Let us first create a table −mysql> create table DemoTable    -> (    -> Id int,    -> Score int    -> ); Query OK, 0 rows affected (0.69 sec)Insert some records in the table using insert command −mysql> insert into DemoTable values(1, 858858686); Query OK, 1 row affected ... Read More

For this, use COALESCE() function from MySQL. Let us first create a table −mysql> create table DemoTable -> ( -> Value1 int, -> Value2 int -> ); Query OK, 0 rows affected (0.51 sec)Insert some records in the table using insert command −mysql> insert into DemoTable values(100, 200); Query OK, ... Read More

For this, you can use COUNT() function. Let us first create a table −mysql> create table DemoTable    -> (    -> EmployeeId int NOT NULL AUTO_INCREMENT PRIMARY KEY,    -> EmployeeName varchar(100)    -> ); Query OK, 0 rows affected (0.62 sec)Insert some records in the table using insert ... Read More

To select top 10 records, use LIMIT in MySQL. Let us first create a table −mysql> create table DemoTable -> ( -> PageNumber text -> ); Query OK, 0 rows affected (2.50 sec)Insert some records in the table using insert command −mysql> insert into DemoTable values('Page-1'); Query OK, 1 row ... Read More

For this, use ALTER command. Let us first create a table. The default engine is set as“MYISAM” −mysql> create table DemoTable -> ( -> ClientId int NOT NULL AUTO_INCREMENT, -> ClientName varchar(100), -> ClientAge int, -> ClientCountryName varchar(100), -> isMarried boolean, -> PRIMARY KEY(ClientId) -> )ENGINE=MyISAM; Query OK, 0 rows ... Read More

Use INSERT() function from MySQL. It has the following parameters −ParameterDescriptionstrString to be modifiedpositionPosition where to insert str2numberNumber of characters to replacestr2String to insert into strLet us first create a table −mysql> create table DemoTable    -> (    -> Code varchar(100)    -> ); Query OK, 0 rows affected ... Read More

Use ORDER BY and set DESC to order by desc. However, to get all the values except a single value, use the not equal operator.Let us first create a table −mysql> create table DemoTable    -> (    -> Name varchar(100)    -> ); Query OK, 0 rows affected (0.89 ... Read More

Use equal to operator for an exact match −select *from yourTableName where yourColumnName=yourValue;Let us first create a table −mysql> create table DemoTable -> ( -> FirstName varchar(100), -> LastName varchar(100) -> ); Query OK, 0 rows affected (0.70 secInsert some records in the table using insert command −mysql> insert into ... Read More

Use the LPAD() function to left pad values. Let us first create a table −mysql> create table DemoTable    -> (    -> Number int    -> ); Query OK, 0 rows affected (2.26 secInsert some records in the table using insert command −mysql> insert into DemoTable values(857786); Query OK, ... Read More

Let us first create a table −mysql> create table DemoTable -> ( -> value int -> ); Query OK, 0 rows affected (0.82 sec)Insert some records in the table using insert command −mysql> insert into DemoTable values(10); Query OK, 1 row affected (0.19 sec) mysql> insert into DemoTable values(100); ... Read More