MariaDB

Supported versions

MariaDB Server from 5.1 to 11.x

MariaDB Columnstore

Some versions of MariaDB Columnstore may cause issues - we have tested and version 1.1.2-1 works properly.

If you do run into any issues please post here.

Supported schema elements and metadata

Dataedo reads the following metadata from MariaDB databases.

• Tables

  • Columns

    • Data type with length

    • Nullable

    • Default value

    • Data lineage*

  • Primary keys

    • Columns

  • Unique indexes

    • Columns

  • Foreign keys

    • Columns

  • Triggers

    • When triggered

    • Script

• Views

  • Columns (see tables)

  • Script

• Procedures

  • Script

  • Parameters (may not work on older versions of MariaDB)

• Functions

  • Script

  • Parameters (may not work on MariaDB 5.1)

  • Returned value (may not work on MariaDB 5.1)

* Column-level data lineage is retrieved using Dataedo SQL parser. Read more about the capabilities of the MySQL SQL parser.

Comments

Dataedo reads MariaDB comments from the following objects:

• Tables

  • Columns

    • Primary keys

  • Unique indexes

• Views

  • Columns

• Procedures

• Functions

Dataedo does not write comments back to MariaDB.

Data profiling

Dataedo supports the following data profiling in MariaDB:

• Tables

  • Rows count

• Column distribution

  • Distinct values

  • Non-distinct values

  • Empty

  • NULL

• Numeric columns profile

  • Minimum value

  • Maximum value

  • Average of values

  • Variance of values

  • Standard deviation

  • Span as the difference between min and max value

  • Number of distinct values

• String columns profile

  • Min value as the first string in alphabetical order

  • Max value as the last string in alphabetical order

  • Number of distinct values

• Date columns profile

  • Min value as the earliest date

  • Max value as the latest date

  • Span as the difference between min and max dates

  • Number of distinct dates

• Top N values

  • Top 10/100/1000 popular values

  • All values if less than 1000 distinct

  • 10 Random values

Read more about profiling in the Data Profiling documentation.

Data Quality

Users will be able to check if data in MariaDB tables is accurate, consistent, complete, and reliable using Data Quality functionality. Data Quality requires SELECT permission over the tested object.

Limitations

The following schema/metadata elements currently are not supported:

• Check constraints (vote)

• Non-unique indexes (vote)

• Dependencies - are not presented by MariaDB

Learn more

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