> For the complete documentation index, see [llms.txt](https://docs.collibra.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.collibra.com/data-quality-self-hosted/core-concepts.md).

# Core concepts

- [Overview: Data Quality & Observability (self-hosted) core concepts](https://docs.collibra.com/data-quality-self-hosted/core-concepts/overview-data-quality-observability-self-hosted-core-concepts.md)
- [Navigation](https://docs.collibra.com/data-quality-self-hosted/core-concepts/navigation.md)
- [Exploring the Metadata Bar](https://docs.collibra.com/data-quality-self-hosted/core-concepts/navigation/exploring-the-metadata-bar.md)
- [Dataset Overview](https://docs.collibra.com/data-quality-self-hosted/core-concepts/navigation/dataset-overview.md)
- [SQL Assistant for Data Quality](https://docs.collibra.com/data-quality-self-hosted/core-concepts/navigation/dataset-overview/sql-assistant-for-data-quality.md)
- [About SQL Assistant for Data Quality](https://docs.collibra.com/data-quality-self-hosted/core-concepts/navigation/dataset-overview/sql-assistant-for-data-quality/about-sql-assistant-for-data-quality.md)
- [Create a SQL query with SQL Assistant for Data Quality](https://docs.collibra.com/data-quality-self-hosted/core-concepts/navigation/dataset-overview/sql-assistant-for-data-quality/create-a-sql-query-with-sql-assistant-for-data-quality.md)
- [Explorer](https://docs.collibra.com/data-quality-self-hosted/core-concepts/explorer.md)
- [Processing methods](https://docs.collibra.com/data-quality-self-hosted/core-concepts/explorer/processing-methods.md)
- [Pullup processing](https://docs.collibra.com/data-quality-self-hosted/core-concepts/explorer/processing-methods/pullup-processing.md)
- [Pushdown processing](https://docs.collibra.com/data-quality-self-hosted/core-concepts/explorer/processing-methods/pushdown-processing.md)
- [Setting up a Pushdown connection](https://docs.collibra.com/data-quality-self-hosted/core-concepts/explorer/processing-methods/pushdown-processing/setting-up-a-pushdown-connection.md)
- [Create a DQ job](https://docs.collibra.com/data-quality-self-hosted/core-concepts/explorer/create-a-dq-job.md)
- [Connect to a data source](https://docs.collibra.com/data-quality-self-hosted/core-concepts/explorer/create-a-dq-job/connect-to-a-data-source.md)
- [Select a scanning method](https://docs.collibra.com/data-quality-self-hosted/core-concepts/explorer/create-a-dq-job/select-a-scanning-method.md)
- [Select columns](https://docs.collibra.com/data-quality-self-hosted/core-concepts/explorer/create-a-dq-job/select-columns.md)
- [Select rows](https://docs.collibra.com/data-quality-self-hosted/core-concepts/explorer/create-a-dq-job/select-rows.md)
- [Transform](https://docs.collibra.com/data-quality-self-hosted/core-concepts/explorer/create-a-dq-job/transform.md)
- [Mapping](https://docs.collibra.com/data-quality-self-hosted/core-concepts/explorer/create-a-dq-job/mapping.md)
- [Add layers](https://docs.collibra.com/data-quality-self-hosted/core-concepts/explorer/create-a-dq-job/add-layers.md)
- [Sizing](https://docs.collibra.com/data-quality-self-hosted/core-concepts/explorer/create-a-dq-job/sizing.md)
- [Using the job size estimator](https://docs.collibra.com/data-quality-self-hosted/core-concepts/explorer/create-a-dq-job/sizing/using-the-job-size-estimator.md)
- [Job size estimator configuration](https://docs.collibra.com/data-quality-self-hosted/core-concepts/explorer/create-a-dq-job/sizing/job-size-estimator-configuration.md)
- [Scaling your DQ Job](https://docs.collibra.com/data-quality-self-hosted/core-concepts/explorer/create-a-dq-job/sizing/scaling-your-dq-job.md)
- [Review](https://docs.collibra.com/data-quality-self-hosted/core-concepts/explorer/create-a-dq-job/review.md)
- [Run your DQ job](https://docs.collibra.com/data-quality-self-hosted/core-concepts/explorer/create-a-dq-job/run-your-dq-job.md)
- [DQ job settings](https://docs.collibra.com/data-quality-self-hosted/core-concepts/explorer/create-a-dq-job/dq-job-settings.md)
- [Parallel JDBC](https://docs.collibra.com/data-quality-self-hosted/core-concepts/explorer/create-a-dq-job/dq-job-settings/parallel-jdbc.md)
