhanvienWHERE ngay_bat_dau BETWEEN '05/05/2014' AND '05/31/2014';
The above BETWEEN conditions return records from the table with the value immediately_bat_dau between May 1, 2014 and May 31, 2014 (including the first and last days). The above command is equivalent to the SELECT command below.
SELECT *FROM nhanvienWHERE ngay_bat_dau >= '2014/05/01'AND ngay_bat_dau <= '05/05/2014';
Example - NOT operator
SELECT *FROM nhanvienWHEREnhanvien_id NOT BETWEEN 2000 AND 2999;
FAQ
What is MS SQL Server: BETWEEN Conditions in SQL Server?
In SQL Server (Transact-SQL), BETWEEN conditions help retrieve data in a range, in the SELECT, INSERT, UPDATE, or DELETE commands.
Why is MS SQL Server: BETWEEN Conditions in SQL Server important?
A clear understanding of MS SQL Server: BETWEEN Conditions in SQL Server helps you make informed decisions, avoid common mistakes, and use the relevant tools or techniques more effectively.
How should beginners approach MS SQL Server: BETWEEN Conditions in SQL Server?
Start with the fundamental concepts, follow the examples step by step, and test each change in a safe environment before applying it to important systems or data.
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