run oracle apps in the cloud with dashdb

Run Oracle Apps in the Cloud with dashDB

IBM Cloud Data Services

©2015 IBM Corporation

A few of our IBM Cloud DBaaS Offerings…

Cloudant dashDB BigInsights on Cloud DB2 on Cloud IBM Analytics for

Apache Spark

Operational Data Store

Cloud Data Warehouse

Hadoop in the Cloud

Hosted Database in the Cloud

Fully Managed Spark

• Global data distribution

• Massively scalable• Eventually consistent

data model• Built for mobile,

Systems of Engagement

• SQL interface• MPP• ACID compliance• Columnar, in-memory

performance• BLU augmented with

NZ in-DB analytics• Built for Systems of

Insight

• Bare metal performance

• Build on reference architecture

• BigInsights enterprise features

• Power of DB2• Fast Provisioning• Flexible pricing• No loss of DBA control• Built for Systems of

Record

• In-memory application framework for data processing and analysis

• Built-in machine learning

• Elastic scaling


IBM dashDB

Fast, fully managed serviceIn-memory technology = high performancePredictive modeling built into the databaseWorks with an ecosystem of BI apps and toolsIntegrated security and maintenance

Data warehousing in the cloud

1. Augment existing data warehouse 2. Tap into born-on-the-cloud data –

Analysis of NoSQL

3. Data science data store 4. Standalone enterprise data

warehouse-as-a-service


dashDB is available as a fully managed service through IBM Bluemix.

IBM manages the setup, configuration, tuning and disaster recovery operations, so you can get straight to building…


dashDB features

Oracle compatibility BLU in-memory acceleration Columnar technology In-database predictive analytics Cloudant integration for JSON analytics Built-in Netezza algorithms SoftLayer bare metal infrastructure Open data and Twitter data integration Elastic and high performance MPP architecture


‘Load and Go’simplicity- Oracle Exadata and Oracle RAC are extremely complex and time consuming to configure, tune and manage

Dynamic in-memory optimized technology- Oracle Exadata is NOT an in-memory database

Column organization performs better for analytics- Oracle is row based – only has ‘patchwork’ columnar database capabilities

dashDB is Better, Faster and Simpler


Actionable compression delivers superior performance- Oracle can’t work on compressed data

SIMD exploitation of CPU speeds up performance- Oracle doesn’t exploit SIMD or offer columnar support

Dynamic caching means hot columns stay in memory - Oracle is forced to read data that the query isn’t interested in… wasted memory, wasted CPU, wasted I/O…

dashDB is Better, Faster and Simpler


WITH ORACLE IN-MEMORY OPTIONDatabase design and tuning1. Decide on partition strategies

2. Select row compression strategy

3. Create table

4. Load data

5. Decide what partitions are hot

6. Decide what columns are hot

7. Allocate enough memory for columnar

8. Alter tables/partitions to specify what objects you want to have columnar9. Decide what if any indexes to drop

10. Monitor memory to ensure you don’t run out

Simplification of Analytic Operations

CreateLoadGO!

Repeat

AFTERdashDB1. Create table

2. Load data

dashDB / Oracle Compatibility

What does it mean?


Compatibility: what does it mean?