- [Managing the Jobs page](https://docs.collibra.com/data-quality-self-hosted/core-concepts/explorer/managing-the-jobs-page.md)
- [Logging](https://docs.collibra.com/data-quality-self-hosted/core-concepts/explorer/managing-the-jobs-page/logging.md)
- [View DQ Job log files](https://docs.collibra.com/data-quality-self-hosted/core-concepts/explorer/managing-the-jobs-page/logging/view-dq-job-log-files.md)
- [View Job logs in the DQ user interface](https://docs.collibra.com/data-quality-self-hosted/core-concepts/explorer/managing-the-jobs-page/logging/view-job-logs-in-the-dq-user-interface.md)
- [View Runtime logs](https://docs.collibra.com/data-quality-self-hosted/core-concepts/explorer/managing-the-jobs-page/logging/view-runtime-logs.md)
- [View Audit web logs](https://docs.collibra.com/data-quality-self-hosted/core-concepts/explorer/managing-the-jobs-page/logging/view-audit-web-logs.md)
- [Convert log outputs to JSON formatting](https://docs.collibra.com/data-quality-self-hosted/core-concepts/explorer/managing-the-jobs-page/logging/convert-log-outputs-to-json-formatting.md)
- [Findings](https://docs.collibra.com/data-quality-self-hosted/core-concepts/findings.md)
- [Data quality monitors](https://docs.collibra.com/data-quality-self-hosted/core-concepts/findings/data-quality-monitors.md)
- [Behaviors](https://docs.collibra.com/data-quality-self-hosted/core-concepts/findings/data-quality-monitors/behaviors.md)
- [Rules](https://docs.collibra.com/data-quality-self-hosted/core-concepts/findings/data-quality-monitors/rules.md)
- [Outliers](https://docs.collibra.com/data-quality-self-hosted/core-concepts/findings/data-quality-monitors/outliers.md)
- [Patterns](https://docs.collibra.com/data-quality-self-hosted/core-concepts/findings/data-quality-monitors/patterns.md)
- [Source](https://docs.collibra.com/data-quality-self-hosted/core-concepts/findings/data-quality-monitors/source.md)
- [Record](https://docs.collibra.com/data-quality-self-hosted/core-concepts/findings/data-quality-monitors/record.md)
- [Schema](https://docs.collibra.com/data-quality-self-hosted/core-concepts/findings/data-quality-monitors/schema.md)
- [Dupes](https://docs.collibra.com/data-quality-self-hosted/core-concepts/findings/data-quality-monitors/dupes.md)
- [Shapes](https://docs.collibra.com/data-quality-self-hosted/core-concepts/findings/data-quality-monitors/shapes.md)
- [Labels tab](https://docs.collibra.com/data-quality-self-hosted/core-concepts/findings/data-quality-monitors/labels-tab.md)
- [Job tab](https://docs.collibra.com/data-quality-self-hosted/core-concepts/findings/data-quality-monitors/job-tab.md)
- [Job Command Line Parameters](https://docs.collibra.com/data-quality-self-hosted/core-concepts/findings/data-quality-monitors/job-tab/job-command-line-parameters.md)
- [DQ Job JDBC](https://docs.collibra.com/data-quality-self-hosted/core-concepts/findings/data-quality-monitors/job-tab/job-command-line-parameters/dq-job-jdbc.md)
- [DQ Job Hive](https://docs.collibra.com/data-quality-self-hosted/core-concepts/findings/data-quality-monitors/job-tab/job-command-line-parameters/dq-job-hive.md)
- [DQ Job Files](https://docs.collibra.com/data-quality-self-hosted/core-concepts/findings/data-quality-monitors/job-tab/job-command-line-parameters/dq-job-files.md)
- [DQ Job JSON](https://docs.collibra.com/data-quality-self-hosted/core-concepts/findings/data-quality-monitors/job-tab/job-command-line-parameters/dq-job-json.md)
- [DQ Job S3](https://docs.collibra.com/data-quality-self-hosted/core-concepts/findings/data-quality-monitors/job-tab/job-command-line-parameters/dq-job-s3.md)
- [Advanced](https://docs.collibra.com/data-quality-self-hosted/core-concepts/findings/data-quality-monitors/job-tab/job-command-line-parameters/advanced.md)
- [DQ Job Back Run](https://docs.collibra.com/data-quality-self-hosted/core-concepts/findings/data-quality-monitors/job-tab/job-command-line-parameters/advanced/dq-job-back-run.md)
- [DQ Job Cron](https://docs.collibra.com/data-quality-self-hosted/core-concepts/findings/data-quality-monitors/job-tab/job-command-line-parameters/advanced/dq-job-cron.md)
