# Databases & ETL **URL:** https://community.neo4j.com/c/integrations/databases/20.md [Latest](https://community.neo4j.com/latest.md) · [Categories](https://community.neo4j.com/categories.md) · [Tags](https://community.neo4j.com/tags.md) --- ## [About the Databases & ETL category](https://community.neo4j.com/t/about-the-databases-etl-category/31)
**Author:** [@michael.hunger](https://community.neo4j.com/u/michael.hunger)\ **Replies:** 0\ **Last updated:** [June 11, 2018, 3:53pm UTC](https://community.neo4j.com/t/about-the-databases-etl-category/31 "2018-06-11T15:53:08Z")
Neo4j can integrate with a number of relational and non-relational databases. Either with dedicated integrations and #neo4j-graph-platform:etl tools or via procedure libraries like #neo4j-graph-platform:procedures-apoc I… --- ## [Viewing or Parsing Transactional Logs](https://community.neo4j.com/t/viewing-or-parsing-transactional-logs/79821)
**Author:** [@sandeep.coded.it](https://community.neo4j.com/u/sandeep.coded.it)\ **Replies:** 0\ **Last updated:** [July 8, 2026, 6:55pm UTC](https://community.neo4j.com/t/viewing-or-parsing-transactional-logs/79821 "2026-07-08T18:55:35Z")
I could not find the username and password to the private maven repo that has the utility for parsing / viewing transactional logs, I am curious to look into it and read the contents, but it seems this util is somethi… --- ## [Sandbox neo4j get param connection](https://community.neo4j.com/t/sandbox-neo4j-get-param-connection/71756)
**Author:** [@djsundukov](https://community.neo4j.com/u/djsundukov)\ **Replies:** 0\ **Last updated:** [December 4, 2024, 3:31pm UTC](https://community.neo4j.com/t/sandbox-neo4j-get-param-connection/71756 "2024-12-04T15:31:23Z")
Hello. Please share the parameters for connecting to the neo4j sandbox. I'm trying to get my own sandbox, an error on the site. Just a couple of days to check the solution. I can't install it locally. Wsl and dism.ex… --- ## [Cannot find apoc.jdbc on Neo4J Desktop](https://community.neo4j.com/t/cannot-find-apoc-jdbc-on-neo4j-desktop/67709)
**Author:** [@Betzebu1959](https://community.neo4j.com/u/Betzebu1959)\ **Replies:** 2\ **Last updated:** [May 3, 2024, 3:52pm UTC](https://community.neo4j.com/t/cannot-find-apoc-jdbc-on-neo4j-desktop/67709 "2024-05-03T15:52:24Z")
Hello, I am using Neo4j desktop 1.5.9 on Windows 11. The application works fine so far. I found in the documentation that there is a driver for jdbc connects to relational databases. I installed the APOC library 5.19 v… --- ## [Writing the composite database result to another database](https://community.neo4j.com/t/writing-the-composite-database-result-to-another-database/66347)
**Author:** [@Kchat](https://community.neo4j.com/u/Kchat)\ **Replies:** 0\ **Last updated:** [February 15, 2024, 2:08pm UTC](https://community.neo4j.com/t/writing-the-composite-database-result-to-another-database/66347 "2024-02-15T14:08:39Z")
We are trying to store the results from a composite database to another database. Is there a way to write the result from composite DB to another? --- ## [Preferred method to load medium-small and medium amounts of data](https://community.neo4j.com/t/preferred-method-to-load-medium-small-and-medium-amounts-of-data/65057)
**Author:** [@brcg](https://community.neo4j.com/u/brcg)\ **Replies:** 2\ **Last updated:** [November 23, 2023, 10:51am UTC](https://community.neo4j.com/t/preferred-method-to-load-medium-small-and-medium-amounts-of-data/65057 "2023-11-23T10:51:04Z")
I have a very simple MySQL database consisting of only three tables companies products companies\_products Table companies has ~470.000 rows of companies with some adress data, website, categories Table products has ~… --- ## [Upgrading neo4j 4.2 to 5](https://community.neo4j.com/t/upgrading-neo4j-4-2-to-5/64506)
