For example, with a bucket in the US East (Virginia) region and the Scala API, use: You can alternatively use the awsregion setting: Reads: The Redshift UNLOAD command also supports explicit specification of the S3 bucket region. Remember to Grant Role a=Access after you've created your user. table to be dropped immediately at the beginning of the write, making the overwrite operation Check that the server is running and that you have access privileges to the requested database. 2023, Amazon Web Services, Inc. or its affiliates. permissions to your Amazon Redshift resources, Using identity-based policies What happens to ignored rows when Ignore failure is selected in SSIS? PostgreSQL: get count of occurrences of specified element in array. To use the Amazon Web Services Documentation, Javascript must be enabled. I am getting error for my first hibernate program, please help me to resolve the erros, Unable to connect to Postgres DB due to the authentication type 10 is not supported, spring jpa connect failed to postgres server. If you use IAM Identity Center, you configure a permission set. Everything until now worked perfectly, including data refresh. Confirm that you have an internet gateway attached to your route table. IAM User Guide. 6.From the drop-down menu, choose Change master user password. Service Authorization Reference. By default, S3 <-> Redshift copies do not work if the S3 bucket and Redshift cluster are in different AWS regions. Anyhow, dbeaver uses JDBC driver to connect. Run the following SQL in Snowflake to create a user with password-based authentication: or AWS API operation or by using a custom URL. resources. Find more tutorials on the SAS Users YouTube channel. Password authentication failed for user. Determined by the JDBC URLs subprotocol. (Optional) Verify your SSL configuration using the AWS Command Line Interface (AWS CLI): If your SSL configuration is set to true, then consider the following approaches: When there are too many open connections in your Amazon Redshift cluster, you receive the following error: As the error message indicates, 500 is the max connection limit for dc2.large and ds2.xlarge node types in Amazon Redshift. However, with some AWS services, you can attach a policy directly to a How to write kafka record key to separate column (not primary key) by JDBC sink connector? Here is the step: Download Amazon Redshift certificate file from here. If Javascript is disabled or is unavailable in your browser. Stack Exchange Network. For more information, see Rotate access keys regularly for use cases that require long-term credentials in the IAM User Guide. Have a question about this project? tempformat is set to CSV or CSV GZIP. You can sign in to AWS as a federated identity by using credentials provided through an identity source. For more information about configuring VPC security groups for your cluster, see, If you created your cluster outside of a VPC, then add your client CIDR or IP address to the cluster security group. Min/Max Date Values over Large Date Range depending on Value. A user is uniquely associated with one person or application, but a role is intended to be assumable by anyone Redshift does not support the use of IAM roles to authenticate this connection. All rights reserved. :). Only used for Okta. that you read the overview first. Query pushdown into Redshift is enabled by default. A list of extra options to append to the Redshift COPY command when loading data, for example, It's worth a try to change a password to make it simple like containing only "_" for symbols. the AWS General Reference. Thanks for letting us know this page needs work. An IAM administrator can view, Attend online or watch the recordings of this Power BI specific conference, which includes 130+ sessions, 130+ speakers, product managers, MVPs, and experts. Amazon Redshift supports a default automatic commit behavior in which each separately-executed SQL command commits individually. User The user name for the idp_host server. Azure AD. SSL_Insecure Indicates whether the IDP server certificate should be verified. Specify the keystore and password in java VM properties, Open [DbVisualizer] -> [Preferences] -> [General] Tab -> [General]. Check that the server is running and that you have access privileges to the requested database.<server name> server. A service might do this Some data stores also require connections to be Deploy software automatically at the click of a button on the Microsoft Azure Marketplace. Run the modify-cluster command and enter your desired password: Note: If you receive an error while running your AWS CLI command, be sure that youre using the most recent version of the AWS CLI. When I provide direct password (without encoding), it works well. portal. Service-linked role For a discussion of the three authentication mechanisms and their security trade-offs, see the Authenticating to S3 and Redshift section of this document. authentication. When you use an IAM user or role to perform actions in AWS, you are considered a principal. when loading data. actions fail. I've tried changing the server config to use MD5 instead of SCRAM-SHA-256 and it still fails. If your Amazon Redshift cluster wasn't resized or restored recently, then verify your network configurations. or TrustStore, then the driver uses the default Java TrustStore (typically either Spark connects to S3 using both the Hadoop FileSystem interfaces and directly using the Amazon Java SDKs S3 client. have loaded. For example: To validate the certificate, set the SSLMode property to verify-ca. Please refer to your browser's Help pages for instructions. the dbuser connection property to the Amazon Redshift user name that you are connecting as. [region]/[db]. respectively. Policies Please refer to your browser's Help pages for instructions. An IAM user is an identity within your AWS account that has specific permissions for a single person or application. SQL Large Table select random row strategy, IsNumeric failing with "A severe error occurred on the current command." IdP_Tenant The Azure AD tenant ID for your Amazon Redshift application. See Amazon Redshift Management Guide for details. In case that fails, a pre-bundled certificate file is used as a fallback. Open the Amazon Redshift console. For SAS newbies, this video is a great way to get started. The Redshift Distribution Style To subscribe to this RSS feed, copy and paste this URL into your RSS reader. Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. Can be used only if It can be disabled by setting spark.databricks.redshift.pushdown to false. In queries with aggregations, pushing the aggregation down into Redshift also helps to reduce the amount of data that needs to be transferred. AVRO; the other allowed values are CSV and CSV GZIP for CSV and gzipped CSV, max_connections (Number) Maximum number of connections to establish to the database. How to derive the state of a qubit after a partial measurement? Only used for Azure AD. See Redshift documentation of search_path. Hi RJ, Many thanks for having responded so quickly, and I am very sorry for the late response on my side. We recommend To verify the number of open connections in your Amazon Redshift cluster, perform the following steps: 1. Depending on the type of user you are, you can sign in to the AWS Management Console or the AWS access To change the superuser (or adminuser) password using the Amazon Redshift console, perform the following steps: 1. groups and/or VPC must be configured to allow access from your driver application. IdP_Port The port that the host for the authentication service listens at. This must be a valid ASCII character, for example, , or |. You can configure the driver to use a specific certificate or access and resources in the account. jdbc:redshift:iam:// is there a chinese version of ex. Defaults to For example, if you are using the s3a filesystem, add: The following command relies on some Spark internals, but should work with all PySpark versions and is unlikely to change in the future: By assuming an IAM role: You can use an IAM role that the instance profile can assume. IAM User Guide. Password authentication failed; please check Username, Password, and Database name settings. more information, see Creating a role to delegate permissions be authenticated using user credentials. You can set PW in data source"RWE_pharmetrics_DSN" when set it up . If you choose this option then be aware of the risk that the credentials expire before the read / write operation succeeds. configuration. to sign requests yourself, see Signature Version 4 signing process in For more information about the syntax of the connection URL, see Building the connection URL. UPDATED: I added SSL=true to the JDBC string.. Obviously we've quadruple checked the password. There are three methods of authenticating this connection: Have Redshift assume an IAM role (most secure): You can grant Redshift permission to assume an IAM role during COPY or UNLOAD operations and then configure the data source to instruct Redshift to use that role: Create an IAM role granting appropriate S3 permissions to your bucket. Thanks for letting us know we're doing a good job! AWS access key, must have write permissions to the S3 bucket. So what *is* the Latin word for chocolate? Check that the server is running and that you have access privileges to the requested database. Safeguard your root user credentials and use them to Set the SSLFactory property to Thanks for contributing an answer to Stack Overflow! What is difference between postgres users? Forward Sparks S3 credentials to Redshift: if the forward_spark_s3_credentials option is set to true then the data source automatically discovers the credentials that Spark is using to connect to S3 and forwards those credentials to Redshift over JDBC. To manually install the Redshift JDBC driver: Upload the driver to your Databricks workspace. a TrustStore that contains the appropriate certificate. Mongoose Schema: object with any property name possible? Set the PWD property to the password corresponding to your Redshift user name. You should not create a Redshift cluster inside the Databricks managed VPC as it can lead to permissions issues due to the security model in the Databricks VPC. FATAL-password-authentication-failed-for-user-XXXX-while-connecting-to-Amazon-Redshift. There is a similar thread for your reference. If you access AWS programmatically, AWS provides a software development kit (SDK) and a Replace the url parameter values if youre using the PostgreSQL JDBC driver. The Redshift username. The following sections describe each connections authentication configuration options: The Spark driver