Syntax toleration and feature extensionsWhere no semantic conflicts exist

Compatibility modeOvercome clashes between dashDB and other SQL

dialects

Database Conversion WorkbenchTooling to assist with evaluation and conversion

Near out of the box compatibility for your app- Client side- Server side


Oracle Database > dashDB

Concurrency Control > Native support

SQL > Native support

PL/SQL > Native support

Packages > Native support

Built-in Packages > Native support

OCI > Native support

JDBC > Native support

Online Schema Changes > Native support

SQL *Plus Scripts > Native support

dashDB runs Oracle code seamlessly

SQL Runtime Engine

SQL Compiler PL/SQL Compiler

SQL PL Compiler

Application

dashDB service

DatabaseNot Emulation


SQL Compatibility: Feature Highlights

Features

SQL Dialect

NUMBER, VARCHAR2, NVARCHAR2, DATE,

SUBTYPE, VARRAY, HASH TABLES, ROW TYPE, CURSOR TYPE

(+) Join Syntax, ROWNUM, Oracle built-in functions

PL/SQL Native support for most PL/SQL syntax

PL/SQL Packages Named collection of functions, procedures, types and variables

Built-in Package Library

DBMS_ALERT, DBMS_JOB, DBMS_DDL, DBMS_LOB

DBMS_SQL, DBMS_OUTPUT, DBMS_PIPE, DBMS_UTILITY

UTL_FILE, UTL_DIR, UTL_MAIL, UTL_SMTP

Application Enablement

OCI

JDBC Extensions

SQL*Plus Scripts

And more …


Architecturally the concepts are the sameEasy to learn

I/O Subsystem Asynchronous, Parallel I/O Automatic, Intelligent Data Striping with Parallel I/O Big block I/O Scatter/Gather I/O

Parallelism SQL and Utilities Intra- & Intra-Partition Parallelism Cost-based Optimizer with Query

Rewrite Dynamic throttling based on load

Very Large Memory Exploitation

64 bit Support I/O Buffering Multiple Buffer Pools

SMP Exploitation All CPUs exploited through OS

threads and processes

Database Conversion Workbench

The Conversion Process

IBM Database Conversion Workbench (DCW)

An easy framework that can help you:• Move your Oracle databases to

dashDB• Move your Pure Data for Analytics

(PDA) databases to dashDB

Provided as a no-charge plug-in to add migration capabilities to Data Studio

DCW is comprised of several tools and wizards that guide users through well-defined best practices migration steps


DCW Functions and Features

DCW Task Launcher - An integrated help guide, which provides step by step instructions through the conversion process

DDL Extraction - Extracts objects in the source database, used by DCW to analyze the source database and provide compatibility assessment and work effort

Compatibility Evaluation – Provides a report of the estimated % compatibility of Oracle SQL and PL/SQL statements with dashDB, outlining the major issues of the conversion, code that was auto-converted, as well as code that must be fixed manually*Note: report is encrypted for non-IBM users. The encrypted file can be sent to [email protected], which will reply with a decrypted report

Code Conversion - Auto-converts Oracle syntax to dashDB compatible syntax. This streamlines a time consuming process

Object Creation – splits a single DDL file into multiple files, organized by object types, which can then be executed against the target dashDB database to create the required objects Object Dependencies Visualizer - Generates a dependency graph of objects in the source database

mailto:[email protected]


Database Conversion Workbench (DCW)


Assessment: Extract database DDL and PL/SQL from source

DCW wizards will walk users through processes to extract DDL and PL/SQL from source (Oracle) database … one of two ways:

1. via a connection from Data Studio to Oracle database

2. generation of custom extraction script to be run against Oracle database


Assessment: Import database DDL and PL/SQL into DCW

• After user has obtained the source DDL and PL SQL, DCW Import wizard will walk user through process to import file into DCW

• The DDL file is imported into a DCW Project, and automatically converted to a .sql extension


Assessment: Generate the DCW Evaluation Report

[email protected]@

email: Encrypted file

Run DCW Evaluate Compatibility wizard

DCW will generate an .xmle file

IBM will email decrypted and formatted report to user


Assessment: Report and Automatic Code Conversion

• Compatibility Evaluation Report - provides the estimated % compatibility of Oracle SQL and PL/SQL statements with dashDB, outlining the major issues of the conversion that require special attention, code that was auto-converted, as well as code that must be fixed manually

• Automatic Code Conversion - Auto-converts Oracle syntax to dashDB compatible syntax


Compatibility is implemented in dashDB's core for native performance

dashDB customers benefit from simplified skills transfer

dashDB will continue to extend compatibility with Oracle applications to further drive down enablement cost

dashDB provides tooling for up front evaluation and to assist with the conversion

dashDB & Oracle Compatibility

Get started:

www.dashdb.com

https://developer.ibm.com/clouddataservices/docs/dashdb/get/install-ibm-database-conversion-workbench/

run oracle apps in the cloud with dashdb

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