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This is a top level repository for code examples related to the use of Oracle NoSQL Database.

Home Page: https://www.oracle.com/database/nosql/

License: Universal Permissive License v1.0

Java 29.69% HTML 26.67% JavaScript 7.42% CSS 1.28% Shell 5.87% Python 7.70% HCL 2.43% Dockerfile 0.15% TypeScript 5.82% C# 7.10% Go 5.87%
nosql oracle-nosql-database cloud database examples nosql-database on-premise oracle oracle-cloud api functions java node-js oci python spring spring-data stream terraform awesome

nosql-examples's Introduction

Oracle NoSQL Database

Oracle NoSQL

Oracle NoSQL Database is designed for today’s most demanding applications that require low latency responses, flexible data models, and elastic scaling for dynamic workloads. It supports JSON, Table and Key-Value datatypes running on-premise, or as a cloud service with on-demand throughput and storage based provisioning.

Oracle NoSQL Database Cloud Service is now a fully managed database service running on Gen 2 Oracle Cloud Infrastructure hardware.

Oracle NoSQL Database Cloud Service makes it easy for developers to build applications, delivering predictable single digit millisecond response times with data replication for high availability. The service offers ACID transactions, serverless scaling, comprehensive security, and low pay-per-use pricing for both on-demand and provisioned capacity modes, including 100% compatibility with on-premises Oracle NoSQL Database.

Oracle Nosql Examples

This repository stores a variety of examples demonstrating how to use the Oracle NoSQL Database.

Repo/Folder name Description
cluster_setup Deploying Oracle NoSQL Database on the Oracle Cloud Infrastructure deploy-nosql
examples-nosql-cluster-deployment Examples allowing you to learn how to deploy a NoSQL cluster/NoSQL store - the most popular topologies
examples-nosql-kvlocal example of Java Application embedding KVLocal
examples-nosql-java-direct-driver Examples using the nosql-java-direct-driver
examples-nosql-java-sdk Examples using the nosql-java-sdk
examples-nosql-node-sdk Examples using the nosql-node-sdk
examples-nosql-spring-sdk Examples using the nosql-spring-sdk
demo-livelab you can find the code used in our NoSQL LiveLabs workshops in this directory and more information here
demo-events The NoSQL team is delivering content in Webinars and Events around the world. You can also find the instructions for workshops showcased in NoSQL events and have more information here
SQL for Oracle NoSQL Database tutorial Getting started with SQL for Oracle NoSQL Database sql-for-nosql
terraform Provider for Oracle NoSQL Database tutorial This is a Terraform configuration that creates the NoSQL service on Oracle Cloud Infrastructure. nosql-cloud-devops

We also collected in this repository exciting content about How to use the Oracle NoSQL database with other OCI services - more information here. Source: Architecture Center Source: GitHub


NoSQL Developers 👨‍💻 👩‍💻

Tags: enhancement help wanted question idea show-and-tell

In the development world, practice makes the master. That is why you must find as many ways to practice as possible. Never stop learning.

We’ve enabled GitHub Discussions to provide a way for you to connect with other community members. We hope that you:

Ask questions.
Share ideas.
Engage with other community members.
Welcome others and are open-minded. Remember that this is a community we build together

Oracle NoSQL LiveLabs

NoSQL LiveLabs

Oracle LiveLabs gives you access to Oracle's tools and technologies to run a wide variety of labs and workshops.

In the development world, practice makes master. That is why you must find as many ways to practice as possible. Never stop learning. Follow our LiveLabs

Those labs were specialled designed for Application Developers, Architects, Administrators and DevOps Engineers.


In the directory demo-livelab you can find the code used in our NoSQL LiveLabs workshops.

  • demo-lab-nosql contains the code for Discover serverless apps using Oracle NoSQL Database Cloud Service — beginner level sql-for-nosql nosql-node-sdk

Oracle LiveLabs

Oracle LiveLabs gives you access to Oracle's tools and technologies to run a wide variety of labs and workshops.

Experience Oracle's best technology, live!

https://developer.oracle.com/livelabs

Oracle NoSQL Workshops and Examples

NoSQL Ideas

Oracle NoSQL Workshops

The NoSQL team is delivering content in Webinars and Events around the world.

