AmitDiwan has Published 11365 Articles

How to compare Year, Month and Day in a MySQL query and display matching records

AmitDiwan

AmitDiwan

Updated on 03-Sep-2019 12:58:07

376 Views

For this, you can use DATE(). Let us first create a table −mysql> create table DemoTable864(DueDateTime timestamp); Query OK, 0 rows affected (0.56 sec)Insert some records in the table using insert command −mysql> insert into DemoTable864 values('2019-01-10 12 −34 −55'); Query OK, 1 row affected (0.26 sec) mysql> insert into ... Read More

Replace the empty values from a MySQL table with a specific value

AmitDiwan

AmitDiwan

Updated on 03-Sep-2019 12:57:02

314 Views

Let us first create a table −mysql> create table DemoTable837(Name varchar(100)); Query OK, 0 rows affected (0.53 sec)Insert some records in the table using insert command −mysql> insert into DemoTable837 values('Chris'); Query OK, 1 row affected (0.13 sec) mysql> insert into DemoTable837 values(''); Query OK, 1 row affected (0.23 sec) ... Read More

MySQL query to get the dates between range of records displaying student’s Date of Birth?

AmitDiwan

AmitDiwan

Updated on 03-Sep-2019 12:55:31

261 Views

For fetching records between dates, use BETWEEN. Let us first create a table −mysql> create table DemoTable863(StudentDateOfBirth date); Query OK, 0 rows affected (0.56 sec)Insert some records in the table using insert command −mysql> insert into DemoTable863 values('1998-01-10'); Query OK, 1 row affected (0.12 sec) mysql> insert into DemoTable863 values('2000-10-15'); ... Read More

Remove specific word in a comma separated string with MySQL

AmitDiwan

AmitDiwan

Updated on 03-Sep-2019 12:54:08

893 Views

Let us first create a table −mysql> create table DemoTable836(FirstName SET('John', 'Chris', 'Adam')); Query OK, 0 rows affected (0.60 sec)Insert some records in the table using insert command −mysql> insert into DemoTable836 values('John, Chris'); Query OK, 1 row affected (0.11 sec) mysql> insert into DemoTable836 values('John, Chris, Adam'); Query OK, ... Read More

Can we insert values without mentioning the column name in MySQL?

AmitDiwan

AmitDiwan

Updated on 03-Sep-2019 12:52:52

510 Views

Yes, we can insert values without mentioning the column name using the following syntax −insert into yourTableName values(yourValue1, yourValue2, yourValue3, .....N);Let us first create a table. Here, we have set Id as NOT NULL −mysql> create table DemoTable862(    Id int NOT NULL AUTO_INCREMENT PRIMARY KEY,    FirstName varchar(100) , ... Read More

How to concatenate two column values into a single column with MySQL. The resultant column values should be separated by hyphen

AmitDiwan

AmitDiwan

Updated on 03-Sep-2019 12:51:14

815 Views

Let us first create a table −mysql> create table DemoTable835(    CountryCode int,    CountryName varchar(100) ); Query OK, 0 rows affected (0.63 sec)Insert some records in the table using insert command −mysql> insert into DemoTable835 values(100, 'US'); Query OK, 1 row affected (0.36 sec) mysql> insert into DemoTable835 values(101, ... Read More

MySQL query to update only month in date?

AmitDiwan

AmitDiwan

Updated on 03-Sep-2019 12:49:39

687 Views

To update only month in date, use MONTH(). Let us first create a table −mysql> create table DemoTable861(AdmissionDate date); Query OK, 0 rows affected (1.22 sec)Insert some records in the table using insert command −mysql> insert into DemoTable861 values('2019-01-21'); Query OK, 1 row affected (0.31 sec) mysql> insert into DemoTable861 ... Read More

How to order by the highest value from two columns in MySQL?

AmitDiwan

AmitDiwan

Updated on 03-Sep-2019 12:48:44

447 Views

Let us first create a table −mysql> create table DemoTable834(    Value1 int,    Value2 int ); Query OK, 0 rows affected (1.50 sec)Insert some records in the table using insert command −mysql> insert into DemoTable834 values(10, 20); Query OK, 1 row affected (0.11 sec) mysql> insert into DemoTable834 values(40, ... Read More

How to skip rows in MySQL?

AmitDiwan

AmitDiwan

Updated on 03-Sep-2019 12:47:17

3K+ Views

To skip rows, use LIMIT OFFSET. Let us first create a table −mysql> create table DemoTable860(    Id int NOT NULL AUTO_INCREMENT PRIMARY KEY,    Name varchar(100) ); Query OK, 0 rows affected (0.73 sec)Insert some records in the table using insert command −mysql> insert into DemoTable860(Name) values('Chris'); Query OK, ... Read More

How to subtract seconds from all the date records in a MySQL column?

AmitDiwan

AmitDiwan

Updated on 03-Sep-2019 12:44:48

297 Views

Let us first create a table −mysql> create table DemoTable833(ArrivalTime datetime); Query OK, 0 rows affected (0.79 sec)Insert some records in the table using insert command −mysql> insert into DemoTable833 values('2019-01-10 12:40:50'); Query OK, 1 row affected (0.13 sec) mysql> insert into DemoTable833 values('2019-02-16 11:10:30'); Query OK, 1 row affected ... Read More

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