For this, use CONCAT() along with LIKE operator. Let us first create a table −mysql> create table DemoTable (    Name varchar(40) ); Query OK, 0 rows affected (0.56 sec)Insert some records in the table using insert command −mysql> insert into DemoTable values('John'); Query OK, 1 row affected (0.33 sec) ... Read More

Let us first see how we can perform NAND/NOR operations in MySQL. The concept is as follows −NAND= NOT( yourColumnName1 AND yourColumnName2) NOR=NOT( yourColumnName1 OR yourColumnName2)Let us first create a table −mysql> create table DemoTable (    Value1 boolean ,    Value2 boolean ); Query OK, 0 rows affected (0.72 ... Read More

Let us first create a table −mysql> create table DemoTable (    BookingDate date ); Query OK, 0 rows affected (0.67 sec)Insert some records in the table using insert command −mysql> insert into DemoTable values('2019-09-21'); Query OK, 1 row affected (0.16 sec) mysql> insert into DemoTable values('2018-09-10'); Query OK, 1 ... Read More

Use GROUP BY with the COUNT() method. Group the names with GROUP BY and count using the COUNT() method. Let us first create a table −mysql> create table DemoTable (    Name varchar(30) ); Query OK, 0 rows affected (0.63 sec)Insert some records in the table using insert command −mysql> ... Read More

To populate autocomplete, use the LIKE clause in MySQL. Let us first create a table −mysql> create table DemoTable (    SchoolName varchar(100) ); Query OK, 0 rows affected (0.56 sec)Insert some records in the table using insert command −mysql> insert into DemoTable values('Horce Greeley'); Query OK, 1 row affected ... Read More

For this, use GROUP_CONCAT() along with GROUP BY. Here, the GROUP_CONCAT() is used to concatenate data from multiple rows into one field.Let us first create a table −mysql> create table DemoTable (    PlayerId int,    ListOfPlayerName varchar(30) ); Query OK, 0 rows affected (0.52 sec)Insert some records in the ... Read More

To display NULL records, use IS NULL in MySQL. To ignore a single value, use the != operator , which is an alias of the operator.Let us first create a table −mysql> create table DemoTable (    Id int NOT NULL AUTO_INCREMENT PRIMARY KEY,    PlayerName varchar(40) ); Query ... Read More

Do not use single quotes. You need to use backticks around the table name match, since it is a reserved name in MySQL. Following is the error that occurs :mysql> select *from match; ERROR 1064 (42000) : You have an error in your SQL syntax; check the manual that corresponds ... Read More

To fix this error, you need to add PRIMARY KEY to auto_increment field. Let us now see how this error occurs −Here, we are creating a table and it gives the same error −mysql> create table DemoTable (    StudentId int NOT NULL AUTO_INCREMENT,    StudentName varchar(40),    StudentAge int ... Read More

We need to find the weekday i.e. week 1 from date 1 to 7, week 2 from date 8 to 14, etc. To get the day, use DAY() function in MySQL. Set the conditions to get the weekday (number) using CASE statement.Let us now see an example and create a ... Read More