You can find the code of workshops showcased in NoSQL events around the World (LiveLabs coming soon)

  • serverless-with-nosql-database contains the code for Discover serverless apps using Oracle NoSQL Database Cloud Service — intermediate level. Intermediate level LiveLab will feature functions sql-for-nosql nosql-node-sdk nosql-python-sdk oci-functions nosql-cloud-devops
  • demo-lab-baggage contains the code for Discover serverless apps using Oracle NoSQL Database Cloud Service — expert level. Advanced level Livelab will feature Streaming and API gateway sql-for-nosql nosql-node-sdk nosql-python-sdk oci-functions nosql-cloud-devops oci-streaming oci-api-gateway oci-connector-hub

You can find also the instructions of workshops showcased in NoSQL events

Deploying Oracle NoSQL Database on the Oracle Cloud Infrastructure

Tags: deploy-nosql

See this script that simplifies the installation of Oracle NoSQL Database on the Oracle Cloud Infrastructure (OCI). This script lets a user set up a small cluster (1-10 machines) quickly, for use in proof-of-concepts, small on premise installations, and cluster installations in cloud environments (OCI, AWS, Azure). It's easy to BYOL to the cloud environment of your choosing.

Read this whitepaper which explains how to easily install Oracle NoSQL Database on the Oracle Cloud Infrastructure (OCI).

Getting started with SQL for Oracle NoSQL Database

Tags: sql-for-nosql

Welcome to SQL for Oracle NoSQL Database tutorial.

The SQL for Oracle NoSQL Database data model supports flat relational data, hierarchical typed (schema-full) data, and schema-less JSON data. SQL for Oracle NoSQL Database is designed to handle all such data seamlessly without any impedance mismatch among the different sub-models. Impedance mismatch is the problem that occurs due to differences between the database model and the programming language model.

You have two different schemas ( with real-time scenarios) for learning various SQL concepts. These two schemas will include various data types that can be used in the Oracle NoSQL database.

Schema 1: BaggageInfo schema Using this schema you can handle a use case wherein passengers traveling on a flight can track the progress of their checked-in bags or luggage along the route to the final destination. This functionality can be made available as part of the airline's mobile application. Once the passenger logs into the mobile application, the ticket number or reservation code of the current flight is displayed on the screen. Passengers can use this information to search for their baggage information. The mobile application is using NoSQL Database to store all the data related to the baggage. In the backend, the mobile application logic performs SQL queries to retrieve the required data.

Schema 2: Streaming Media Service - Persistent User Profile Store Consider a TV streaming application. It streams various shows that are watched by customers across the globe. Every show has a number of seasons and every season has multiple episodes. You need a persistent meta-data store that keeps track of the current activity of the customers using the TV streaming application. Using this schema you can provide useful information to the customer such as episodes they watched, the watch time per episode, the total number of seasons of the show they watched, etc. The data is stored in the NoSQL Database and the application performs SQL queries to retrieve the required data and make it available to the user.

The scripts allowing to run this tutorial are hosted in this Repository ( AcctStreamSchema and BaggageSchema ) but follow the instructions provided in the SQL for Oracle NoSQL Database tutorial

Terraform Provider for Oracle Cloud Infrastructure

Tags: nosql-cloud-devops

The Oracle Cloud Infrastructure (OCI) provider allows you to use Terraform to interact with Oracle Cloud Infrastructure resources. Wherever you use a Terraform distribution you can use the OCI Terraform provider, including Terraform Cloud and the OCI Resource Manager.

https://github.com/oracle/terraform-provider-oci

This is a Terraform configuration that creates the NoSQL service on Oracle Cloud Infrastructure.

https://github.com/oracle/terraform-provider-oci/tree/master/examples/nosql

Cloud Learning

NoSQL Developers 👨‍💻 👩‍💻

Tags: nosql-java-sdk nosql-node-sdk nosql-dotnet-sdk nosql-go-sdk nosql-python-sdk nosql-spring-sdk nosql-cloud-devops oci-functions oci-oke and more

Learn how to Develop Applications Fast and Effortlessly using our resources and videos in the Cloud Learning page

https://www.oracle.com/database/nosql/#rc30-cloud-learning

Other Examples and Resources

NoSQL Ideas

Process media by using serverless job management and ephemeral compute workers

Source: Architecture Center

Tags: nosql-python-sdk oci-functions

Processing large media files can be a resource intensive operation requiring large compute shapes for timely and efficient processing. In scenarios where media processing requests might be ad-hoc and on-demand, leaving instances idle while waiting for new work is not cost effective.