- [DQ Job Validate Source](https://docs.collibra.com/data-quality-self-hosted/core-concepts/findings/data-quality-monitors/job-tab/job-command-line-parameters/advanced/dq-job-validate-source.md)
- [Add Date Column](https://docs.collibra.com/data-quality-self-hosted/core-concepts/findings/data-quality-monitors/job-tab/job-command-line-parameters/advanced/add-date-column.md)
- [Cloudera CLASSPATH](https://docs.collibra.com/data-quality-self-hosted/core-concepts/findings/data-quality-monitors/job-tab/job-command-line-parameters/advanced/cloudera-classpath.md)
- [Date Time Variable Options](https://docs.collibra.com/data-quality-self-hosted/core-concepts/findings/data-quality-monitors/job-tab/job-command-line-parameters/advanced/date-time-variable-options.md)
- [Deploy Mode](https://docs.collibra.com/data-quality-self-hosted/core-concepts/findings/data-quality-monitors/job-tab/job-command-line-parameters/advanced/deploy-mode.md)
- [Lookback](https://docs.collibra.com/data-quality-self-hosted/core-concepts/findings/data-quality-monitors/job-tab/job-command-line-parameters/advanced/lookback.md)
- [Filter & Filter Not](https://docs.collibra.com/data-quality-self-hosted/core-concepts/findings/data-quality-monitors/job-tab/job-command-line-parameters/advanced/filter-filter-not.md)
- [Header Check](https://docs.collibra.com/data-quality-self-hosted/core-concepts/findings/data-quality-monitors/job-tab/job-command-line-parameters/advanced/header-check.md)
- [Multiple Pattern Relationships](https://docs.collibra.com/data-quality-self-hosted/core-concepts/findings/data-quality-monitors/job-tab/job-command-line-parameters/advanced/multiple-pattern-relationships.md)
- [Nulls in Datasets](https://docs.collibra.com/data-quality-self-hosted/core-concepts/findings/data-quality-monitors/job-tab/job-command-line-parameters/advanced/nulls-in-datasets.md)
- [Spark-shell Sample](https://docs.collibra.com/data-quality-self-hosted/core-concepts/findings/data-quality-monitors/job-tab/job-command-line-parameters/advanced/spark-shell-sample.md)
- [Transform](https://docs.collibra.com/data-quality-self-hosted/core-concepts/findings/data-quality-monitors/job-tab/job-command-line-parameters/advanced/transform.md)
- [Export tab](https://docs.collibra.com/data-quality-self-hosted/core-concepts/findings/data-quality-monitors/export-tab.md)
- [Working with Assignments](https://docs.collibra.com/data-quality-self-hosted/core-concepts/findings/working-with-assignments.md)
- [Validating Findings](https://docs.collibra.com/data-quality-self-hosted/core-concepts/findings/working-with-assignments/validating-findings.md)
- [Invalidating Findings](https://docs.collibra.com/data-quality-self-hosted/core-concepts/findings/working-with-assignments/invalidating-findings.md)
- [Resolving Findings](https://docs.collibra.com/data-quality-self-hosted/core-concepts/findings/working-with-assignments/resolving-findings.md)
- [Viewing the Assignment Queue](https://docs.collibra.com/data-quality-self-hosted/core-concepts/findings/working-with-assignments/viewing-the-assignment-queue.md)
- [Data Quality Score Meter](https://docs.collibra.com/data-quality-self-hosted/core-concepts/findings/data-quality-score-meter.md)
- [Break records and link IDs](https://docs.collibra.com/data-quality-self-hosted/core-concepts/findings/break-records-and-link-ids.md)
- [About break records](https://docs.collibra.com/data-quality-self-hosted/core-concepts/findings/break-records-and-link-ids/about-break-records.md)
- [Working with link IDs](https://docs.collibra.com/data-quality-self-hosted/core-concepts/findings/break-records-and-link-ids/working-with-link-ids.md)
- [Archiving break records from Pullup jobs](https://docs.collibra.com/data-quality-self-hosted/core-concepts/findings/break-records-and-link-ids/archiving-break-records-from-pullup-jobs.md)
- [Archiving break records from Pushdown jobs](https://docs.collibra.com/data-quality-self-hosted/core-concepts/findings/break-records-and-link-ids/archiving-break-records-from-pushdown-jobs.md)
- [Profile](https://docs.collibra.com/data-quality-self-hosted/core-concepts/profile.md)
