Introduction
Data Lake is a centralized repository that stores all forms of data in their native format, including raw, semi-structured, and structured data. Delta Lake is an open-source storage layer that brings reliability to data lakes. Delta Lake provides ACID transactions, scalable metadata handling, and unifies streaming and batch data processing.
DMAP is a powerful tool that can help you move data from Oracle DB to Delta Lake. DMAP can handle large and complex data sets, and it can automate many of the tasks involved in the migration process.
Benefits of Moving Data to Delta Lake
There are a number of benefits to moving data from Oracle DB to Delta Lake, including:
- Improved performance: Delta Lake is a columnar format, which means that it is optimized for reading and writing large data sets.
- Reduced storage costs: Delta Lake can compress and store data more efficiently than Oracle DB.
- Improved data quality: Delta Lake provides ACID transactions, which ensures that data is always consistent and durable.
- Enhanced data governance: Delta Lake provides time travel, which allows you to rollback changes to your data if necessary.
How DMAP Migrates Data to Delta Lake
DMAP uses a three-step process to migrate data from Oracle DB to Delta Lake:
- Assessment: DMAP assesses your Oracle DB environment to identify the schemas and data that need to be migrated.
- Conversion: DMAP converts your Oracle DB schemas and data to a format that is compatible with Delta Lake.
- Migration: DMAP migrates your data to Delta Lake.
Technical Benefits of Migrating to Columnar Formats
Columnar formats offer a number of technical benefits for reading and writing large data sets, including:
- Reduced I/O: Columnar formats reduce I/O by storing related data together in columns. This means that only the necessary columns need to be read or written when querying a data set.
- Improved compression: Columnar formats can be compressed more efficiently than row-based formats. This is because columnar formats store related data together, which allows for better redundancy elimination.
- Accelerated queries: Columnar formats can accelerate queries by allowing database engines to optimize query execution plans.
How Delta Lake Supports ACID and Time Travel
Delta Lake supports ACID transactions and time travel through its use of a transaction log. The transaction log records all changes to the data in Delta Lake. This allows Delta Lake to ensure that data is always consistent and durable, even in the event of a failure.
Time travel allows you to rollback changes to your data if necessary. This can be useful if you make a mistake or if you need to revert to a previous version of your data. To roll back a change, you simply need to specify the version of the data that you want to revert to.
Conclusion
DMAP is a powerful tool that can help you move data from Oracle DB to Delta Lake. Moving data to Delta Lake can offer a number of benefits, including improved performance, reduced storage costs, improved data quality, and enhanced data governance.
If you are considering moving data from Oracle DB to Delta Lake, DMAP is a valuable tool that can help you save time, money, and effort.
Connect With Us
Take the first step towards a more efficient, cost-effective, and reliable data environment. Contact us at dmap@newtglobalcorp.com to explore how DMAP can streamline your migration to Delta Lake. Whether you have queries, need detailed advice, or are eager to begin your migration, we’re here to assist you every step of the way.