By utilizing Oracle Cloud Infrastructure's (OCI) server-less capabilities, including OCI Functions and OCI NoSQL, we can quickly create a management system for processing media content using ephemeral OCI Compute workers.

https://docs.oracle.com/en/solutions/process-media-using-oci-services/index.html

Note: You can deploy this pattern using downloadable code or automated provisioning, as described in the Download or Deploy section in the link above.

oci wearable health app

Source: GitHub

Tags: nosql oci

The sample application is an IoT use-case, in which an application capturing health parameters running on a wearable device is sending health statistics to a device gateway (backend) hosted on OCI on regular intervals. The complete use-case can be split into 3 different parts:

  • On-boarding and Administration
  • Health data capturing & Real time Analytics
  • Batch Analytics

https://github.com/oracle-devrel/oci-wearable-health-app

Oracle Cloud Infrastructure Data Flow Samples

Source: GitHub

Tags: nosql-python-sdk oci-data flow

Oracle Cloud Infrastructure (OCI) Data Flow is a cloud-based serverless platform with a rich user interface. It allows Spark developers and data scientists to create, edit, and run Spark jobs at any scale without the need for clusters, an operations team, or highly specialized Spark knowledge. Being serverless means there is no infrastructure for you to deploy or manage. It is entirely driven by REST APIs, giving you easy integration with applications or workflows

Oracle NoSQL Database cloud service : This application shows how to interface with Oracle NoSQL Database cloud service.

https://github.com/oracle-samples/oracle-dataflow-samples/

Train and deploy models from massive data sets: fraud detection use case

Source: Architecture Center

As your business goes through digital transformation and increasingly accepts online payment, effective methods to detect and eventually prevent credit card fraud are necessary to avoid losses. Since fraud is expected to account for a small fraction of all transactions, massive amounts of data are typically needed to build a robust and accurate model capable of alerting of fraud with minimal false positives.

https://docs.oracle.com/en/solutions/models-credit-card-fraud-detection/index.html

Employ anomaly detection for managing assets and predictive maintenance

Source: Architecture Center

Anomaly detection is the identification of rare items, events, or observations in data that greatly differ from expectations. This has uses in many industries for asset monitoring and maintenance.

Anomaly Detection Service helps you detect anomalies in time series data without the need for statisticians or machine learning experts. It provides prebuilt algorithms, and it addresses data issues automatically. It is a cloud-native service accessible over REST APIs and can connect to many data sources. The OCI Console, CLI, and SDK make it easy for use in end-to-end solutions.

https://docs.oracle.com/en/solutions/anomaly-detection/index.html

Oracle Architecture Center

Reference architectures and best practices

Leverage knowledge from Oracle experts. Use our reference architectures, solution playbooks, and customer stories to build and deploy your cloud, hybrid, and on-premises workloads.

Explore Oracle Architecture Center

Contributing

This project welcomes contributions from the community. Before submitting a pull request, please review our contribution guide

Security

Please consult the security guide for our responsible security vulnerability disclosure process

License

Copyright (c) 2018, 2023 Oracle and/or its affiliates.

Released under the Universal Permissive License v1.0 as shown at https://oss.oracle.com/licenses/upl/.

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nosql-examples's Issues

Query Native with LIKE statement. Is it possible?

Hello,

Are there a way to use LIKE statement in Query Native?

