Reducing the Risks of Migrating Off Oracle
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The document outlines the benefits of migrating from Oracle to EDB Postgres Enterprise, emphasizing reduced risks, cost savings, and compatibility with existing Oracle skills and PL/SQL investments. It highlights features such as an effective migration toolkit and compatibility with Oracle's database structures, minimizing application re-writes and re-training needs. Additionally, it provides strategies for businesses to leverage existing skills and infrastructure while securely transitioning away from Oracle.
Reducing the Risks of Migrating Off Oracle
- 1. © Copyright EnterpriseDB Corporation, 2016. All Rights Reserved. 1 Company Confidential. Reducing the Risks of Moving Off Oracle EDB Postgres Enterprise reduces risks… Raises…
- 2. © Copyright EnterpriseDB Corporation, 2016. All Rights Reserved. 2 Company Confidential. …you could use your Oracle® skills without using Oracle? …you could keep your investments in PL/SQL and not use Oracle? …you could do both and save money? What if…
- 3. © Copyright EnterpriseDB Corporation, 2016. All Rights Reserved. 3 Company Confidential. But wait, change is not without risks! Re-training Risks Technical Risks RISK e g r a t io n I n t
- 4. © Copyright EnterpriseDB Corporation, 2016. All Rights Reserved. 4 Company Confidential. Reducing the Risk of Change Technical Data Compatibility Code Compatibility Tools for Mission- critical apps Re-Training Compatible Developer features: PL/SQL DBA features: Workload Mgr & Diagnostics, Compatible tools: SQL*Plus, SQL*Loader Integration Replicate to and from Oracle XA Resource Manager Data Adapters Wrappers for External DBs Cost Savings Cap core license quantities Reduce core licenses Eliminate core licenses EDB Postgres Enterprise reduces risks… and raises…
- 5. © Copyright EnterpriseDB Corporation, 2016. All Rights Reserved. 5 Company Confidential. EDB Migration Toolkit Migration Toolkit converts Oracle database objects to Advanced Server objects Data Compatibility - Data types: all data including Blobs, Clobs and Object types… - Meta data like: schemas, tables, indexes, views, partitions, roles… - Code: triggers, stored procedures, users, roles, database links …
- 6. © Copyright EnterpriseDB Corporation, 2016. All Rights Reserved. 6 Company Confidential. Advanced Server executes PL/SQL Stored Procedures, Triggers, Packages and understands extensions like DUAL, Rownum, Decode, NVL(2) and Substr(). Code Compatibility – PL/SQL Emulation Translation Layer on PL/pgSQL Compiler ✔ Interpreter ✔ Debugger ✔
- 7. © Copyright EnterpriseDB Corporation, 2016. All Rights Reserved. 7 Company Confidential. my_program.pgc ecpgPlus pre- compiler C compiler Linker ecpgPlus (Pro*C support) Code Compatibility – Pro*C ecpglib other libraries my_progam.o my_program.c my_program Supports: • Oracle Dynamic SQL • Pro*C compatible anonymous blocks, and • Oracle-compatible CALL statement
- 8. © Copyright EnterpriseDB Corporation, 2016. All Rights Reserved. 8 Company Confidential. Open Client Library - OCL (OCI support) Code Compatibility - OCI Application Programs Oracle’s OCI-Lib Published API UPI Wire Protocols Oracle® Call Interface stack Application Programs Open Client Library OCI Compatible API libpq Wire Protocols EDB’s Open Client Library Same Apps
- 9. © Copyright EnterpriseDB Corporation, 2016. All Rights Reserved. 9 Company Confidential. Enterprise Manager (Monitor, Alert, Manage & Tune) Active Data Guard features: Failover and Hot Standby Reads Tools for Mission-critical Apps Failover server in Hot Standby mode also allows READ access
- 10. © Copyright EnterpriseDB Corporation, 2016. All Rights Reserved. 10 Company Confidential. …database compatibility for Oracle is compatible with: 10 EDB Postgres Enterprise… Your technology Minimal Application re-writes
- 11. © Copyright EnterpriseDB Corporation, 2016. All Rights Reserved. 11 Company Confidential. Compatibility for Developers Query Hints Packages - UTL_ENCODE - UTL_FILE - UTL_HTTP - UTL_MAIL - UTL_SMTP - UTL_URL - Custom - DBMS_ALERT - DBMS_CRYPTO - DBMS_JOB - DBMS_LOB - DBMS_LOCK - DBMS_OUTPUT - DBMS_PIPE - DBMS_PROFILER - DBMS_SCHEDULER - DBMS_SQL - DBMS_RANDOM - DBMS_RLS - DBMS_UTILITY - Default Optimizer Hints - Access Method Hints - Join Order Hints - Join Relation Hints - Global Hints - Append Hints
- 12. © Copyright EnterpriseDB Corporation, 2016. All Rights Reserved. 12 Company Confidential. Virtual Private Database implemented using a package compatible with Oracle’s DBMS_RLS (row level security) Compatibility for Developers
