Optimizing with Open Source Technology Postgres

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Jasmin Tyler
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2 Providing enterprises with the cost-performance benefits of Postgres by offering the products, resources, support and dependability required for high-level commercial applications employees 2,500+ customers across all market segments Global presence with offices in North America, Europe, Asia Fast growing: over 60% YOY sales growth in 2013 Strong financial banking: 2013 EnterpriseDB. All rights reserved EDB All rights reserved

3 Product road-map Services & training Enterprise-class features & tools Responsive, dependable & controlled 24/7 support POSTGRES innovation Advanced features Get The Best Of Both Worlds POSTGRES PLUS ADVANCED SERVER Indemnification ENTERPRISE reliability Low cost No vendor lock-in Fast development cycles Thousands of developers 2013 EDB All rights reserved

4 Postgres Plus: A Super-Set of Features Synchronized with and contributing to the PostgreSQL community Contributions EDB Postgres DEVELOPMENT PostgreSQL Plus Advanced Server Community Needs Enterprise Needs 2013 EDB All rights reserved

5 Postgres Plus: everything in PostgreSQL PLUS... Security: Fine Grained Audit Logging Row Level Security (VPD) SQL Injection attack guard Server-side code protection EAL2 certification Performance: Postgres Plus Advanced PERFORMANCE PostgreSQL Server Partitioning: -400x faster writes -76x faster selects SQL Profiler--find / fix slow SQL workloads Bulk Data Loader--2x faster Index Advisor speeds up slow queries Query Hints--optimizer control DynaTune auto-tunes for memory upgrades Bulk Collect/Fetch/Binding of arrays Dynamic runtime statistics reveals SQL wait bottlenecks ORACLE COMPATIBILITY Bundled Tools: Oracle & SQL Server to Postgres replication Enterprise management, monitoring, and tuning Oracle & SQL Server to Postgres Migration Tools Update Monitor Oracle Compatibility: 60% of customers migrate in <2 weeks PL/SQL, OCI support Oracle SQL extensions User defined objects Function packages Database links Oracle-like tools: EDB*Loader, EDB*Plus, EDB*Wrap 2013 EDB All rights reserved

7 Oracle Compatibility Run applications written for Oracle virtually unchanged No need to re-train Oracle DBAs and developers Support for PL/SQL language and OCI interoperability Replication for easy sharing of data EDB All rights reserved

9 Compatibility Means: SQL extension support Decode, NVL, Substr, NVL2 Date/time functions: add_months, extract, next_day PL/SQL support REF Cursors, Implicit and explicit cursors Looping, variable declarations, conditional statements Collections: Associative Arrays, Varrays, Nested tables Bulk binding Named parameters User Defined Exceptions Explicit Transaction Control within a stored procedure (not supported by PostgreSQL) Tools EDB*Plus SQL*Plus look-a-like EDB*Loader SQL*Loader equivalent 9 CONFIDENTIAL 2011 EnterpriseDB. All rights reserved EDB All rights reserved EDB*Wrap similar to the PL/SQL wrapper

10 Compatibility (continued) Features Packages Stored procedures Functions Triggers Hints Database Links Hierarchical Queries Synonyms Public and Private Sequences Rownum Object types Create type as object Create type as table Create type as varray Constructor and collection methods Users/Roles 10 CONFIDENTIAL Dynamic SQL 2011 EnterpriseDB. All rights reserved EDB All rights reserved

11 Compatibility (continued) Data Types Integer, number, char, double precision, float, varchar2, blob, clob, xmltype, rowid Built-in Packages DBMS_: SQL, LOB, JOB, PIPE, ALERT, OUTPUT, UTILITY, PROFILER UTL_: FILE, MAIL, SMTP, ENCODE, TCP Oracle-like Data Dictionary ALL_, DBA_, USER_ views Most commonly accessed views Diagnostics - DRITA System and session waits Not exposed in PostgreSQL Part of Advanced Server Statspack-like reporting 11 CONFIDENTIAL 2011 EnterpriseDB. All rights reserved EDB All rights reserved

13 Assessing Ease of Migration 1 Analyze Oracle Schema Layout: Static Analysis of Oracle Schema and database layout Supported features in PPAS & required work-arounds (database) 2 Review features used in Oracle client application: Static Analysis of Source Code Developer Interviews Supported features in PPAS & required work-arounds (application) EDB All rights reserved

Assessing Ease of Migration (con t) 3 Evaluate results along 5 axis using proven algorithms: Detailed report describing supported features along with elaboration of issues and recommended fixes to

14 Assessing Ease of Migration (con t) 3 Evaluate results along 5 axis using proven algorithms: Detailed report describing supported features along with elaboration of issues and recommended fixes to ensure seamless migration of production database. (database & application) 4 Migration Plan Score of 1 10 assigned based on analysis of steps 1 and 2 1 difficult 10 minimal effort Work arounds for identified missing features Time estimates given in person weeks EDB All rights reserved

15 Database Migration Toolkit Online Migration Toolkit enables point and click migration from Oracle Automatically Migrates: Data Schemas Stored Procedures Triggers Functions Sequences Packages Views Database Links Synonyms 2013 EDB All rights reserved

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