I want do something like that:

@Query(value =
        "DECLARE " +
            "$idDocumento LONG; " +
            "$protocolo STRING; " +
            "$departamento STRING; " +
            "$status STRING; " +
            "$dataSolucao STRING; " +
            "$limit INTEGER; " +
            "$offset INTEGER; " +
        "SELECT * FROM DocumentoEntity AS d " +
        "WHERE " +
            "    ( $idDocumento  = 0  or d.idDocumento           = $idDocumento )" +
            "AND ( $protocolo    = '' or d.kv_json_.protocolo    = $protocolo )" +
            "AND ( $departamento = '' or d.kv_json_.departamento = $departamento )" +
            "AND ( $status       = '' or d.kv_json_.status       = $status )" +
            "AND ( $dataSolucao  = '' or d.kv_json_.dataSolucao  LIKE %$dataSolucao% )" +
        "LIMIT $limit OFFSET $offset", count = true
)
List<DocumentoEntity> findByQuery(
        @Param("$idDocumento") Long idDocumento,
        @Param("$protocolo") String protocolo,
        @Param("$departamento") String departamento,
        @Param("$status") String status,
        @Param("$dataSolucao") String dataSolucao,
        @Param("$limit") int limit,
        @Param("$offset") int offset
);

Not working with JRE 14

I can't finish cluster_setup with JRE 14.

Oracle NoSQL requires java version 8 or higher. The java installation on
130.61.185.178 is 14.

Fix description of repository

The description is "his is a top level repository for code examples related to the use of Oracle NoSQL Database.".

Should be "This is a top..."

HTTP Admin Console problems

Hi,

I tried to run a 2x2 test cluster on Windows 10 using oracle nosql with version 18.1.16.
I notice that respect previous versions the -admin arguments of makebootconfig script is no more required.
When I complete all the steps and I try to connect to the admin console at localhost:5001 I get the following error:

issue

Does anyone know the cause of this problem?
If I run the same scripts with a previous version (3.0.3) all things works perfectly.

I am attaching the most important file of my configuration.

Thank you.
Marco

scripts.zip

missing file

In the file scripts/resetEnv.sh line 12:

source /etc/profile.d/kvhost.sh

The file does not exist in your repo.

Could you please upload it and change the path?

Oracle Linux 8 - iptables error

Have this program modify firewall settings? (y/n) [n]: y

Setting up firewall rules for ports 5000-5039 on X.X.X.X...
success
Error: COMMAND_FAILED: '/usr/sbin/iptables -w10 -I INPUT_ZONES_SOURCE -p tcp --dport 5000:5039 -s 10.0.0.0/24 -m conntrack --ctstate NEW,ESTABLISHED -j ACCEPT' failed: iptables: No chain/target/match by that name.

Setting up firewall rules for ports 5000-5039 on X.X.X.X...
success
Error: COMMAND_FAILED: '/usr/sbin/iptables -w10 -I INPUT_ZONES_SOURCE -p tcp --dport 5000:5039 -s 10.0.0.0/24 -m conntrack --ctstate NEW,ESTABLISHED -j ACCEPT' failed: iptables: No chain/target/match by that name.

I am not able to run Email example

When I try to run createTables.sh, I have got an error:
Error: Could not find or load main class com.oracle.email.init.CreateSchema.

The instruction doesn't mention compiling java files. Am I missing something?

Thank you in advance for your help.

Improve Handling of `IN` Condition with JSON Data

I encountered an issue using the IN condition in SQL queries with JSON data in our database. The problem arises when the JSON field is compared to an array using the IN operator. Currently, it requires explicit declaration of the array with [], and if not done correctly, it leads to a type mismatch error.

  • Table Structure:
    CREATE TABLE if not exists database (id STRING, entity STRING, content JSON, primary key (id))
  • Sample JSON Data Inserted:
    {"name":"Lucas","location":"BR","type":"V","age":22,"entity":"person"}

Current Query:

select * from database WHERE database.entity= 'person' AND   database.content.location  IN  ?[]  AND  database.content.type  =  ?

Issue Description:
When using the IN condition in the provided query, it is required to declare the variable as an array using explicitly ?[]. Without this declaration, a type mismatch error occurs. This behavior differs from other NoSQL databases and Java drivers, where the system intelligently handles the array comparison without explicit declaration.

Suggested Enhancement:

I suggest enhancing the database system to recognize when the value being compared against automatically is an array and handle it without the need for explicit declaration or conversion. It would improve the developer experience and align the behavior with industry standards and user expectations.

Expected Behavior:

-- The enhanced query behavior should allow the following query without explicit array declaration.
select * from database WHERE database.entity= 'person' AND   database.content.location  IN  ? AND  database.content.type  =  ?

