Let us first create a table −mysql> create table DemoTable -> ( -> Name varchar(100) -> ); Query OK, 0 rows affected (2.23 sec)Insert some records in the table using insert command −mysql> insert into DemoTable values('John'); Query OK, 1 row affected (0.20 sec) mysql> insert into DemoTable values('Sam\''s'); ... Read More

Set it with WHERE and get the records of students more than a specific score. Let us first create a table −mysql> create table DemoTable    -> (    -> Id int NOT NULL AUTO_INCREMENT PRIMARY KEY,    -> StudentName varchar(100),    -> StudentScore int    -> ); Query OK, ... Read More

To get the count of distinct records, use DISTINCT along with COUNT(). Following is the syntax −select count(DISTINCT yourColumnName) from yourTableName;Let us first create a table −mysql> create table DemoTable -> ( -> Name varchar(20), -> Score int -> ); Query OK, 0 rows affected (0.67 sec)Insert some records in ... Read More

For this, you can use TIME_TO_SEC() function. Let us first create a table −mysql> create table DemoTable    -> (    -> SourceTime time,    -> DestinationTime time    -> ); Query OK, 0 rows affected (1.33 sec)Insert some records in the table using insert command −mysql> insert into DemoTable ... Read More

Let us first create a table −mysql> create table DemoTable    -> (    -> StudentId varchar(100)    -> ); Query OK, 0 rows affected (0.71 sec)Insert some records in the table using insert command −mysql> insert into DemoTable values('John19383'); Query OK, 1 row affected (0.18 sec) mysql> insert ... Read More

To select month and year in MySQL, you can use MONTH() and YEAR() method. Let us first create a table −mysql> create table DemoTable    -> (    -> DueDate datetime    -> ); Query OK, 0 rows affected (0.90 sec)Insert some records in the table using insert command −mysql> ... Read More

Let us first create a table −mysql> create table DemoTable    -> (    -> Number int    -> ); Query OK, 0 rows affected (0.57 sec)Insert some records in the table using insert command −mysql> insert into DemoTable values(10); Query OK, 1 row affected (0.13 sec) mysql> insert ... Read More

Let us first create a table −mysql> create table DemoTable    -> (    -> Code varchar(100)    -> ); Query OK, 0 rows affected (1.07 sec)Insert some records in the table using insert command −mysql> insert into DemoTable values('/101/102/106'); Query OK, 1 row affected (0.14 sec) mysql> insert ... Read More

Use i.e. not equal in MySQL to exclude a specific row from a table. Let us first create a table −mysql> create table DemoTable    -> (    -> Id int,    -> FirstName varchar(100)    -> ); Query OK, 0 rows affected (0.58 sec)Insert some records in the ... Read More

Let us first create a table −mysql> create table DemoTable    -> (    -> 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 DemoTable(Number) values(10); Query ... Read More