**Author:** [@aschou](https://community.neo4j.com/u/aschou)\ **Replies:** 4\ **Last updated:** [October 16, 2023, 4:53pm UTC](https://community.neo4j.com/t/upgrading-neo4j-4-2-to-5/64506 "2023-10-16T16:53:13Z")
Ia it possible to migrate neo4j 4.2 directly to version5? Have not been able to do this in our Lab environment. Regards Alexander --- ## [Can we have multiple database on community edition](https://community.neo4j.com/t/can-we-have-multiple-database-on-community-edition/16265)
**Author:** [@siddhi166](https://community.neo4j.com/u/siddhi166)\ **Replies:** 2\ **Last updated:** [March 28, 2020, 1:27am UTC](https://community.neo4j.com/t/can-we-have-multiple-database-on-community-edition/16265 "2020-03-28T01:27:35Z")
Can we have multiple databases to handle multi-tenancy for neo4j community edition? --- ## [Any way to stream apoc.load.json from S3?](https://community.neo4j.com/t/any-way-to-stream-apoc-load-json-from-s3/62833)
**Author:** [@lalquier](https://community.neo4j.com/u/lalquier)\ **Replies:** 0\ **Last updated:** [June 8, 2023, 3:03pm UTC](https://community.neo4j.com/t/any-way-to-stream-apoc-load-json-from-s3/62833 "2023-06-08T15:03:06Z")
Hi I successfully set up apoc.load.json to work with AWS S3 and it works beautifully except for some very long files. The code I am using to load data looks like this: UNWIND \['\… --- ## [MS SQL to Neo4J ETL automated pipeline](https://community.neo4j.com/t/ms-sql-to-neo4j-etl-automated-pipeline/61574)
**Author:** [@marcusleongwh](https://community.neo4j.com/u/marcusleongwh)\ **Replies:** 1\ **Last updated:** [April 11, 2023, 8:18am UTC](https://community.neo4j.com/t/ms-sql-to-neo4j-etl-automated-pipeline/61574 "2023-04-11T08:18:11Z")
Hi all! A little new to Neo4J here. Hope someone here can give me a hand. How can I do an automated ETL data pipeline from MS SQL server 2017 to Neo4J? I am creating the Neo4J database for analytics and the MS SQL is f… --- ## [No procedure with the name \`apoc.load.jdbc\` registered for this database](https://community.neo4j.com/t/no-procedure-with-the-name-apoc-load-jdbc-registered-for-this-database/61105)
**Author:** [@a1olegs](https://community.neo4j.com/u/a1olegs)\ **Replies:** 1\ **Last updated:** [February 25, 2023, 12:11pm UTC](https://community.neo4j.com/t/no-procedure-with-the-name-apoc-load-jdbc-registered-for-this-database/61105 "2023-02-25T12:11:23Z")
"call apoc.load.html" with the same result --- ## [Neo4j JDBC connect to LibreOffice](https://community.neo4j.com/t/neo4j-jdbc-connect-to-libreoffice/60979)
**Author:** [@krid\_mail](https://community.neo4j.com/u/krid_mail)\ **Replies:** 0\ **Last updated:** [February 19, 2023, 7:40pm UTC](https://community.neo4j.com/t/neo4j-jdbc-connect-to-libreoffice/60979 "2023-02-19T19:40:27Z")
Hello all, I found an old web entry showing the integration of Neo4j with the LibreOffice Database via JDBC (Neo4j: JDBC Connection Case Using LibreOffice). I was curious to see if this integration would still work tod… --- ## [Can't connect to MSSQL with ETL connector (Windows Authentication)](https://community.neo4j.com/t/cant-connect-to-mssql-with-etl-connector-windows-authentication/43685)