- 13. © Copyright EnterpriseDB Corporation, 2016. All Rights Reserved. 13 Company Confidential. Resource Manager (CPU & I/O resource allocation) Compatibility for DBAs Password Profiles
- 14. © Copyright EnterpriseDB Corporation, 2016. All Rights Reserved. 14 Company Confidential. DRITA (Dynamic Runtime Instrumentation Tools Architecture) working with Wait events … Compatibility for DBAs • Functions − get_snaps() − sys_rpt() − sess_rpt() − sessid_rpt() − sesshist_rpt() − purgesnap() − truncsnap() • Statspack-like AWR Reports − edbreport() − stat_db_rpt() − stat_tables_rpt() − statio_tables_rpt() − stat_indexes_rpt() − statio_indexes_rpt() − edb$system_waits − edb$session_waits − edb$session_wait_history • Catalog Views − edb$system_waits − edb$session_waits − edb$session_wait_history − ~50 Dictionary Views
- 15. © Copyright EnterpriseDB Corporation, 2016. All Rights Reserved. 15 Company Confidential. Compatibility for Developers and DBAs • EDB*Plus • EDB*Loader
- 16. © Copyright EnterpriseDB Corporation, 2016. All Rights Reserved. 16 Company Confidential. …database compatibility for Oracle is compatible with: 16 EDB Postgres Enterprise… Your technology Your people No Application re-writes Minimal re-training
- 17. © Copyright EnterpriseDB Corporation, 2016. All Rights Reserved. 17 Company Confidential. Replication with Oracle TRANSACTION REPLICATION Queries Reports POSTGRES PLUS ADVANCED SERVER TABLE C TABLE D ORACLE Procs Objects TABLE A TABLE C TABLE B TABLE D Improved OLTP Performance Inexpensive Query / Reporting
- 18. © Copyright EnterpriseDB Corporation, 2016. All Rights Reserved. 18 Company Confidential. XA 2-Phase Commit Support Transaction Manager (e.g. Tuxedo) XA Resource Manager in Oracle XA Resource Manager in Advanced Server Phase 1 XA Resource Manager in Oracle XA Resource Manager in Advanced Server Phase 2 Transaction Manager (e.g. Tuxedo)
- 19. © Copyright EnterpriseDB Corporation, 2016. All Rights Reserved. 19 Company Confidential. EDB Postgres Data Adapters Read / Write MySQL Read / Write MongoDB Read / Write Hive/HDFS File / CSVODBC / JDBC LDAP Many others… Twitter / Facebook EDB Postgres Advanced Server
- 20. © Copyright EnterpriseDB Corporation, 2016. All Rights Reserved. 20 Company Confidential. …database compatibility for Oracle is compatible with: 20 EDB Postgres Enterprise… Your technology Your people No Application re-writes Minimal re- training Easy Integration Your business
- 21. © Copyright EnterpriseDB Corporation, 2016. All Rights Reserved. 21 Company Confidential. Strategy Risk Time Effort Benefits Savings New Reporting Applications Low Fast Low • Leverages existing Oracle reporting skills • Proof point: Oracle alternative for reporting • No new Oracle licenses Low Offload Reports using Replication Low Fast Med • Leverages existing Oracle reporting skills • Proof point: integration into Oracle infrastructure • No new Oracle licenses Low New Transaction Applications Low Application Dependent Low • Leverages existing Oracle report & txn skills • Proof point: viable option for txn processing • No new Oracle licenses Med Old Applications Due for Re- writes / Updates Med Application Dependent Med • Leverages existing Oracle skills and PL/SQL • Proof point: retain PL/SQL investments • Recycle existing Oracle licenses Med Migrate / Rewrite non-mission critical Apps High Application Dependent Med • Leverages existing Oracle skills and PL/SQL • Proof point: • Significant cost savings High New mission critical applications High Application Dependent High • Leverages existing Oracle skills • Proof point: Postgres tools for HA, Management • Dramatic cost savings High Adoption Strategies to Reduce Risk EDB’s Migration Assessment Service helps you build a custom strategy to move off Oracle that reduces your risk and maximizes your savings and success.
- 22. © Copyright EnterpriseDB Corporation, 2016. All Rights Reserved. 22 Company Confidential. …you could use your Oracle® skills without using Oracle! …you could keep your investments in PL/SQL and not use Oracle! …you could do both and save money! What if… When will you…
- 23. © Copyright EnterpriseDB Corporation, 2016. All Rights Reserved. 23 Company Confidential. Additional Resources… • EDB Downloads: − www.enterprisedb.com/downloads • Case study: Clear Capital Shrinking Oracle Costs − www.enterprisedb.com/clear-capital • eBook comparing EDB Postgres Enterprise to Oracle Enterprise Edition − Email: [email protected]