- [Working with the Change Detection modal](https://docs.collibra.com/data-quality-self-hosted/core-concepts/profile/working-with-the-change-detection-modal.md)
- [Adding Quick Rules](https://docs.collibra.com/data-quality-self-hosted/core-concepts/profile/adding-quick-rules.md)
- [Adding Data Class and Sensitivity Labels](https://docs.collibra.com/data-quality-self-hosted/core-concepts/profile/adding-data-class-and-sensitivity-labels.md)
- [DQ Rules](https://docs.collibra.com/data-quality-self-hosted/core-concepts/dq-rules.md)
- [Rule Builder](https://docs.collibra.com/data-quality-self-hosted/core-concepts/dq-rules/rule-builder.md)
- [Working with Dataset Rules](https://docs.collibra.com/data-quality-self-hosted/core-concepts/dq-rules/rule-builder/working-with-dataset-rules.md)
- [Working with the Rule Workbench](https://docs.collibra.com/data-quality-self-hosted/core-concepts/dq-rules/rule-builder/working-with-the-rule-workbench.md)
- [Create a data quality rule](https://docs.collibra.com/data-quality-self-hosted/core-concepts/dq-rules/rule-builder/working-with-the-rule-workbench/create-a-data-quality-rule.md)
- [Filter a data quality rule](https://docs.collibra.com/data-quality-self-hosted/core-concepts/dq-rules/rule-builder/working-with-the-rule-workbench/filter-a-data-quality-rule.md)
- [Apply a tolerance threshold to a data quality rule](https://docs.collibra.com/data-quality-self-hosted/core-concepts/dq-rules/rule-builder/working-with-the-rule-workbench/apply-a-tolerance-threshold-to-a-data-quality-rule.md)
- [Create a data quality rule with SQL Assistant for Data Quality](https://docs.collibra.com/data-quality-self-hosted/core-concepts/dq-rules/rule-builder/working-with-the-rule-workbench/create-a-data-quality-rule-with-sql-assistant-for-data-quality.md)
- [Understanding the rules score](https://docs.collibra.com/data-quality-self-hosted/core-concepts/dq-rules/rule-builder/working-with-the-rule-workbench/understanding-the-rules-score.md)
- [Rule Types](https://docs.collibra.com/data-quality-self-hosted/core-concepts/dq-rules/rule-types.md)
- [SQL Based Rules](https://docs.collibra.com/data-quality-self-hosted/core-concepts/dq-rules/rule-types/sql-based-rules.md)
- [Simple](https://docs.collibra.com/data-quality-self-hosted/core-concepts/dq-rules/rule-types/sql-based-rules/simple.md)
- [Freeform](https://docs.collibra.com/data-quality-self-hosted/core-concepts/dq-rules/rule-types/sql-based-rules/freeform.md)
- [Add Secondary Datasets](https://docs.collibra.com/data-quality-self-hosted/core-concepts/dq-rules/rule-types/sql-based-rules/freeform/add-secondary-datasets.md)
- [Native](https://docs.collibra.com/data-quality-self-hosted/core-concepts/dq-rules/rule-types/sql-based-rules/native.md)
- [Stat Rules](https://docs.collibra.com/data-quality-self-hosted/core-concepts/dq-rules/rule-types/sql-based-rules/stat-rules.md)
- [Data type rules](https://docs.collibra.com/data-quality-self-hosted/core-concepts/dq-rules/rule-types/sql-based-rules/data-type-rules.md)
- [Rule Summary](https://docs.collibra.com/data-quality-self-hosted/core-concepts/dq-rules/rule-summary.md)
- [Templates](https://docs.collibra.com/data-quality-self-hosted/core-concepts/dq-rules/templates.md)
- [Data Classes](https://docs.collibra.com/data-quality-self-hosted/core-concepts/dq-rules/data-classes.md)
- [Dataset Directory](https://docs.collibra.com/data-quality-self-hosted/core-concepts/dataset-directory.md)
- [Dataset Manager](https://docs.collibra.com/data-quality-self-hosted/core-concepts/dataset-directory/dataset-manager.md)
- [Column Manager](https://docs.collibra.com/data-quality-self-hosted/core-concepts/dataset-directory/column-manager.md)
- [Reports](https://docs.collibra.com/data-quality-self-hosted/core-concepts/reports.md)
- [Completeness Report](https://docs.collibra.com/data-quality-self-hosted/core-concepts/reports/completeness-report.md)
- [Dataset Findings](https://docs.collibra.com/data-quality-self-hosted/core-concepts/reports/dataset-findings.md)
- [Summary Reports](https://docs.collibra.com/data-quality-self-hosted/core-concepts/reports/summary-reports.md)
- [Missing Jobs Report](https://docs.collibra.com/data-quality-self-hosted/core-concepts/reports/missing-jobs-report.md)