**Author:** [@Graph\_Rich](https://community.neo4j.com/u/Graph_Rich)\ **Replies:** 4\ **Last updated:** [February 17, 2023, 5:17pm UTC](https://community.neo4j.com/t/cant-connect-to-mssql-with-etl-connector-windows-authentication/43685 "2023-02-17T17:17:21Z")
Hello, I'm using the following setup: sqljdbc41.jar in "C:\\Program Files\\Microsoft JDBC Driver 6.0 for SQL Server\\sqljdbc\_6.0\\enu\\jre7" sqljdbc\_auth.dll in "C:\\Windows\\SysWOW64" Connection URL (with server and db set … --- ## [Please update the Neo4j Connector for Apache Kafka site to 4.1.2](https://community.neo4j.com/t/please-update-the-neo4j-connector-for-apache-kafka-site-to-4-1-2/53473)
**Author:** [@koji](https://community.neo4j.com/u/koji)\ **Replies:** 2\ **Last updated:** [March 28, 2022, 5:07am UTC](https://community.neo4j.com/t/please-update-the-neo4j-connector-for-apache-kafka-site-to-4-1-2/53473 "2022-03-28T05:07:56Z")
Please update this Apache Kafka distribution from 4.1.0 to 4.1.2 for Neo4j 4.4.x. Is it Stable? Neo4j Connector for Apache Kafka --- ## [Using and Managing Multiple ontologies : Core, Domain Ontology and Reference ontologies](https://community.neo4j.com/t/using-and-managing-multiple-ontologies-core-domain-ontology-and-reference-ontologies/52466)
**Author:** [@paritosh\_deshmu](https://community.neo4j.com/u/paritosh_deshmu)\ **Replies:** 0\ **Last updated:** [February 24, 2022, 3:43am UTC](https://community.neo4j.com/t/using-and-managing-multiple-ontologies-core-domain-ontology-and-reference-ontologies/52466 "2022-02-24T03:43:07Z")
@jesus.barrasa , Thank you for guidance and sharing knowledge of ontology in neo4j. based on resonating thoughts, I am working on developing pvt vocabulary, taxonomy for pvt context based ontology for smart connected i… --- ## [Database 'neo4j' is unavailable. Run :sysinfo for more info](https://community.neo4j.com/t/database-neo4j-is-unavailable-run-sysinfo-for-more-info/30859)
**Author:** [@f.calabro1973](https://community.neo4j.com/u/f.calabro1973)\ **Replies:** 5\ **Last updated:** [October 30, 2021, 2:10am UTC](https://community.neo4j.com/t/database-neo4j-is-unavailable-run-sysinfo-for-more-info/30859 "2021-10-30T02:10:08Z")
HI, just installed the latest community version and I got a "DatabaseUnavailable: Database "neo4j" is unavailable, its status is "offline." I dont know how to fix it --- ## [Database conversion from SQL Server](https://community.neo4j.com/t/database-conversion-from-sql-server/44522)
**Author:** [@biospringxyz](https://community.neo4j.com/u/biospringxyz)\ **Replies:** 1\ **Last updated:** [September 28, 2021, 11:40pm UTC](https://community.neo4j.com/t/database-conversion-from-sql-server/44522 "2021-09-28T23:40:16Z")
Hello, I am a newbie in neo4j and want to find out whether it is possible to convert SQL Server DBs to neo4j. Do you have any pointer to it? Thanks. --- ## [Integrating Neo4j with DynamoDB](https://community.neo4j.com/t/integrating-neo4j-with-dynamodb/18502)
**Author:** [@SimonThordal](https://community.neo4j.com/u/SimonThordal)\ **Replies:** 1\ **Last updated:** [September 28, 2021, 1:49pm UTC](https://community.neo4j.com/t/integrating-neo4j-with-dynamodb/18502 "2021-09-28T13:49:19Z")
We are running an amazon hosted Neo4j cluster and we are getting close to 30G of data, storing quite a lot of legal documents with some hefty fulltext properties that tend to take a lot of space. We are now starting to e… --- ## [Import RDBMS source on neo4j community version](https://community.neo4j.com/t/import-rdbms-source-on-neo4j-community-version/38134)
