Oracle Cloud Infrastructure Documentation

Reference for Database Migration

This guide lists the predefined objects in Resource Analytics for Database Migration. You can find information about views, entity relationships, subject areas, and sample queries.

Views

This section provides information about views within Resource Analytics Database Migration and their columns, data types, keys, and the referred view and column names. The following views are available:

Database Migration Views
NameDescription
DATABASE_MIGRATION_DIM_V This view stores information on migrations.
DATABASE_MIGRATION_CONNECTION_DIM_V This view stores information on database connections used for migrations.
DATABASE_MIGRATION_JOB_DIM_V This view stores information on migration jobs.
DATABASE_MIGRATION_FACT_V Fact table for database migrations.

The suffixes in the view names specify the view type:

  • FACT_V: Fact
  • DIM_V: Dimension

Relationship Diagram

This section provides diagrams that define the logical relationship of a fact table with different dimension tables.

The contents of each view and their relationships are listed in the following file: Database Migration views.

This diagram shows the relationship of the Database Migration fact view with different dimension views.

DATABASE_MIGRATION_FACT_V
Relationship diagram showing the fact table, DATABASE_MIGRATION_FACT_V.

Sample Queries

Sample queries for Database Migration.

Show the migration details for all active migrations for autonomous databases:
SELECT
    MIGRATION_ID,
    DISPLAY_NAME,
    COMPARTMENT_ID,
    REGION,
    LIFECYCLE_STATE,
    DATABASE_ID,
    JOB_TYPE,
    TYPE,
    TIME_CREATED,
    TIME_UPDATED,
    AUTONOMOUS_DB.DISPLAY_NAME   AS AUTONOMOUS_DB_NAME,
    AUTONOMOUS_DB.LIFECYCLE_STATE AS AUTONOMOUS_DB_STATE
FROM
    OCIRA.DATABASE_MIGRATION_FACT_V   MIGRATION
JOIN
    OCIRA.DBAAS_AUTONOMOUS_DATABASE_DIM_V AUTONOMOUS_DB
ON
    MIGRATION.OCIRA_DATABASE_KEY = AUTONOMOUS_DB.OCIRA_AUTONOMOUS_DATABASE_KEY
WHERE
    MIGRATION.LIFECYCLE_STATE = 'ACTIVE';

Data Lineage

The Customer Experience Semantic Model Lineage spreadsheet and Metric Calculation Logic spreadsheet for Database Migration provides an end-to-end data lineage summary report for physical and logical relationships in your data.

For more information, see Data Lineage.

Subject Areas

This section provides information on the subject areas with data you maintain in Database Migration. These subject areas, with their corresponding data, are available for you to use when creating and editing analyses and reports. The information for each subject area includes:

  • Description of the subject area.

  • Business questions that can be answered by data in the subject area, with a link to more detailed information about each business question.

  • Job-specific groups and duty roles that can be used to secure access to the subject area, with a link to more detailed information about each job role and duty role.

  • Primary navigation to the work area that's represented by the subject area.

  • Time reporting considerations in using the subject area, such as whether the subject area reports historical data or only the current data. Historical reporting refers to reporting on historical transactional data in a subject area. With a few exceptions, all dimensional data are current as of the primary transaction dates or system date.

  • The lowest grain of transactional data in a subject area. The lowest transactional data grain decides how data are joined in a report.

  • Special considerations, tips, and things to look out for in using the subject area to create analyses and reports.

The subject area is: