For this, you can use subquery. Let us first create a table −mysql> create table DemoTable844(    Id int NOT NULL AUTO_INCREMENT PRIMARY KEY,    Amount int ); Query OK, 0 rows affected (0.95 sec)Insert some records in the table using insert command −mysql> insert into DemoTable844(Amount) values(80); Query OK, ... Read More

Use IFNULL to check for NULL values and set a value using the SET command. Let us first create a table −mysql> create table DemoTable817(Value int); Query OK, 0 rows affected (0.53 sec)Insert some records in the table using insert command −mysql> insert into DemoTable817 values(10); Query OK, 1 row ... Read More

Use INFORMATION_SCHEMA.SCHEMA_PRIVILEGES to display all grants for a user −select *from INFORMATION_SCHEMA.SCHEMA_PRIVILEGES;Let us implement the above syntax to show all grants for a user −mysql> select *from INFORMATION_SCHEMA.SCHEMA_PRIVILEGES;This will produce the following output −+-----------------------------+---------------+--------------------+-------------------------+--------------+ | GRANTEE                     | TABLE_CATALOG | TABLE_SCHEMA ... Read More

Here, we will see an example wherein we are inserting dates and updating them while using the INSERT query.Let us first create a table −mysql> create table DemoTable816(DueDate datetime); Query OK, 0 rows affected (0.45 sec)Insert some records in the table using the insert command. Here is the query to ... Read More

Let us first create a table −mysql> create table DemoTable815(Gender BOOLEAN); Query OK, 0 rows affected (0.84 sec)Insert some records in the table using insert command −mysql> insert into DemoTable815 values(true); Query OK, 1 row affected (0.18 sec) mysql> insert into DemoTable815 values(false); Query OK, 1 row affected (0.16 sec) ... Read More

Use INTERVAL to update the days for all the dates in a MySQL table column. Let us first create a table −mysql> create table DemoTable814(ArrivalDate date); Query OK, 0 rows affected (0.58 sec)Insert some records in the table using insert command −mysql> insert into DemoTable814 values('2018-12-02'); Query OK, 1 row ... Read More

Use GROUP_CONCAT() to perform group concatenation and set a condition. Let us first create a table −mysql> create table DemoTable813(    UserId int NOT NULL AUTO_INCREMENT PRIMARY KEY,    UserFirstName varchar(100),    UserLastName varchar(100) ); Query OK, 0 rows affected (0.49 sec)Insert some records in the table using insert command ... Read More

To display results on the basis of keyword, use the LIKE operator as in the following syntax −select *from yourTableName where yourColumnName LIKE '%yourValue%';Let us first create a table −mysql> create table DemoTable812(Comments text); Query OK, 0 rows affected (0.61 sec)Insert some records in the table using insert command −mysql> ... Read More

Yes, it is enabled by default from MySQL version 4.0. Here, we are using MySQL version 8.0.1 −mysql> select version(); +-----------+ | version() | +-----------+ | 8.0.12    | +-----------+ 1 row in set (0.00 sec)Let us now check the my.ini wherein the default engine type InnoDB is visible ... Read More

Yes, we can insert two or more rows in a table at once. Following is the syntax −insert into yourTableName(yourColumnName1, yourColumnName2) values(yourValue1, yourValue2), (yourValue1, yourValue2), .........N;Let us first create a table −mysql> create table DemoTable811(    StudentId int NOT NULL AUTO_INCREMENT PRIMARY KEY,    StudentName varchar(100),    StudentAge int ); ... Read More