| layout | title | displayTitle | license |
|---|---|---|---|
global |
SHOW DATABASES |
SHOW DATABASES |
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|
Lists the databases that match an optionally supplied string pattern. If no
pattern is supplied then the command lists all the databases in the system.
Please note that the usage of SCHEMAS and DATABASES are interchangeable
and mean the same thing.
{% highlight sql %} SHOW { DATABASES | SCHEMAS } [ LIKE string_pattern ] {% endhighlight %}
LIKE string_pattern-
Specifies a string pattern that is used to match the databases in the system. In
the specified string pattern
'*'matches any number of characters.
{% highlight sql %}
-- Create database. Assumes a database named default already exists in
-- the system.
CREATE DATABASE payroll_db;
CREATE DATABASE payments_db;
-- Lists all the databases.
SHOW DATABASES;
+------------+
|databaseName|
+------------+
| default|
| payments_db|
| payroll_db|
+------------+
-- Lists databases with name starting with string pattern pay
SHOW DATABASES LIKE 'pay*';
+------------+
|databaseName|
+------------+
| payments_db|
| payroll_db|
+------------+
-- Lists all databases. Keywords SCHEMAS and DATABASES are interchangeable.
SHOW SCHEMAS;
+------------+
|databaseName|
+------------+
| default|
| payments_db|
| payroll_db|
+------------+
{% endhighlight %}