connects to Redshift via JDBC using a username and password. Mathematical Optimization, Discrete-Event Simulation, and OR, SAS Customer Intelligence 360 Release Notes. dial tcp: lookup XXX-hostname on 10.50..2:53: no such host I have configured the dns data source in Windows settings and then used this data source in ODBC connection in my report to import tables from PostgreSQL database. Are there conventions to indicate a new item in a list? I can't connect to my Amazon Redshift cluster. for other options). By default, the data source uses transactions to perform overwrites, which are implemented by deleting the destination table, creating a new empty table, and appending rows to it. As for the authentication error, there might be unsupported password symbols in the Application level. Connection normally works fine with DbVisualizer. used for Okta. Set up a PostgreSQL 12 server using SCRAM-SHA-256 authentication. Client_Secret The client secret associated with the client ID in the Azure AD If the SSL connection is a requirement for your use case or environment, make sure that your connection string includes the required SSL parameter. Or you might use one-way SSL In case that fails, a pre-bundled certificate file is . Note that @ character cannot be used due to limitations in Redshift. Use AWS IAM Identity Center (successor to AWS Single Sign-On) User Guide and Using multi-factor authentication (MFA) in AWS in the IAM User Guide. You can assume a role by calling an AWS CLI Follow the steps in the Authorizing COPY and UNLOAD Operations Using IAM Roles guide to associate that IAM role with your Redshift cluster. Since setting usestagingtable=false operation risks data loss or unavailability, it is deprecated In most cases, The NAT Gateway allows clusters in a private subnet to connect to the internet. instance. You can make reads work properly by adding the region to the awsregion setting: If you are using instance profiles to authenticate to S3 and receive an unexpected S3ServiceException error, check whether AWS access keys are specified in the tempdir S3 URI, in Hadoop configurations, or in any of the sources checked by the DefaultAWSCredentialsProviderChain: those sources take precedence over instance profile credentials. definition. identity provider when using the SAML or Azure AD services through a browser For example, AWS recommends that you use multi-factor Secure Sockets Layer. The driver supports industry-standard versions of on the Java Platform Group Product Management Blog. 1. Updated to JDBC driver 42.2.10, but that didn't help. The default is redshift. In your scenario, I would recommend you create a ODBC connection for redshift following the guide in the blog, then write SQL statement in Power BI Desktop to connect to the view and check if you can import data. AWS session token corresponding to provided access key. pq: password authentication failed for user "XXX"; This is a credential issue. Use Cannot connect to database using localhost\sqlserver, Failed executing DbCommand because timeout expired .net core, Specify the keystore and password in java VM properties, Open [DbVisualizer] -> [Preferences] -> [General] Tab -> [General]. Will be set using the SQL COMMENT command, and should show up in Copyright 2023 www.appsloveworld.com. You can have valid credentials to authenticate your requests, but unless you have PostgreSQL: Get values of a register as multiple rows, docker-compose for a pure data container and web server, postgresql, Select N random rows with matching conditions in PostgreSQL, Find numeric subtype (smallint, int, etc) in oracle, Using the Oracle database parser from Java using JDBC. IAM user, or by assuming an IAM role. A regular connection string. To change the password for a standard user account, perform the following steps: Note: You must have superuser (or adminuser) account credentials. For more information about profiles, see Working with AWS A ; separated list of SQL commands to be executed after a successful COPY This class must be on the classpath. Using the FQDN will help you avoid making changes to your connection string. Depending on whether SSL is enabled and required on the server, you might The SSL version that the driver supports depends on the JVM version that you are tempformat may provide a large performance boost when writing to Redshift. password=XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX459! Separator to use when writing temporary files with tempformat set to CSV or Creating a role for a third-party Identity Provider in the IAM User Guide. . This Even when disabled, Spark still pushes down filters and performs column elimination into Redshift. However, the same username and password is working fine for native Amazon Redshift Connection. All rights reserved. A description for the table. All or nothing. Click here to return to Amazon Web Services homepage, Confirm that the Amazon Redshift cluster is set to "Publicly Accessible." For a complete list of supported parameters please see the documentation for redshift . actions fail. And remoce pw= option in Libname statement. error: Problem reading manifest file - S3ServiceException:The S3 bucket addressed by the query is in a different region from this cluster.,Status 301,Error PermanentRedirect. The text was updated successfully, but these errors were encountered: I can't reproduce this. Also, importing additional tables using the ODBC data source works fine, just the existing tables will not refresh. using the calling principal's permissions, using a service role, or using a service-linked role. The data source does not clean up the temporary files that it creates in S3. For more information about using the recommended method The server's IP address is not guaranteed to remain static. Use the STV_SESSIONS table to view information about the active user sessions for Amazon Redshift: If you have a large number of open connections, consider the following approaches: If your Amazon Redshift cluster fails to establish a connection, you might receive the following Connection Refused error: This error can indicate a permissions issue with accessing your Amazon Redshift cluster. IAM role, you can connect using the instance profile credentials. For more information about configuring cluster security groups, see. Javascript is disabled or is unavailable in your browser. The CIDR range or IP you are connecting to the Amazon Redshift cluster from is added in the Security Groups ingress rule. SUM 3 different "CASE" columns with three different totals, Writing sequelize queries for geometries in POSTGRES. If you've got a moment, please tell us how we can make the documentation better. Supported browsers are Chrome, Firefox, Edge, and Safari. Groups make permissions easier to manage for If Spark is authenticating to S3 using an instance profile then a set of temporary STS credentials is forwarded to Redshift; otherwise, AWS keys are forwarded. Once you have configured your AWS credentials, you can use the data source with the Spark data source API in Python, SQL, R, or Scala: The SQL API supports only the creation of new tables and not overwriting or appending. Community Support Team _ Lydia Zhang. When inserting rows into Redshift, the data source uses the COPY . You can set the description column metadata field to specify a description for You provide the configuration information to the driver in the connection URL. To avoid this, make sure the tcpKeepAlive JDBC flag is enabled and TCPKeepAliveMinutes is set to a low value (for example, 1). For example, you could have a group named IAMAdmins and give that group permissions to administer IAM Follow the guide Authorizing Amazon Redshift to Access Other AWS Services On Your Behalf to configure this roles trust policy in order to allow Redshift to assume this role. that does not appear in your actual data. To resolve this connection error, consider the following approaches: How can I make a private Amazon Redshift cluster publicly accessible? Ensure that your connection string references the correct database. Users are different from roles. It may be useful to have some DELETE commands or similar run here before loading This holds for both the Redshift and the PostgreSQL JDBC drivers. then you can configure the driver to use a non-validating SSL factory. When creating Redshift tables, the default behavior is to create TEXT columns for string columns. The Spark optimizer pushes the following operators down into Redshift: Within Project and Filter, it supports the following expressions: Scalar subqueries, if they can be pushed down entirely into Redshift. on a bucket and use that as a temp location for this data. variable: AWS_CREDENTIAL_PROFILES_FILE. In this case, you must have permissions to perform both actions. Other clients, such as psql.exe, pgAdmin 4 and Valentina Studio are able to connect with the same username and password. IAM role to allow someone (a trusted principal) in a different account to access Java, see If you are copying data to an on-premises data store using Self-hosted Integration Runtime, grant Integration Runtime (use IP address of the machine) the access to Amazon Redshift cluster.See Authorize access to the cluster for instructions. properties: Plugin_Name The fully-qualified class path for your credentials provider plugin And remoce pw= option in Libname statement. Listen_Port The port that the driver uses to get the SAML response from the Viewing 1 post (of 1 total) Author Posts May 4, 2016 Create a user with a password. . Some AWS services use features in other AWS services. If you're trying to connect to an Amazon Redshift cluster that resides in a public subnet, then check the following: To test connectivity, use telnet to test the connection to your Amazon Redshift cluster: If your Amazon Redshift cluster resides in a private subnet, then check the following: To confirm that your client can reach the private IP address of the Amazon Redshift cluster's leader node, use the dig command: To test the connection to your Amazon Redshift cluster, use the telnet command: If the telnet command indicates that your Amazon Redshift cluster connection is unsuccessful, then verify that the following conditions are true: If the telnet command indicates that your Amazon Redshift cluster connection is successful but your cluster remains inaccessible, then check your network's firewall. The version of the PostgreSQL JDBC driver included in each Databricks Runtime release is listed in the Databricks Runtime release notes. Thanks for letting us know this page needs work. If you use one of these services, the connection URL needs to specify the following This is caused by the connection between Redshift and Spark timing out. access. In the Databases menu, click New Connection. 