Impact:
This enhancement would make working with JSON data in the database more user-friendly and improve the developer experience.

How to declare multiple variables?

I am trying to do basic query.

My query is this as a preparedStatement:

'SELECT id, username, email, password FROM users WHERE username=$username AND password=$password'

I am trying to declare double variables. (https://docs.oracle.com/en/database/other-databases/nosql-database/19.5/sqlreferencefornosql/variable-declarations.html)

I am getting error when i declare like that:

DECLARE $username STRING;
DECLARE $password STRING;

in SELECT statement.

I also tried DECLARE $username,$password STRING;

"message": "[ILLEGAL_ARGUMENT] PREPARE: Illegal Argument: Error: at (1, 26) no viable alternative at input 'DECLARE$usernameSTRING;DECLARE', at line 1:26\nrule stack: [parse, statement]"

Plan 14 Ended with Errors

cluster_setup.sh

Oracle Linux 7 and 8. Single Node Installation. No cluster no replicates.

Executed plan 14, waiting for completion...

Plan 14 ended with errors. Use "show plan -id 14" for more information

Topology setup failed. It may be possible to get more information by
running /opt/oracle/nosql/kvstore/scripts/kvstore_admin.sh on X.X.X.X

I don't know what plan 14 is and i don't know how to get show plan -id 14.
Is it OK to continue?

HTTP Proxy did not start on [IP]

I am getting, HTTP Proxy did not start on X.X.X.X

Here is the log file:
Error: Unable to access jarfile /opt/oracle/nosql/proxy/lib/httpproxy.jar

Oracle Linux 8, running on Oracle Cloud.

Single node installation on same machine.

[Documentation] Add Step-by-Step Tutorial and Enhance Code Structure

I've compared our NoSQL database SDK with others like Cassandra and MongoDB, and I believe we can improve our user experience. Here are the specific changes I'd like to propose:

1. Step-by-Step Tutorial:

  • We need a comprehensive, step-by-step tutorial for newcomers who want to use your SDK. This Tutorial should include simple, easy-to-follow steps to achieve specific goals. For instance, a tutorial to set up and use our SDK with Docker might look like this:

    • Check if you have Docker installed and running.
    • Run the following command to start Oracle NoSQL: [Provide the command here]
    • Configure your environment settings.
    • Create a sample class or script to interact with our SDK.

2. Exploring Multiple Sessions:

  • Currently, our SDK relies on a single, monolithic class for operations. It would be more user-friendly to break this down into multiple sessions or classes for each operation. This way, users can focus on their needed functionality without getting overwhelmed.

References:

Please prioritize these improvements to enhance the user experience for newcomers and make our SDK more competitive in the NoSQL database market.

[Documentation] Clarification on Querying JSON Values and Indexing

I am seeking clarification on how to query JSON values in Oracle NoSQL Database and whether indexing is mandatory for such queries. The documentation provides indexing information but needs more clarity on the essential details for querying JSON values.

I have read the documentation and explored a sample JSON document as provided below:

{
    "account": 1,
    "person": {
        "lastName": "Jones",
        "firstName": "Joe",
        "address": {
            "home": {
                "street": "15 Elm",
                "city": "Lakeville",
                "zip": "12345"
            },
            "work": {
                "street": "12 Main",
                "city": "Lakeville",
                "zip": "12345"
            }
        },
        "phone": {
            "home": "800-555-1234",
            "work": "877-123-4567"
        }
    }
}

I have attempted various queries, including the one below, without success:

select * from database WHERE 'person.lastName' = 'Jones'

Please provide clear guidance on how to query JSON values in the Oracle NoSQL Database and clarify whether indexing is mandatory for such queries. Any examples or code snippets illustrating the correct usage would be greatly appreciated.

[Documentation] Integration with TestContainer

Hello, how are you?

Could you enhance the documentation and create a tutorial explaining how to test the Oracle NoSQL database with TestConateiner?

I know that we can use GenericContainer, but could you explain it more as documentation?

Facing service unavailable error while implementing load balanced architecture

KV Version : 22.2.13
Node driver Version : 5.3.4

I am using Oracle NoSQL Database for one of the project. I have configured the proxy server and the communication between DB and Application is established.