**Author:** [@aravindsimhan](https://community.neo4j.com/u/aravindsimhan)\ **Replies:** 1\ **Last updated:** [May 13, 2021, 12:00pm UTC](https://community.neo4j.com/t/import-rdbms-source-on-neo4j-community-version/38134 "2021-05-13T12:00:46Z")
Is it possible to integrate an RDBMS source to a community version neo4j instance for ingestion? Could anyone share relevant documentation for the same ? --- ## [The Apache Nifi 1.12.1 Neo4JCypherClientService controller service hangs indefinitely attempting to connect to Neo4j 4.2.0](https://community.neo4j.com/t/the-apache-nifi-1-12-1-neo4jcypherclientservice-controller-service-hangs-indefinitely-attempting-to-connect-to-neo4j-4-2-0/32021)
**Author:** [@freddie.burgess](https://community.neo4j.com/u/freddie.burgess)\ **Replies:** 8\ **Last updated:** [February 26, 2021, 11:08pm UTC](https://community.neo4j.com/t/the-apache-nifi-1-12-1-neo4jcypherclientservice-controller-service-hangs-indefinitely-attempting-to-connect-to-neo4j-4-2-0/32021 "2021-02-26T23:08:54Z")
Bundle: org.apache.nifi - nifi-neo4j-cypher-service-nar Supports Controller Service: GraphClientService 1.12.0 from org.apache.nifi - nifi-graph-client-service-api-nar I can connect via: \[root@localhost bin\]# ./cyphe… --- ## [Import database to Neo4j Desktop](https://community.neo4j.com/t/import-database-to-neo4j-desktop/19139)
**Author:** [@gabrieliturrab](https://community.neo4j.com/u/gabrieliturrab)\ **Replies:** 11\ **Last updated:** [February 25, 2021, 7:35am UTC](https://community.neo4j.com/t/import-database-to-neo4j-desktop/19139 "2021-02-25T07:35:15Z")
Hello! I don't have experience in neo4j and I don't know if what I want to do is possible. I have an external application that is responsible for analyzing android applications and creates a database in neo4j generating… --- ## [How do I use Cypher to connect to a RDBMS using JDBC](https://community.neo4j.com/t/how-do-i-use-cypher-to-connect-to-a-rdbms-using-jdbc/287)
**Author:** [@dana\_canzano](https://community.neo4j.com/u/dana_canzano)\ **Replies:** 2\ **Last updated:** [January 23, 2021, 2:24pm UTC](https://community.neo4j.com/t/how-do-i-use-cypher-to-connect-to-a-rdbms-using-jdbc/287 "2021-01-23T14:24:36Z")
With the inclusion of java stored procedures in Neo4j 3.x, one can run Cypher to connect to a RDBMS using JDBC. To do so one needs to download and install GitHub - neo4j-contrib/neo4j-apoc-procedures: Awesome Procedures… --- ## [Unable to execute APOC procedure on embedded graph database](https://community.neo4j.com/t/unable-to-execute-apoc-procedure-on-embedded-graph-database/30281)
**Author:** [@nar.kendre](https://community.neo4j.com/u/nar.kendre)\ **Replies:** 1\ **Last updated:** [December 21, 2020, 3:38pm UTC](https://community.neo4j.com/t/unable-to-execute-apoc-procedure-on-embedded-graph-database/30281 "2020-12-21T15:38:07Z")
Experts, We are using the inventory application with an embedded graph database. APOC plugin jar apoc-3.5.0.3-all.jar is deployed against the neo4j Release 3.5.5. It is working fine on default graph database. If same … --- ## [I am not able to connect to database using Pentaho kettle - Neo4j output](https://community.neo4j.com/t/i-am-not-able-to-connect-to-database-using-pentaho-kettle-neo4j-output/30064)
**Author:** [@janardhan.narode](https://community.neo4j.com/u/janardhan.narode)\ **Replies:** 1\ **Last updated:** [December 4, 2020, 8:33pm UTC](https://community.neo4j.com/t/i-am-not-able-to-connect-to-database-using-pentaho-kettle-neo4j-output/30064 "2020-12-04T20:33:32Z")
I am not able to connect to database using Pentaho kettle - Neo4j output --- ## [Call apoc.es in apoc.periodic.repeat not working](https://community.neo4j.com/t/call-apoc-es-in-apoc-periodic-repeat-not-working/28690)