- [Hardware Usage Report](https://docs.collibra.com/data-quality-self-hosted/core-concepts/reports/hardware-usage-report.md)
- [Oversized Job Report](https://docs.collibra.com/data-quality-self-hosted/core-concepts/reports/oversized-job-report.md)
- [Observability Score Roll-Up Report](https://docs.collibra.com/data-quality-self-hosted/core-concepts/reports/observability-score-roll-up-report.md)
- [Rules Passing Fraction Roll-Up Report](https://docs.collibra.com/data-quality-self-hosted/core-concepts/reports/rules-passing-fraction-roll-up-report.md)
- [User Activity Report](https://docs.collibra.com/data-quality-self-hosted/core-concepts/reports/user-activity-report.md)
- [Row Count by Dataset Report](https://docs.collibra.com/data-quality-self-hosted/core-concepts/reports/row-count-by-dataset-report.md)
- [Alert Details Report](https://docs.collibra.com/data-quality-self-hosted/core-concepts/reports/alert-details-report.md)
- [Job Runs per User](https://docs.collibra.com/data-quality-self-hosted/core-concepts/reports/job-runs-per-user.md)
- [Daily Job Runs per User](https://docs.collibra.com/data-quality-self-hosted/core-concepts/reports/daily-job-runs-per-user.md)
- [Rule Updates per User](https://docs.collibra.com/data-quality-self-hosted/core-concepts/reports/rule-updates-per-user.md)
- [Report Dashboards](https://docs.collibra.com/data-quality-self-hosted/core-concepts/reports/report-dashboards.md)
- [Column Dimension Dashboard](https://docs.collibra.com/data-quality-self-hosted/core-concepts/reports/report-dashboards/column-dimension-dashboard.md)
- [Dataset Dimension Report](https://docs.collibra.com/data-quality-self-hosted/core-concepts/reports/report-dashboards/dataset-dimension-report.md)
- [Custom](https://docs.collibra.com/data-quality-self-hosted/core-concepts/reports/custom.md)
- [Alerts](https://docs.collibra.com/data-quality-self-hosted/core-concepts/alerts.md)
- [Managing alerts from the Alert Builder](https://docs.collibra.com/data-quality-self-hosted/core-concepts/alerts/managing-alerts-from-the-alert-builder.md)
- [Working with the Alert Builder](https://docs.collibra.com/data-quality-self-hosted/core-concepts/alerts/working-with-the-alert-builder.md)
- [Adding dataset alerts](https://docs.collibra.com/data-quality-self-hosted/core-concepts/alerts/working-with-the-alert-builder/adding-dataset-alerts.md)
- [Using conditions for alerts](https://docs.collibra.com/data-quality-self-hosted/core-concepts/alerts/working-with-the-alert-builder/adding-dataset-alerts/using-conditions-for-alerts.md)
- [Configuring alert emails](https://docs.collibra.com/data-quality-self-hosted/core-concepts/alerts/working-with-the-alert-builder/configuring-alert-emails.md)
- [Working with Alert Notifications](https://docs.collibra.com/data-quality-self-hosted/core-concepts/alerts/working-with-alert-notifications.md)
- [Scheduler](https://docs.collibra.com/data-quality-self-hosted/core-concepts/scheduler.md)
- [Jobs Schedule](https://docs.collibra.com/data-quality-self-hosted/core-concepts/scheduler/jobs-schedule.md)
- [Scheduling a DQ Job](https://docs.collibra.com/data-quality-self-hosted/core-concepts/scheduler/jobs-schedule/scheduling-a-dq-job.md)
- [Updating the time zone](https://docs.collibra.com/data-quality-self-hosted/core-concepts/scheduler/jobs-schedule/scheduling-a-dq-job/updating-the-time-zone.md)
- [Schedule Restrictions](https://docs.collibra.com/data-quality-self-hosted/core-concepts/scheduler/schedule-restrictions.md)
- [DQ Views](https://docs.collibra.com/data-quality-self-hosted/core-concepts/dq-views.md)
- [Scorecards](https://docs.collibra.com/data-quality-self-hosted/core-concepts/dq-views/scorecards.md)
- [Create a scorecard](https://docs.collibra.com/data-quality-self-hosted/core-concepts/dq-views/scorecards/create-a-scorecard.md)
- [List View](https://docs.collibra.com/data-quality-self-hosted/core-concepts/dq-views/list-view.md)
- [Assignments](https://docs.collibra.com/data-quality-self-hosted/core-concepts/dq-views/assignments.md)
- [Pulse View](https://docs.collibra.com/data-quality-self-hosted/core-concepts/dq-views/pulse-view.md)