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AmitDiwan has Published 10744 Articles
AmitDiwan
829 Views
Let us first create a table −mysql> create table DemoTable1 ( Name varchar(100), Gender ENUM('MALE', 'FEMALE') ); Query OK, 0 rows affected (0.50 sec)Insert some records in the table using insert command −mysql> insert into DemoTable1 values('Chris', 'Male'); Query OK, 1 row affected (0.17 sec) mysql> insert into ... Read More
AmitDiwan
136 Views
Let us first create a table −mysql> create table DemoTable ( Title text ); Query OK, 0 rows affected (0.39 sec)Insert some records in the table using insert command −mysql> insert into DemoTable values('Introduction to MySQL'); Query OK, 1 row affected (0.11 sec) mysql> insert into DemoTable values('Introduction to ... Read More
AmitDiwan
218 Views
To display, use DESC command or information_schema.columns. Let us first create a table and set options −mysql> create table DemoTable ( Color SET('RED', 'GREEN', 'BLUE', 'YELLOW') ); Query OK, 0 rows affected (0.47 sec)Case 1Here is the query to get the list of available options for SET using the ... Read More
AmitDiwan
943 Views
To insert random numbers, use RAND() function from MySQL. Let us first create a table −mysql> create table DemoTable ( Value int ); Query OK, 0 rows affected (0.46 sec)Insert some records in the table using insert command −mysql> insert into DemoTable values(10); Query OK, 1 row affected (0.15 ... Read More
AmitDiwan
147 Views
To delete a record in the required way, the syntax is as follows −delete from yourTableName where yourTableName .yourColumnName=yourValue;Let us first create a table −mysql> create table DemoTable ( StudentName varchar(100), StudentAge int ); Query OK, 0 rows affected (0.81 sec)Insert some records in the table using insert ... Read More
AmitDiwan
221 Views
Let us first create a table −mysql> create table DemoTable( Id int NOT NULL AUTO_INCREMENT PRIMARY KEY, Name varchar(100), AdmissionDate date ); Query OK, 0 rows affected (0.42 sec)Insert some records in the table using insert command −mysql> insert into DemoTable(Name, AdmissionDate) values('Chris', '2019-11-21'); Query OK, 1 ... Read More
AmitDiwan
375 Views
Let us first create a table −mysql> create table DemoTable ( Name varchar(100), Age int ); Query OK, 0 rows affected (0.46 sec)Insert some records in the table using insert command −mysql> insert into DemoTable values('Chris', 23); Query OK, 1 row affected (0.20 sec) mysql> insert into DemoTable ... Read More
AmitDiwan
131 Views
For this, you can use COUNT(). Let us first create a table −mysql> create table DemoTable ( Value int ); Query OK, 0 rows affected (0.69 sec)Insert some records in the table using insert command −mysql> insert into DemoTable values(10); Query OK, 1 row affected (0.14 sec) mysql> insert ... Read More
AmitDiwan
606 Views
Let us first create a table −mysql> create table DemoTable ( Id int NOT NULL AUTO_INCREMENT PRIMARY KEY, FirstName varchar(100) ); Query OK, 0 rows affected (0.46 sec)Insert some records in the table using insert command −mysql> insert into DemoTable(FirstName) values('Chris'); Query OK, 1 row affected (0.18 sec) ... Read More
AmitDiwan
130 Views
Let us first create a table −mysql> create table DemoTable ( FirstName varchar(100), LastName varchar(100) ); Query OK, 0 rows affected (0.76 sec)Insert some records in the table using insert command −mysql> insert into DemoTable values('Chris', 'Brown'); Query OK, 1 row affected (0.12 sec) mysql> insert into DemoTable ... Read More