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What are the prerequisites before starting to write and use MySQL views?

王林
Release: 2023-08-29 18:45:08
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开始编写和使用 MySQL 视图之前有哪些先决条件?

MySQL version

We know that MySQL 5 introduces views, so before we start writing, we first need to check the version of MySQL and use stored procedures. This can be done through the following query -

mysql> Select VERSION();
+-----------+
| VERSION() |
+-----------+
| 5.7.20    |
+-----------+
1 row in set (0.10 sec)
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Current user's permissions

In fact, the CREATE VIEW statement requires CREATE VIEW permissions. The permissions of the current user can be checked using the following query -

mysql> SHOW PRIVILEGES
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Select Database

Before creating the view, we have to select a database from the available databases. This can be done with the help of the following query -

mysql> USE query;
Database changed
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From the above query, it is obvious that we are using the database named "query".

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source:tutorialspoint.com
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