Let us first create a table −mysql> create table DemoTable (    id int ); Query OK, 0 rows affected (0.52 sec)Insert some records in the table using insert command −mysql> insert into DemoTable values(10); Query OK, 1 row affected (0.43 sec) mysql> insert into DemoTable values(7); Query OK, 1 ... Read More

Let us first create a table −mysql> create table DemoTable (    Value varchar(100) ); Query OK, 0 rows affected (0.57 sec)Insert some records in the table using insert command −mysql> insert into DemoTable values('€986'); Query OK, 1 row affected (0.15 sec) mysql> insert into DemoTable values('§97'); Query OK, 1 ... Read More

To select distinct values from two columns, use UNION. Let us first create a table −mysql> create table DemoTable1 (    Value1 int ); Query OK, 0 rows affected (0.56 sec)Insert some records in the table using insert command −mysql> insert into DemoTable1 values(1); Query OK, 1 row affected (0.13 ... Read More

Let us first create a table −mysql> create table DemoTable (    StudentId int,    StudentName varchar(100) ); Query OK, 0 rows affected (0.85 sec)Insert some records in the table using insert command −mysql> insert into DemoTable values(NULL, 'Chris'); Query OK, 1 row affected (0.14 sec) mysql> insert into DemoTable ... Read More

Let us first create a table −mysql> create table DemoTable (    Value varchar(100) ); Query OK, 0 rows affected (0.75 sec)Insert some records in the table using insert command −mysql> insert into DemoTable values('190'); Query OK, 1 row affected (0.13 sec) mysql> insert into DemoTable values('230'); Query OK, 1 ... Read More

Let us first create a table −mysql> create table DemoTable (    DueDate varchar(100) ); Query OK, 0 rows affected (0.50 sec)Insert some records in the table using insert command −mysql> insert into DemoTable values('21/10/2018'); Query OK, 1 row affected (0.22 sec) mysql> insert into DemoTable values('18/08/2019'); Query OK, 1 ... Read More

Let us first create a table −mysql> create table DemoTable1 (    PersonId int,    Value int ); Query OK, 0 rows affected (0.64 sec)Insert some records in the table using insert command −mysql> insert into DemoTable1 values(100, 78); Query OK, 1 row affected (0.46 sec) mysql> insert into DemoTable1 ... Read More

Let us first create a table −mysql> create table DemoTable (    FirstName varchar(100),    CountryName varchar(100) ); Query OK, 0 rows affected (0.56 sec)Insert some records in the table using insert command −mysql> insert into DemoTable values('Adam', 'US'); Query OK, 1 row affected (0.12 sec) mysql> insert into DemoTable ... Read More

Here’s the syntax to check whether the table already exists using the CREATE TABLE IF NOT EXISTS −create table if not exists yourTableName (    yourColumnName1 dataType,    .    .    .    .    N ); insert into yourTableName values(yourValue1, .......N);Let us first create a table −mysql> create ... Read More

For this, you can use FIND_IN_SET(). Let us first create a table −mysql> create table DemoTable (    Id int NOT NULL AUTO_INCREMENT PRIMARY KEY,    Value varchar(100) ); Query OK, 0 rows affected (2.49 sec)Insert some records in the table using insert command −mysql> insert into DemoTable(Value) values('100;200;300'); Query ... Read More