How do I show views in MySQL?

How do I show views in MySQL?

The list of schemas in the database server will show up in the bottom section on the left. Click on the database name that you want to select. The right hand pane should change with the list of all tables in the selected database. Click on Views tab at the top to list all the views in the database.

Where are views stored in MySQL?

Summary. Views are virtual tables; they do not contain the data that is returned. The data is stored in the tables referenced in the SELECT statement.

Are MySQL views indexed?

It is not possible to create an index on a view. Indexes can be used for views processed using the merge algorithm. However, a view that is processed with the temptable algorithm is unable to take advantage of indexes on its underlying tables (although indexes can be used during generation of the temporary tables).

How do I view data tables in MySQL?

To get a list of the tables in a MySQL database, use the mysql client tool to connect to the MySQL server and run the SHOW TABLES command. The optional FULL modifier will show the table type as a second output column.

How do I view database views?

To show the views of a database, you use the tables table from the INFORMATION_SCHEMA ….MySQL Show View – using INFORMATION_SCHEMA database

  1. The table_schema column stores the schema or database of the view (or table).
  2. The table_name column stores the name of the view (or table).

What are MySQL triggers?

A MySQL trigger is a stored program (with queries) which is executed automatically to respond to a specific event such as insertion, updation or deletion occurring in a table.

What is SQL database view?

A database view is a subset of a database and is based on a query that runs on one or more database tables. Database views are saved in the database as named queries and can be used to save frequently used, complex queries.

What does a view do in MySQL database?

SQL view is nothing but a virtual table of the database. The view contains fields like a real table, but those fields are from one or more tables in the database which is executed by running a bunch of MySQL queries. We can perform operations like WHERE and JOIN clauses in the virtual tables. On the other hand, VIEW is nothing but SELECT queries.

How to create a new view in MySQL?

1. DROP: A view/virtual table can be deleted using the DROP VIEW command. If we want to delete the customer_archive table, 2. CREATE OR REPLACE: With CREATE OR REPLACE VIEW command we can update a view / virtual table. SELECT column1, column2,…. 3. JOIN: We also can create a view by joining multiple tables.

When to issue a SELECT statement against a view in MySQL?

When you issue the SELECT statement against the view, MySQL executes the underlying query specified in the view’s definition and returns the result set. For this reason, sometimes, a view is referred to as a virtual table. MySQL allows you to create a view based on a SELECT statement that retrieves data from one or more tables.

How to delete a virtual table in MySQL?

1. DROP: A view/virtual table can be deleted using the DROP VIEW command. If we want to delete the customer_archive table, 2. CREATE OR REPLACE: With CREATE OR REPLACE VIEW command we can update a view / virtual table. SELECT column1, column2,….