**Author:** [@pbouda](https://community.neo4j.com/u/pbouda)\ **Replies:** 0\ **Last updated:** [November 9, 2020, 11:06am UTC](https://community.neo4j.com/t/call-apoc-es-in-apoc-periodic-repeat-not-working/28690 "2020-11-09T11:06:37Z")
Hi, I am trying to call apoc.es.post in an apoc.periodic.repeat call like this: CALL apoc.periodic.repeat("updateElastic", 'CALL apoc.es.put("localhost", "some-index", "\_doc", "test-id", null, {id: "test-id", text: "tes… --- ## [Talend connection](https://community.neo4j.com/t/talend-connection/26540)
**Author:** [@tal.shainfeld](https://community.neo4j.com/u/tal.shainfeld)\ **Replies:** 0\ **Last updated:** [October 3, 2020, 1:21pm UTC](https://community.neo4j.com/t/talend-connection/26540 "2020-10-03T13:21:27Z")
Hi I try to connect Talend NoSQL to Neo4J version 4.x . The connection failed since Talend don't have that DB version. Did someone has a clue how to do so? --- ## [Cannot alias database connection string in conf/neo4j.conf when using apoc.load.jdbc()](https://community.neo4j.com/t/cannot-alias-database-connection-string-in-conf-neo4j-conf-when-using-apoc-load-jdbc/25163)
**Author:** [@yhu242](https://community.neo4j.com/u/yhu242)\ **Replies:** 1\ **Last updated:** [September 12, 2020, 6:02pm UTC](https://community.neo4j.com/t/cannot-alias-database-connection-string-in-conf-neo4j-conf-when-using-apoc-load-jdbc/25163 "2020-09-12T18:02:46Z")
I have neo4j installed using docker-compose and successfully enabled apoc plug-in. I'm able to use call apoc.load.jdbc("hard-coded-db-connection-string", "my-table") to retrieve data from my database which is good. Of … --- ## [Neo4j ETL & Snowflake](https://community.neo4j.com/t/neo4j-etl-snowflake/8467)
**Author:** [@lpfrnk](https://community.neo4j.com/u/lpfrnk)\ **Replies:** 2\ **Last updated:** [May 22, 2020, 1:02pm UTC](https://community.neo4j.com/t/neo4j-etl-snowflake/8467 "2020-05-22T13:02:56Z")
Any suggestions on getting NEO4J ETl to read snowflake tables? COMMAND: java -cp "C:\\Users\\xxx.Neo4jDesktop\\graphApps\_global\\neo4j-etl-ui/dist/neo4j-etl.jar;C:\\Users\\xxxx\\Downloads\\snowflake-jdbc-3.8.5.jar" org.neo4j.et… --- ## [ETL and System Tables](https://community.neo4j.com/t/etl-and-system-tables/16546)
**Author:** [@steve.lett](https://community.neo4j.com/u/steve.lett)\ **Replies:** 0\ **Last updated:** [April 1, 2020, 3:14pm UTC](https://community.neo4j.com/t/etl-and-system-tables/16546 "2020-04-01T15:14:27Z")
Hello. I'm trying to acclimate myself to the Neo4j ETL Tool, using MSSQL in my JDBC connection. Although I'm specifying a specific source database, the ETL seems to pick up all the tables and schemas from the System Tabl… --- ## [Integrating Neo4j with MongoDB and ElasticSearch](https://community.neo4j.com/t/integrating-neo4j-with-mongodb-and-elasticsearch/12673)
**Author:** [@prakritidev](https://community.neo4j.com/u/prakritidev)\ **Replies:** 2\ **Last updated:** [December 9, 2019, 5:36am UTC](https://community.neo4j.com/t/integrating-neo4j-with-mongodb-and-elasticsearch/12673 "2019-12-09T05:36:17Z")
Hi, I'm working on a open source project named Researchkernel.org which provides recommendations and personalised search to the user. I'm using Neo4j for my recommendation systems and \[Neo4j+Elasticsearch\] for search en… [Next page](https://community.neo4j.com/c/integrations/databases/20.md?page=1)