AmitDiwan has Published 11365 Articles

Implement specific record ordering with MySQL

AmitDiwan

AmitDiwan

Updated on 03-Sep-2019 10:48:49

59 Views

To set specific record ordering, use ORDER BY LIKE. Let us first create a table−mysql> create table DemoTable808(Value varchar(100)); Query OK, 0 rows affected (0.61 sec)Insert some records in the table using insert command −mysql> insert into DemoTable808 values('smith'); Query OK, 1 row affected (0.13 sec) mysql> insert into DemoTable808 ... Read More

Check if a value exists in a column in a MySQL table?

AmitDiwan

AmitDiwan

Updated on 03-Sep-2019 10:46:28

3K+ Views

Let us first create a table −mysql> create table DemoTable807(    ClientId int NOT NULL AUTO_INCREMENT PRIMARY KEY,    ClientName varchar(100),    ClientCountryName varchar(100) ); Query OK, 0 rows affected (0.64 sec) Insert some records in the table using insert command −mysql> insert into DemoTable807(ClientName, ClientCountryName) values('Chris', 'UK'); Query ... Read More

Is there a way to select a value which matches partially in MySQL?

AmitDiwan

AmitDiwan

Updated on 03-Sep-2019 10:42:31

126 Views

To match partially, use LIKE operator. Let us first create a table −mysql> create table DemoTable806(    StudentId int NOT NULL AUTO_INCREMENT PRIMARY KEY,    StudentName varchar(100),    StudentSubject varchar(100) ); Query OK, 0 rows affected (0.57 sec)Insert some records in the table using insert command −mysql> insert into DemoTable806(StudentName, ... Read More

How to split the datetime column into date and time and compare individually in MySQL?

AmitDiwan

AmitDiwan

Updated on 03-Sep-2019 10:39:11

3K+ Views

Let us first create a table −mysql> create table DemoTable805(LoginDate datetime); Query OK, 0 rows affected (0.63 sec)Insert some records in the table using insert command −mysql> insert into DemoTable805 values('2019-01-31 12:45:20'); Query OK, 1 row affected (0.18 sec) mysql> insert into DemoTable805 values('2017-11-01 10:20:30'); Query OK, 1 row affected ... Read More

Match column values on the basis of the other two column values in MySQL

AmitDiwan

AmitDiwan

Updated on 03-Sep-2019 08:59:52

100 Views

Let us first create a table −mysql> create table DemoTable774 ( Id int, FirstName varchar(100), MatchId int ); Query OK, 0 rows affected (0.62 sec)Insert some records in the table using insert command −mysql> insert into DemoTable774 values(101, 'Chris', 104); Query ... Read More

MySQL query to return 5 random records from last 20 records?

AmitDiwan

AmitDiwan

Updated on 03-Sep-2019 08:57:54

312 Views

For this, you need to use ORDER BY to order records. With that use RAND() to get random records and LIMIT 5 since we want to display only 5 random records.Let us first create a table −mysql> create table DemoTable773 (StudentId int); Query OK, 0 rows affected (0.59 sec)Insert some ... Read More

MySQL query to find alternative records from a table

AmitDiwan

AmitDiwan

Updated on 03-Sep-2019 08:54:45

177 Views

To find alternative records from a table, you need to use the OR condition as in the below syntax −select *from yourTableName where yourColumnName=yourValue1 OR yourColumnName=yourValue2…...N;Let us first create a table −mysql> create table DemoTable772 ( Id int NOT NULL AUTO_INCREMENT PRIMARY KEY, Name ... Read More

MySQL query to find the date records wherein the current date and time is in between the JoiningDate and RelievingDate

AmitDiwan

AmitDiwan

Updated on 03-Sep-2019 08:49:22

73 Views

Use BETWEEN to find the date and time between joining and relieving date. NOW() is used to get the current date and time for comparison.Let us first create a table −mysql> create table DemoTable771 ( Joiningdate datetime, Relievingdate datetime ); Query OK, 0 rows ... Read More

Updating only a single column value in MySQL?

AmitDiwan

AmitDiwan

Updated on 03-Sep-2019 08:46:35

971 Views

Let us first create a table −mysql> create table DemoTable770 ( Id int NOT NULL AUTO_INCREMENT PRIMARY KEY, Value int ); Query OK, 0 rows affected (0.65 sec)Insert some records in the table using insert command −mysql> insert into DemoTable770(Value) values(10); Query OK, 1 ... Read More

How to set country code to column values with phone numbers in MySQL?

AmitDiwan

AmitDiwan

Updated on 03-Sep-2019 08:41:28

3K+ Views

To set country code to phone numbers would mean to concatenate. You can use CONCAT() for this.Let us first create a table −mysql> create table DemoTable769 (MobileNumber varchar(100)); Query OK, 0 rows affected (0.54 sec)Insert some records in the table using insert command −mysql> insert into DemoTable769 values('8799432434'); Query OK, ... Read More

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