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AmitDiwan has Published 10740 Articles
AmitDiwan
476 Views
To set custom field value, use FIND_IN_SET(). Let us first create a table −mysql> create table DemoTable677( UserId int NOT NULL AUTO_INCREMENT PRIMARY KEY, UserStatus text ); Query OK, 0 rows affected (1.07 sec)Insert some records in the table using insert command −mysql> insert into DemoTable677(UserStatus) values('BUSY'); Query ... Read More
AmitDiwan
603 Views
The CONCAT() method would be used to concatenate “MR” to every string, whereas GROUP_CONCAT() to concatenate some of the column values in a single line.Let us first see an example and create a table −mysql> create table DemoTable799( UserId int, UserName varchar(100), UserAge int ); Query OK, ... Read More
AmitDiwan
253 Views
Let us first create a table −mysql> create table DemoTable676( Id int NOT NULL AUTO_INCREMENT PRIMARY KEY, Number int ); Query OK, 0 rows affected (0.50 sec)Insert some records in the table using insert command −mysql> insert into DemoTable676(Number) values(1000); Query OK, 1 row affected (0.23 sec) mysql> ... Read More
AmitDiwan
499 Views
To search within a table of comma-separated values, use LIKE operator. Let us first create a table −mysql> create table DemoTable675(Value text); Query OK, 0 rows affected (0.55 sec)Insert some records in the table using insert command −mysql> insert into DemoTable675 values('10, 56, 49484, 93993, 211, 4594'); Query OK, 1 ... Read More
AmitDiwan
106 Views
Yes, we can name columns in an insert statement. Let us first create a table −mysql> create table DemoTable674( StudentId int, StudentFirstName varchar(100), StudentLastName varchar(100) ); Query OK, 0 rows affected (0.82 sec)Insert some records in the table using insert command −mysql> insert into DemoTable674 set StudentId=10, ... Read More
AmitDiwan
2K+ Views
For this, use GROUP BY HAVING clause. Let us first create a table −mysql> create table DemoTable673( Id int NOT NULL AUTO_INCREMENT PRIMARY KEY, Value int ); Query OK, 0 rows affected (0.59 sec)Insert some records in the table using insert command −mysql> insert into DemoTable673(Value) values(10); Query ... Read More
AmitDiwan
330 Views
For this, use order by nullif(). Let us first create a table −mysql> create table DemoTable672( CustomerId int NOT NULL AUTO_INCREMENT PRIMARY KEY, CustomerName varchar(100), CustomerAmount int ); Query OK, 0 rows affected (0.81 sec)Insert some records in the table using insert command −mysql> insert into DemoTable672(CustomerName, ... Read More
AmitDiwan
133 Views
For particular type of columns beginning with a certain letter, use LIKE. To concatenate the column names, use GROUP_CONCAT() as in the below syntax −SELECT group_concat(COLUMN_NAME separator ' , ') FROM INFORMATION_SCHEMA.COLUMNS WHERE table_name = "yourTableName" AND table_schema = "yourDatabaseName" AND column_name LIKE "yourSpecificLetter%";Let us first create a table −mysql> ... Read More
AmitDiwan
139 Views
To sort domain names, use the ORDER BY SUBSTRING_INDEX(). Let us first create a table −mysql> create table DemoTable670(DomainName text); Query OK, 0 rows affected (0.77 sec)Insert some records in the table using insert command. Here, we are inserting domain names −mysql> insert into DemoTable670 values('www.facebook.com'); Query OK, 1 row ... Read More
AmitDiwan
3K+ Views
Let us first create a table −mysql> create table DemoTable668(JoiningDate varchar(200)); Query OK, 0 rows affected (0.97 sec)Insert some records in the table using insert command. We have inserted date in the format yyyy-mm-ddThh:mm:ss.sssZ −mysql> insert into DemoTable668 values('2001-01-10T06:20:00.000Z'); Query OK, 1 row affected (0.16 sec) mysql> insert into DemoTable668 ... Read More