The SELECT(COLNAME) means, we are creating an alias for that column. Let us see an example and create a table −mysql> create table DemoTable865(    FirstName varchar(100),    LastName varchar(100) ); Query OK, 0 rows affected (0.77 sec)Insert some records in the table using insert command −mysql> insert into DemoTable865 ... Read More

Let us first create a table −mysql> create table DemoTable839(    StudentFirstName varchar(100),    StudentLastName varchar(100) ); Query OK, 0 rows affected (0.69 sec)Insert some records in the table using insert command −mysql> insert into DemoTable839 values('Chris', 'Brown'); Query OK, 1 row affected (0.15 sec) mysql> insert into DemoTable839 values('', ... Read More

For this, use the ENUM data type. Let us first create a table −mysql> create table DemoTable838(Color ENUM('RED', 'GREEN', 'BLUE')); Query OK, 0 rows affected (0.67 sec)Insert some records in the table using insert command −mysql> insert into DemoTable838 values('RED'); Query OK, 1 row affected (0.11 sec) mysql> insert into ... Read More

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

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

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

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

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

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

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