Data Structure
Networking
RDBMS
Operating System
Java
MS Excel
iOS
HTML
CSS
Android
Python
C Programming
C++
C#
MongoDB
MySQL
Javascript
PHP
Physics
Chemistry
Biology
Mathematics
English
Economics
Psychology
Social Studies
Fashion Studies
Legal Studies
- Selected Reading
- UPSC IAS Exams Notes
- Developer's Best Practices
- Questions and Answers
- Effective Resume Writing
- HR Interview Questions
- Computer Glossary
- Who is Who
How to compare timestamps in MySQL?
To compare timestamps in MySQL, you can use DATE(). Let us first create a table−
mysql> create table comparingTimestampDemo -> ( -> Id int NOT NULL AUTO_INCREMENT PRIMARY KEY, -> AdmissionDate timestamp -> ); Query OK, 0 rows affected (0.54 sec)
Following is the query to insert records in the table using insert command −
mysql> insert into comparingTimestampDemo(AdmissionDate) values('2019-03-31');
Query OK, 1 row affected (0.13 sec)
mysql> insert into comparingTimestampDemo(AdmissionDate) values('2019-04-10');
Query OK, 1 row affected (0.12 sec)
mysql> insert into comparingTimestampDemo(AdmissionDate) values('2019-04-15');
Query OK, 1 row affected (0.17 sec)
mysql> insert into comparingTimestampDemo(AdmissionDate) values('2019-03-29');
Query OK, 1 row affected (0.15 sec)
mysql> insert into comparingTimestampDemo(AdmissionDate) values('2019-04-07');
Query OK, 1 row affected (0.18 sec)Following is the query to display all records from the table using select statement −
mysql> select * from comparingTimestampDemo;
This will produce the following output −
+----+---------------------+ | Id | AdmissionDate | +----+---------------------+ | 1 | 2019-03-31 00:00:00 | | 2 | 2019-04-10 00:00:00 | | 3 | 2019-04-15 00:00:00 | | 4 | 2019-03-29 00:00:00 | | 5 | 2019-04-07 00:00:00 | +----+---------------------+ 5 rows in set (0.00 sec)
Let us now compare timestamps in MySQL −
mysql> SELECT DATE(`AdmissionDate`) FROM comparingTimestampDemo WHERE DATE(`AdmissionDate`) < CURDATE() - INTERVAL 3 DAY;
This will produce the following output −
+-----------------------+ | DATE(`AdmissionDate`) | +-----------------------+ | 2019-03-31 | | 2019-03-29 | +-----------------------+ 2 rows in set (0.00 sec)
Updated on: 30-Jul-2019
3K+ Views
Advertisements