Mysql Query Syntax Example

Hi friends how are you? Hope you are doing good, today i am going to share a very important and useful things with you. If you are beginners in mysql, then this tutorial is best for you. Below i have explained some important MYSQL Query Syntax with examples.

Some Important MYSQL Commands

1) SELECT – Select data from a table
2) UPDATE – updates data in a table
3) DELETE – delete data from a table
4) INSERT INTO – inserts new data into a table
5) CREATE DATABASE – creates a new table
6) ALTER DATABASE – modifies a table
7) CREATE TABLE – creates a new table
8) ALTER TABLE – modifies a table
9) DROP TABLE – deletes a table

Mysql Create table Syntax

Open the phpmyadmin and create a table using the below code.

CREATE TABLE employees
(
emp_id int,
emp_name varchar(255),
salary varchar(255)
);

CREATE TABLE employees

(

emp_id int,

emp_name varchar(255),

salary varchar(255)

);

MYSQL INSERT Statement Syntax

The INSERT INTO statement is used to insert new records in a table.

"INSERT INTO employees(emp_name,salary)VALUES('Robert','10000')";

1	"INSERT INTO employees(emp_name,salary)VALUES('Robert','10000')";

MYSQL SELECT Statement Syntax

Below example select the all data from the employees table

SELECT * FROM employees;

1	SELECT * FROM employees;

MYSQL DELETE Statement Syntax

Below example delete the matched data from the employees table

DELETE FROM employees WHERE emp_name="Robert";

1	DELETE FROM employees WHERE emp_name="Robert";

MYSQL UPDATE Statement Syntax

Below example Update the existing data from the employees table.

  UPDATE table_name SET emp_name="Prem" WHERE emp_name="Robert";

1	UPDATE table_name SET emp_name="Prem" WHERE emp_name="Robert";

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