How to query the number of connections in Oracle

In Oracle, you can use the select statement to query the number of connections. This statement is used to return query results under specified conditions. It is a commonly used query statement in Oracle. The syntax is "select count(*) from v$process ".

The operating environment of this tutorial: Windows 10 system, Oracle 11g version, Dell G3 computer.

How to query the number of Oracle connections

Use select count(*) from v$process; to query the number of currently connected sessions.

Examples are as follows:

##select value from v$parameter where name = 'processes' -- The maximum number of connections allowed by the database

The example is as follows:

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