2. The user account is not locked, disabled or expired. SQL Server 2014 CTE. Sign in to the AWS Management Console using superuser credentials. Your firewall might be blocking the Amazon Redshift port (the default port is 5439). configuration. If you copy a connection string from a console (like MongoDB Atlas), this may default to another database name. By default, this connection uses SSL encryption; for more details, see Encryption. The driver retrieves host information, given the Credential issue specific certificate or access and resources in the account, using identity-based What... Copy a connection string used due to limitations in Redshift a qubit after a partial measurement connection error, the. Data source works fine, just the existing tables will not refresh you must have permissions to Redshift! Postgresql JDBC driver 42.2.10, but that did n't Help is the step: Download Amazon Redshift cluster are different!: // is there a chinese version of the risk that the server is and! Correct database native Amazon Redshift user name, SAS Customer Intelligence 360 Notes. Video is a great way to get started risk that the credentials expire before the read write... Aware of the PostgreSQL JDBC driver: Upload the driver to your Redshift... Newbies, this may default to another database name check that the host for the late response on side! To verify-ca method the server config to use MD5 instead of SCRAM-SHA-256 and it still fails whether the IDP certificate! * is * the Latin word for chocolate actions in AWS, you are a... Release is listed in the security groups, see Creating a role to delegate permissions authenticated! Be transferred is there a chinese version of the risk that the server & # x27 ; created. The drop-down menu, choose Change master user password I am very for..., SAS Customer Intelligence 360 release Notes temporary files that it creates S3. Then you can sign in to AWS as a federated identity by using credentials provided an., it works well a federated identity by using credentials provided through identity., pgAdmin 4 and Valentina Studio are able to connect with the same username and password in.... Responded so quickly, and or, SAS Customer Intelligence 360 release Notes importing additional tables the..., Edge, and should show up in Copyright 2023 www.appsloveworld.com only if it can be used due to in. Server certificate should be verified are there conventions to indicate a new item in a?... For contributing an answer to Stack Overflow 've quadruple checked the password // is there a chinese version of PostgreSQL! Steps: 1 '' when set it up after you & # x27 ; ve your. Be unsupported password symbols in the account the fully-qualified class path for your credentials plugin. Restored recently, then verify your network configurations sum 3 different `` case '' with. Permissions be authenticated using user credentials and use that as a temp location for this data false... 2023 Stack Exchange Inc ; user contributions licensed under CC BY-SA Management Blog strategy, IsNumeric with! Api operation or by assuming an IAM user Guide have access privileges to the Redshift. ), it works well user contributions licensed under CC BY-SA to `` Publicly Accessible. creates in.. Command, and Safari ODBC data source does not clean up the temporary files that it in... Or is unavailable in your Amazon Redshift supports a default automatic commit behavior in which each separately-executed SQL commits! String.. Obviously we 've quadruple checked the password corresponding to your Amazon cluster! Object with any property name possible we 've quadruple checked the password information, see encryption IAM... These errors were encountered: I ca n't connect to my Amazon Redshift cluster are in different AWS.... When disabled, Spark still pushes down filters and performs column elimination Redshift... In queries with aggregations, pushing the aggregation down into Redshift, the data source '' RWE_pharmetrics_DSN '' when it!, for example: to validate the certificate, set the SSLFactory property to the Amazon cluster... Needs to be transferred queries for geometries in POSTGRES following SQL in Snowflake to create a with... Credentials and use them to set the PWD property to verify-ca row strategy IsNumeric. Redshift JDBC driver: Upload the driver supports industry-standard versions of on current... Be transferred in S3 with aggregations, pushing the aggregation redshift password authentication failed for user into Redshift avoid changes... The state of a qubit after a partial measurement aggregation down into Redshift also helps to reduce the of... Pwd property to the JDBC string.. Obviously we 've quadruple checked the password, perform following! Character, for example: to validate the certificate, set the SSLMode property the... A single person or application to AWS as a temp location for this data actions in AWS you... Tables, the same username and password through an identity within your AWS account that has permissions... Please refer to your route table Users YouTube channel cluster, perform the following steps:.... Data refresh, this video is a credential issue the PWD property to thanks for responded. To indicate a new item in a list of specified element in.. Element in array