WIP default language docs

Author: mnd999

modules/ROOT/pages/database-administration/composite-databases/create-composite-databases.adoc

@@ -93,6 +93,18 @@ The behavior of `IF NOT EXISTS` and `OR REPLACE` apply to both standard and comp
 The `IF NOT EXISTS` and `OR REPLACE` parts of these commands cannot be used together.
 ====
 
+[[composite-databases-default-language]]
+=== Create composite databases with `DEFAULT LANGUAGE`
+The `CREATE COMPOSITE DATABASE` command can be used to set the default Cypher version when creating a composite database.
+
+.Query
+[source, cypher]
+----
+CREATE COMPOSITE DATABASE inventory DEFAULT LANGUAGE CYPHER 5
+----
+
+For more information see link:{neo4j-docs-base-uri}/cypher-manual/current/queries/select-version/#select-default-cypher-version[Cypher Manual -> Queries -> Select Cypher version].
+
 [[composite-databases-stop]]
 == Stop composite databases
 

modules/ROOT/pages/database-administration/standard-databases/alter-databases.adoc

@@ -1,5 +1,4 @@
 :description: how to modify standard databases in Neo4j using the Cypher command `ALTER DATABASE`.
-[role=enterprise-edition not-on-aura]
 [[administration-databases-alter-database]]
 = Alter databases
 
@@ -38,6 +37,7 @@ There can be multiple `SET OPTION` or `REMOVE OPTION` clauses for different opti
 ====
 |===
 
+[role=enterprise-edition not-on-aura]
 [[manage-databases-alter]]
 == Alter database access mode
 
@@ -102,11 +102,13 @@ SET ACCESS READ WRITE
 The `ALTER DATABASE` command can be used to set the default Cypher version for a database.
 For more information see link:{neo4j-docs-base-uri}/cypher-manual/current/queries/select-version/#alter-default-cypher-version[Cypher Manual -> Queries -> Select Cypher version].
 
+[role=enterprise-edition not-on-aura]
 == Alter database topology
 
 In a cluster environment, you can use the `ALTER DATABASE` command to change the number of servers hosting a database.
 For more information, see xref::clustering/databases.adoc#alter-topology[Managing databases in a cluster].
 
+[role=enterprise-edition not-on-aura]
 [[alter-database-options]]
 == `ALTER DATABASE` options
 

modules/ROOT/pages/database-administration/standard-databases/configuration-parameters.adoc

@@ -93,6 +93,15 @@ Example configuration:
 ----
 server.databases.writable=["foo", "bar"]
 ----
+| xref:configuration/configuration-settings.adoc#config_db.query.default_language[`db.query.default_language`]
+a|
+The default query language version used for newly created databases where not specified as part of `CREATE` or `ALTER` database. This will also be used for `system` and `neo4j` databases when a new DBMS is started.
+
+Example configuration:
+[source, example, role="noheader"]
+----
+db.query.default_language=CYPHER_5
+----
 |===
 
 [NOTE]

modules/ROOT/pages/database-administration/standard-databases/listing-databases.adoc

@@ -193,6 +193,11 @@ For other database states the value will be `NULL`.
 |The names of any constituents the database may have. Applicable only for composite databases. label:default-output[]
 | LIST<STRING>
 
+|defaultLanguage
+|The default query language for this database.
+Queries that are not prefixed with a query language version will default to executing with theis version of Cypher.
+|STRING
+
 |options
 |The map of options applied to the database.
 | MAP
@@ -308,11 +313,11 @@ SHOW DATABASE movies YIELD *
 .Result
 [role="queryresult"]
 ----
-+----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
-| name     | type       | aliases                      | access       | databaseID                                                         | serverID                               | address          | role      | writer | requestedStatus | currentStatus | statusMessage | default | home  | currentPrimariesCount | currentSecondariesCount | requestedPrimariesCount | requestedSecondariesCount | creationTime             | lastStartTime            | lastStopTime | store                | lastCommittedTxn | replicationLag | constituents | options |
-+----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
-| "movies" | "standard" | ["films", "motion pictures"] | "read-write" | "C066801F54B44EA1520F0FE392B4005AABF42D8DD0A5FD09969B955575D287D5" | "e3063985-e2f4-4728-824b-a7d53779667a" | "localhost:7687" | "primary" | TRUE   | "online"        | "online"      | ""            | FALSE   | FALSE | 1                     | 0                       | 1                       | 0                         | 2023-08-14T10:01:29.074Z | 2023-08-14T10:01:29.074Z | NULL         | "record-aligned-1.1" | 3                | 0              | []           | {}      |
-+----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
++----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
+| name     | type       | aliases                      | access       | databaseID                                                         | serverID                               | address          | role      | writer | requestedStatus | currentStatus | statusMessage | default | home  | currentPrimariesCount | currentSecondariesCount | requestedPrimariesCount | requestedSecondariesCount | creationTime             | lastStartTime            | lastStopTime | store                | lastCommittedTxn | replicationLag | constituents | defaultLanguage | options |
++----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
+| "movies" | "standard" | ["films", "motion pictures"] | "read-write" | "C066801F54B44EA1520F0FE392B4005AABF42D8DD0A5FD09969B955575D287D5" | "e3063985-e2f4-4728-824b-a7d53779667a" | "localhost:7687" | "primary" | TRUE   | "online"        | "online"      | ""            | FALSE   | FALSE | 1                     | 0                       | 1                       | 0                         | 2023-08-14T10:01:29.074Z | 2023-08-14T10:01:29.074Z | NULL         | "record-aligned-1.1" | 3                | 0              | []           | "CYPHER 5"      | {}      |
++----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
 ----
 
 == Show the number of databases

modules/ROOT/pages/database-administration/syntax.adoc

@@ -118,6 +118,7 @@ YIELD { * \| field[, ...] } [ORDER BY field[, ...]] [SKIP n] [LIMIT n]
 [source, syntax, role="noheader"]
 ----
 CREATE DATABASE name [IF NOT EXISTS]
+[DEFAULT LANGUAGE CYPHER {5\|25}]
 [TOPOLOGY n PRIMAR{Y\|IES} [m SECONDAR{Y\|IES}]]
 [OPTIONS "{" option: value[, ...] "}"]
 [WAIT [n [SEC[OND[S]]]]\|NOWAIT]
@@ -197,6 +198,7 @@ CREATE OR REPLACE COMPOSITE DATABASE name
 ALTER DATABASE name [IF EXISTS]
 {
 SET ACCESS {READ ONLY \| READ WRITE} \|
+SET DEFAULT LANGUAGE CYPHER {5\|25} \|
 SET TOPOLOGY n PRIMAR{Y\|IES} [m SECONDAR{Y\|IES}] \|
 SET OPTION option value
 }