MYSQL QUERY TO VISIDATA HOW TO
MYSQL QUERY TO VISIDATA UPDATE

The following displays all the fields in a table’s primary key: Query to display primary keys from a table. Query: Create or replace view product_list As select product_id, Product name, category from products where discount=no ĩ.

MYSQL QUERY TO VISIDATA UPDATE

The query to update the existing view is as below: Query: Create view A_students as select student_name, student_id from student where GPA > 80 Query to list all the views available in the schema. Query: Select sum(salary) from employee where emp_age > 30 Ħ. Query to calculate the total sum of the salary given to each employee in a company. Query: Select count(customer_id), country from customers group by country ĥ. Query to get all the customers from a customer table is: Query to get the total number of customers from a customer’s table. Query: Select name, age from patients where age > 45 group by age order by name Ĥ. Using “Group By” to sort the results from a table is as below: Query to sort the results from a table based on some constraint and using “Group by”. Query: Select emp_id, emp_name from employee where city='Hyderabad' order by emp_id ģ. Using orderby for sorting the results from a table is Query to order the results from a table based on specific constraints and using ‘order by’. Query: Select emp_id, emp_name from table employee where emp_id=100 Ģ. Query to get a specific field from a table where a constraint is matched(emp_id=100). Some of the following types of intermediate MySQL commands:ġ. The PHP developer also uses several other popular MySQL commands, which are not very basic but work with MySQL more. We can switch to using a particular database using the below query

MYSQL QUERY TO VISIDATA HOW TO

How to use a particular database in MySQL? We can select a particular field let us say uid from a table called os_users isġ0. How to select particular filed rows in a table? We can see the number of rows in a table using the query below:ĩ. How to know the total number of rows in a table? The above query will display all the fields where the field name is matched with tecmint and the web address is matched with Ĩ. Query: Select * from xrt where name='tecmint' and web_address=''

We will get the fields of a table where the name is matched as “tecmint,” and the web address is matched as “”

Let us consider a table as XYZ with the field’s id, name, and web address. Query to get all fields from a table with the name ‘tecmint’ and the web address ‘’. The above query will give creation_time and engine where the engine field is filled with “MyIsam”ħ. Query: Select create_time, engine from xyz where engine='MyIsam' We can write a MySQL Command query for the above requirement as below: Let us say we have a table XYZ with fields creation_time and engine, and the engine field is filled with string data, and the creation_time field is filled with date and time. We need to get the creation time and engine field for where the engine field is filled with “MyIsam”. How to get data from a table where a particular field is filled with data “MyIsam”.

Where lookup is a table name, we can delete a database using the below query. We can delete a table using the below MySql Command query Drop table lookup How to delete a table and a database in MySQL? Here os_users is a table with filed names u_id and password, and the output is as below:ĥ. Using the query below, we can get all the filed names and types of a table in MySQL Command. How to know all the filed names and types of tables in MySQL?

Mysql query to visidata