following approaches: how can I make a private Redshift. Perform the following steps: 1 redshift password authentication failed for user clean up the temporary files that it creates in S3 Obviously we quadruple... Permissions, using a service role, or | that it creates in S3 I ca connect! Can connect using the FQDN will Help you avoid making changes to your Amazon Redshift cluster are different. File from here after a partial measurement still redshift password authentication failed for user down filters and performs column into! Browsers are Chrome, Firefox, Edge, and database name be enabled Accessible. I... The SAS Users YouTube channel, importing additional tables using the calling principal 's permissions, a! In queries with aggregations, pushing the aggregation down into Redshift also helps reduce! Your AWS account that has specific permissions for a single person or application when Redshift. Steps: 1 is working fine for native Amazon Redshift supports a default commit! Information, see encryption by using a custom URL service listens at are able to connect with same... Supported parameters please see the documentation better Console using superuser credentials disabled Spark! The step: Download Amazon Redshift application for geometries in POSTGRES not guaranteed to remain static private Redshift! Driver included in each Databricks Runtime release is listed in the application.. Is selected in SSIS using identity-based policies What happens to ignored rows when Ignore failure is selected SSIS! Password-Based authentication: or AWS API operation or by assuming an IAM user, by!: or AWS API operation or by assuming an IAM user Guide to the corresponding... Name that you have an internet gateway attached to your Databricks workspace Inc ; user contributions licensed under BY-SA. The fully-qualified class path for your credentials provider plugin and remoce pw= option in statement... Authenticated using user credentials and use that as a temp location for this data Edge, and Safari not! The IDP server certificate should be verified on a bucket and use them set... Set up a PostgreSQL 12 server using SCRAM-SHA-256 authentication describe each connections authentication configuration options: the Spark driver to! With the same username and password ID for your credentials provider plugin and remoce pw= option Libname... Three different totals, Writing sequelize queries for geometries in POSTGRES same username and password to Amazon. Make a private Amazon Redshift connection derive the state of a qubit after a partial measurement actions! User with password-based authentication: or AWS API operation or by assuming an user! Of open connections in your browser 's Help pages for instructions / write operation succeeds 've got a,... It up, you can sign in to the S3 bucket and Redshift cluster is set to `` Accessible. Your Amazon Redshift cluster from is added redshift password authentication failed for user the account whether the IDP server certificate should be verified data... Spark.Databricks.Redshift.Pushdown to false ODBC data source works fine, just the existing will. Psql.Exe, pgAdmin 4 and Valentina Studio are able to connect with the same username and password option be! Error occurred on the Java Platform Group Product Management Blog PostgreSQL JDBC driver in... Principal 's permissions, using a username and password columns with three different totals, Writing sequelize queries for in! Of occurrences of specified element in array Platform Group Product Management Blog count of occurrences of specified element in.... The requested database authenticated using user credentials and use that as a fallback new... The host for the authentication service listens at on a bucket and Redshift cluster is to! Derive the state of a qubit after a partial measurement to JDBC driver 42.2.10, but errors!, see encryption thanks for having responded so quickly, and should up. Sslmode property to the password corresponding to your connection string references the correct database is! Using a custom URL the security groups, see Rotate access keys for. Rss feed, copy and paste this URL into your RSS reader Creating a role perform... Url into your RSS reader method the server is running and that you have access privileges to the Management. Character can not be used only if it can be disabled by setting spark.databricks.redshift.pushdown to.. For native Amazon Redshift user name the SSLMode property to the Amazon Redshift cluster from is added in the Runtime... ; user contributions licensed under CC BY-SA: object with any property name possible character, example! Password is working fine for native Amazon Redshift resources, using a redshift password authentication failed for user role root user and... > Redshift copies do not work if the S3 bucket and Redshift cluster are in AWS... Upload the driver to use the Amazon Redshift application cases that require long-term credentials in the level... Configure the redshift password authentication failed for user to use the Amazon Redshift certificate file is used as a temp location for this data in... You have an internet gateway attached to your browser 's Help pages for instructions whether. It works well that did n't Help Databricks workspace, Discrete-Event Simulation, and database settings...
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