Oracle Migration to Postgres in the Cloud
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The document outlines EDB's cloud database service for migrating Oracle databases to PostgreSQL, detailing migration steps, compatibility features, and the advantages of EDB's service. EDB is a leader in open-source PostgreSQL software, with a global presence and extensive expertise in database management. It highlights the ease of transition from Oracle to PostgreSQL, focusing on user accessibility and a comprehensive knowledge base for migrations.
Oracle Migration to Postgres in the Cloud
- 1. CONFIDENTIAL © Copyright EnterpriseDB Corporation, 2018. All rights reserved. Oracle Migration to Postgres in the Cloud Kanchan Mohitey – Director, Cloud Services Marc Linster – SVP, Product Development 1
- 2. CONFIDENTIAL © Copyright EnterpriseDB Corporation, 2019. All rights reserved. Agenda ● Who is EDB ● Postgres in the Cloud - EDB’s Cloud Database Service ● Hands on CDS Demo ● Migration Steps - Getting from Oracle to Postgres ● Picking the Right Migration Candidates ● Hands on Migration Demo ● Q&A
- 3. CONFIDENTIAL © Copyright EnterpriseDB Corporation, 2018. All rights reserved.3 WORLDWIDE PRESENCE
- 4. We are the world leader in open-source based Postgres software and services PROVEN • Recognized RDBMS leader by Gartner and Forrester • 2013-2018 Member of Gartner Magic Quadrant COMMITTED • Founded in 2004 • Largest PostgreSQL contributor— 40% of core team GLOBAL • Customer global base > 4000 • 300+ Employees world-wide • Offices in 16 countries
- 5. CONFIDENTIAL © Copyright EnterpriseDB Corporation, 2019. All rights reserved.5 OVER 4,000 CUSTOMERS U.S Customers EMEA Customers APAC Customers 102 of the Fortune 500 337 of the Forbes Global 2000 Customers working SMARTER, reducing RISK and being more PRODUCTIVE with EDB
- 6. CONFIDENTIAL © Copyright EnterpriseDB Corporation, 2019. All rights reserved. EDB OPEN SOURCE LEADERSHIP Named EDB open source committers and contributors CONTRIBUTORS Akshay Joshi Amul Sul Ashesh Vashi Dilip Kumar Jeevan Ladhe Mithun Cy MAJOR CONTRIBUTORSCORE TEAM Andres Freund Devrim Gündüz Thomas Munro Amit Kapila Bruce Momjian Dave Page Robert Haas - committers Ashutosh Sharma Rushabh Lathia
- 7. CONFIDENTIAL © Copyright EnterpriseDB Corporation, 2018. All rights reserved.
- 8. CONFIDENTIAL © Copyright EnterpriseDB Corporation, 2019. All rights reserved. EDB POSTGRES CLOUD DATABASE SERVICE Hosted EDB Postgres on the public cloud ● On Demand and Reserved ✔ Easy access and provisioning ✔ Use case based Pre-defined templates ● Highly Available and Easy to use ✔ Load balancing, automatic failover and elastic scale-out ✔ Secure data encryption ● Oracle Compatible ✔ EDB Postgres with Oracle compatibility ✔ Integrated with EDB Migration Portal ● True Postgres ✔ Same Postgres everywhere ✔ Complete DBA management
- 9. CONFIDENTIAL © Copyright EnterpriseDB Corporation, 2019. All rights reserved.9 DEMO EDB Postgres Cloud Database Service
- 10. CONFIDENTIAL © Copyright EnterpriseDB Corporation, 2019. All rights reserved. PGR COMMUNITY CDS Help Desk & CDS Resource Center EDB’s Online Postgres Community Resources for all things Postgres
- 11. CONFIDENTIAL © Copyright EnterpriseDB Corporation, 2019. All rights reserved.11 SURVEY Migration to the Cloud
- 12. CONFIDENTIAL © Copyright EnterpriseDB Corporation, 2019. All rights reserved.12 FROM ORACLE TO POSTGRES Get your Oracle workloads ...all the way to the cloud. SCHEMA DATA CODE MOST OF THE WAY SCHEMA, DATA, AND CODE PART OF THE WAY SCHEMA AND DATA ONLY INTERFACE All OF THE WAY SCHEMA, DATA, CODE, AND INTERFACE
- 13. CONFIDENTIAL © Copyright EnterpriseDB Corporation, 2019. All rights reserved. DATABASE COMPATIBILITY FOR ORACLE • SQL extension support • Decode, NVL, Substr, NVL2, Date/time functions • DDL syntax support • PL/SQL support – native language • REF Cursors, Implicit and explicit cursors • Looping, variable declarations, conditional statements • Collections: Associative Arrays, Varrays, Nested tables • Pragmas • Named parameters • User Defined Exceptions • Explicit Transaction Control(within sp) • Tools • EDB*Plus – SQL*Plus look-a-like • EDB*Loader – SQL*Loader equivalent • Oracle-like Data Dictionary • ALL_, DBA_, USER_ views • Wait Events • System and session waits • Statspack-like reporting • Features • Packages • Stored procedures • Functions • Triggers • Hints • Hierarchical Queries • Synonyms – Public and Private • Sequences • Rownum • Users/Roles • Dynamic SQL • Materialized Views • Partitioning • PL/SQL supplied packages • 16 DBMS • 8 UTL • Data types • Blobs, Clobs, XMLTYPE, VARCHAR2, NUMBER, CHAR, Integer • Drivers • JDBC, ODBC, .NET with Oracle extensions • OCI & ProC compatible drivers EDB Advanced Server 11: Pragma Autonomous Transaction and DBMS_REDACT
- 14. CONFIDENTIAL © Copyright EnterpriseDB Corporation, 2019. All rights reserved.14 DATABASE DRIVERS Oracle Compatibility Feature JDBC ODBC .NET OCI PL/SQL Support REF_CURSOR - OracleTypes.CURSOR User-defined Exceptions - vendor code Named Parameters - parameter names Data Types- VARCHAR2 , STRUCT, ARRAYS STRUCT - Enhanced Manipulation Upper Column Names - (OPTIONAL) Multiple INOUT/OUT parameters
- 15. CONFIDENTIAL © Copyright EnterpriseDB Corporation, 2019. All rights reserved. PICK YOUR BATTLES 50%+ of migrations are easy … 30% involve more work … 20% are difficult 51% had slight to no modifications
- 16. CONFIDENTIAL © Copyright EnterpriseDB Corporation, 2019. All rights reserved.16 WHAT MAKES A GOOD CANDIDATE? • ORM (Hibernate, Spring, etc. ) • Procedures, Functions, Packages written in PL/SQL • Ability to modify source code • Availability of Application Developers • No use of RAC for scalability • No need for Flashback
- 17. CONFIDENTIAL © Copyright EnterpriseDB Corporation, 2019. All rights reserved.17 TYPICALLY MORE DIFFICULT TARGETS Moderate candidates • OCI interface • Spatial/XML • Oracle extensions of .NET and ODBC Typically difficult candidates • ProC interface • Transaction management control inside PL/SQL (Commit/rollback/ savepoint/exceptions) • Stored procedures written in Java • Must have RAC capabilities and Flashback Other Oracle proprietary extensions
- 18. CONFIDENTIAL © Copyright EnterpriseDB Corporation, 2019. All rights reserved.18 THE FASTEST WAY OFF ORACLE TO THE CLOUD Migration Portal Combines • Native Oracle Compatibility ✔ Schemas ✔ DB Code ✔ Application interfaces • Rich knowledge base from 10+ years of migrations • Crowd sourced discovery of new code translations Migration Portal Statistics ● Number of Users: 1680 ● Number of Oracle Schema Assessed: 4833 ● Number of Oracle DDLs Assessed: 2416763
- 19. CONFIDENTIAL © Copyright EnterpriseDB Corporation, 2019. All rights reserved.19 DEMO Oracle Migration to Postgres in the Cloud
- 20. CONFIDENTIAL © Copyright EnterpriseDB Corporation, 2019. All rights reserved. EDB Postgres - Key to Oracle Migrations ● Proven Oracle Compatibility ● Highly available and easy to use ● Available in the EDB Cloud Database Service ● Linked with EDB Migration Portal Easy, cost effective migration from Oracle to Postgres
- 21. Get Started With EDB POSTGRES CLOUD DATABASE SERVICE No credit card required cds.enterprisedb.com START YOUR FREE TRIAL Spin up a micro cluster with a 7 day validity. © Copyright EnterpriseDB Corporation, 2019. All Rights Reserved.
- 22. CONFIDENTIAL © Copyright EnterpriseDB Corporation, 2019. All rights reserved.22 THANK YOU CLOUD DATABASE SERVICE