How do I find metadata in MySQL?

How do I find metadata in MySQL?

MySQL provides several ways to obtain database metadata—that is, information about databases and the objects in them:

1. SHOW statements such as SHOW DATABASES or SHOW TABLES.
2. Tables in the INFORMATION_SCHEMA database.
3. Command-line programs such as mysqlshow or mysqldump.

What is metadata in MySQL?

Metadata is “the data about the data.” Anything that describes the database—as opposed to being the contents of the database—is metadata. Thus column names, database names, user names, version names, and most of the string results from SHOW are metadata.

How do I find a specific word in a MySQL database?

If you have phpMyAdmin installed use its ‘Search’ feature.

1. Select your DB.
2. Be sure you do have a DB selected (i.e. not a table, otherwise you’ll get a completely different search dialog)
3. Click ‘Search’ tab.
4. Choose the search term you want.
5. Choose the tables to search.

How do I find meta data in a table?

Using the Information Schema

1. SELECT TABLE_NAME FROM INFORMATION_SCHEMA. TABLES.
2. SELECT TABLE_NAME, COLUMN_NAME FROM INFORMATION_SCHEMA. COLUMNS.
3. SELECT COLUMN_NAME FROM INFORMATION_SCHEMA. COLUMNS WHERE TABLE_NAME = ‘Album’
4. IF EXISTS( SELECT * FROM INFORMATION_SCHEMA.
5. IF EXISTS( SELECT * FROM INFORMATION_SCHEMA.

What is metadata example?

Metadata is data about data. A simple example of metadata for a document might include a collection of information like the author, file size, the date the document was created, and keywords to describe the document. Metadata for a music file might include the artist’s name, the album, and the year it was released.

Is MySQL an in-memory database?

In-Memory Distributed MySQL Create an In-Memory Distributed MySQL Database to Improve Application Speed and Scalability The GridGain ® in-memory computing platform can significantly improve the performance and scalability of applications built on in-memory distributed MySQL.

How do I import database in MySQL?

Connect to your MySQL database Choose Import > From SQL Dump… from the File menu. This will bring up a dialog box, select the file on your file system that you would like to import, then click Import. Your database will now be updated. Click the Refresh button (Cmd + R) if needed.

Is there a sample MySQL database?

The MySQL sample database schema consists of the following tables: Customers: stores customer’s data. Products: stores a list of scale model cars. ProductLines: stores a list of product line categories. Orders: stores sales orders placed by customers. OrderDetails: stores sales order line items for each sales order. Payments: stores payments made by customers based on their accounts.

Where is my MySQL database?

mysql is found in /usr/local/mysql. Databases are stored in the data folder (/usr/local/mysql/data/databasename).