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add query for counting databases in a cluster #1224

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Merged
merged 4 commits into from
Dec 4, 2023
Merged

add query for counting databases in a cluster #1224

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e09c00c
add query for counting databases in a cluster
AlexicaWright Nov 30, 2023
ea520dc
Update modules/ROOT/pages/database-administration/standard-databases/…
AlexicaWright Dec 4, 2023
4c7d3f2
use only one example to not discriminate clusters
AlexicaWright Dec 4, 2023
a9cfebc
addressed PR comment
AlexicaWright Dec 4, 2023
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9 changes: 6 additions & 3 deletions ...les/ROOT/pages/database-administration/standard-databases/manage-databases.adoc
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Expand Up @@ -300,13 +300,13 @@ SHOW DATABASE movies YIELD *

=== Show the number of databases

The number of databases can be seen using a `count()` aggregation with `YIELD` and `RETURN`.
The number of distinct databases can be seen using `YIELD` and a `count()` function in the `RETURN` clause.

.Query
[source, cypher]
----
SHOW DATABASES YIELD *
RETURN count(*) AS count
SHOW DATABASES YIELD name
RETURN count(DISTINCT name) AS count
----

.Result
Expand All @@ -319,6 +319,9 @@ RETURN count(*) AS count
+-------+
----

By specifying the `name` column and sorting the results by distinct name, only the number of distinct databases are counted, **not** the number of allocations of databases in a clustered environment.


=== Show the default database

The default database can be seen using the command `SHOW DEFAULT DATABASE`.
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