 

I created 4 instances of proxy to enable load balanced architecture and also configured the HAproxy to distribute load to the four proxy servers.

 

When I am trying to make NoSQL client with nodeJS driver it is throwing an error message stating "Service Unavailable"(HTTP_RESPONSE_CODE 503).

 

Kindly help in this regard.

 

And also suggest if there is any other way to implement load balanced architecture in Oracle NoSQL Database (on-prem).

[Documentation] Enhance Documentation for Querying Multiple Parameters in Java API

I use the Oracle NoSQL Database and perform queries with multiple parameters using the Java API. However, I have encountered some issues with the provided code snippets in the documentation.

Problem:
The Oracle NoSQL Database documentation suggests using the following code snippet to prepare and execute a query with multiple parameters:

var oracleQuery = "";
PrepareRequest prepReq = new PrepareRequest().setStatement(oracleQuery);
PrepareResult prepRes = serviceHandle.prepare(prepReq);
PreparedStatement preparedStatement = prepRes.getPreparedStatement();
for (Map.Entry<String, FieldValue> entry : oracleQuery.params().entrySet()) {
    preparedStatement.setVariable(entry.getKey(), entry.getValue());
}

When attempting to use this code with the following query:

DECLARE $age INTEGER, $type STRING;  select * from database WHERE database.entity= 'person' AND   database.content.age  > $age AND  database.content.type  = $type LIMIT 1

Issue 1:
The code throws an exception: java.lang.IllegalArgumentException: PREPARE: Illegal Argument: Error: at (1, 20) no viable alternative at input 'DECLARE$ageINTEGER,', at line 1:20.

Issue 2:
When I modify the query to:

DECLARE $age INTEGER; DECLARE $type STRING;  select * from database WHERE database.entity= 'person' AND   database.content.age  > $age AND  database.content.type  = $type LIMIT 1

The code throws another exception: java.lang.IllegalArgumentException: PREPARE: Illegal Argument: Error: at (1, 30) missing '(' at '$type', at line 1:30.

Request:
I request the Oracle NoSQL Database documentation team to provide more detailed and accurate examples of performing queries with multiple parameters using the Java API. Specifically addressing the issues mentioned above and ensuring that the code snippets align with the syntax and usage of the Oracle NoSQL Database.

Documentation Reference:
The reference used for this query is: Oracle NoSQL Database Documentation

The table structure

CREATE TABLE if not exists database (id STRING, entity STRING, content JSON, primary key (id))

I appreciate your assistance in improving the documentation to make it more user-friendly and accurate. Thank you!

Error running demo-graphql-nosql-spring

When running /nosql-examples/examples-nosql-spring-sdk/demo-graphql-nosql-spring, I have the following error

[INFO] -------------------------------------------------------------
[ERROR] COMPILATION ERROR :
[INFO] -------------------------------------------------------------
[ERROR] /home/opc/nosql-examples/examples-nosql-spring-sdk/demo-graphql-nosql-spring/demo-graphql-nosql-spring/src/main/java/graphql/AuthorRepository.java:[1,16] ';' expected
[INFO] 1 error
[INFO] -------------------------------------------------------------
[INFO] ------------------------------------------------------------------------
[INFO] BUILD FAILURE
[INFO] ------------------------------------------------------------------------
[INFO] Total time:  1.931 s
[INFO] Finished at: 2022-11-22T18:27:07Z
[INFO] ------------------------------------------------------------------------
[ERROR] Failed to execute goal org.apache.maven.plugins:maven-compiler-plugin:3.8.1:compile (default-compile) on project demo: Compilation failure
[ERROR] /home/opc/nosql-examples/examples-nosql-spring-sdk/demo-graphql-nosql-spring/demo-graphql-nosql-spring/src/main/java/graphql/AuthorRepository.java:[1,16] ';' expected
[ERROR]
[ERROR] -> [Help 1]
[ERROR]
[ERROR] To see the full stack trace of the errors, re-run Maven with the -e switch.
[ERROR] Re-run Maven using the -X switch to enable full debug logging.
[ERROR]
[ERROR] For more information about the errors and possible solutions, please read the following articles:
[ERROR] [Help 1] http://cwiki.apache.org/confluence/display/MAVEN/MojoFailureException

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