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Oracle database 12c sql and plsql new features and development best practices

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Technology

Published on March 6, 2014

Author: dbMaestro

Source: slideshare.net

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slides from our last Webinar
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Oracle Database 12c SQL and PL/SQL New features and Development Best Practices Ami Aharonovich Uri Margalit

Before We Begin • You will be on mute for the duration of the event • We are now talking so please type a message in the Questions box in the Control Panel if you can’t hear us (please check your speakers and GoToWebinar audio settings first) • There will be a Q+A session at the end, you can start submitting you questions on the Q&A bar on your gotowebinar dashboard. • A recording of the full webinar will be put up online 2

Presenters Ami Aharonovich • Oracle ACE & OCP • Founder & CEO of DBAces • President of ilOUG (Israel Oracle User Group) Uri Margalit • Director of Products at DBmaestro 3

DBmaestro: DevOps for Database Streamline Database Development Process Reduce Database Development Costs Instill Change Policy Enforcement Mitigate Deployment Risks Automate Deployment Process Reduce Deployment cost by 95% 4

Agile world… • Doing better with less • Reacting quickly to market needs • Getting ahead of competition • Just can’t wait 6 months for that next release… • Agile Development • Process Automation • DevOps 5

Why Manage Change? 80% More than 50% of unplanned downtime is due to Change of this, half is due human errors 40% of changes fail Copyright@2008, Juniper Networks, Inc. 6

Database is a Key Component • The database holds your essential information • Changes can impact the entire system • Need to be synchronized with other changes • Often overlooked 7

The Weakest Link In a Chain • Old adage but true • The database is often “forgotten” and therefore can become the weakest link • Essential from a compliance point of view • Should be the strongest link • “Using NoSQL can eliminate the step of data migrations and schema changes, often manual steps or exceptions to a continuous delivery workflow” http://en.wikipedia.org/wiki/Continuous_delivery (Rarely a practical option…) 8

Reaching Inside the Database • There is more to a database than SQL scripts • • • • • Schema structure Code Content and meta-content Internal dependencies … • Ensure that changes are not made without authorization • Ensure no out-of-process changes 9

Poll – What do you utilize • Which Method your organization utilize? • Application Version Control • Database Version Control • Application Lifecycle Management • Agile • DevOps 10

What is DBmaestro TeamWork • Database Enforced Change Management • • • • Database version control Plugs into the ALM (change request, tickets & work items) Database change impact analysis Database deployment automation • DevOps Solution for databases • Deployment, rollback & recovery • Plugs into release management 11

Two isolated Processes Development Process Version Control Process (file based) Check-Out Script ? Check-In Script ? A Modify Script Get updated Script from DB ? 12 ? Compile Script in DB A’ Debug Script in DB

Database deployment automation • Major challenge… • Risky if done incorrectly… • Conflicts & Merges • Code overrides • Outdated update scripts • Need Impact analysis processes • Traceability and transparency • Audit and compliance • Automating problems into production is a major risk!!! 13

With DECM - One Enforced Process Database & Version Control Process 14

Version Control Demo If a Picture is Worth a Thousand Words… 15

Poll – Level of automation • How much do you automate your database deployment? • None, script is written manually • Generating script automatically, review manually • Internally within development • Development -> QA • Development -> QA -> Pre prod 16

Database Deployment Methods • Build Once Deploy Many • • • • Execute same script across all environments Saved in file-based version control Check-In is done before change being tested Not aware to changes made out of process • Build & Deploy On Demand (best practice) • • • • Aware of out of process changes Handles the same script challenges Alerts on conflicts between environments Up-to-date script 17

Build Once Deploy Many Out of Process Change Model Dev Dev Dev Int QA Stage Prod 1.7 1.6 1.5 1.4 1.3 1.2 1.1 1.1 1.7 1.4 ? 1.1.1 1.1 1.1 1.1.1 1.1 1.2 1.1 1.2 1.1 1.2 1.3 1.2 1.3 1.2 1.3 1.4 1.3 1.4 1.3 1.4 1.5 1.4 1.5 1.4 1.5 1.6 1.5 1.6 1.5 1.6 1.7 1.6 1.7 1.6 Database Deploy Script 1.2 X X 1.3 X X X 1.5 1.4 1.6 1.7 Re-Base (due to defects) Environment 18 X

Build & Deploy On Demand Out of Process Change Dev Dev Dev Model Int 1.3 1.3 1.6 1.6 1.1.1 1.1 1.7 1.7 1.1.1 1.1 1.5 1.5 1.1 1.7 1.4 1.4 1.4 Prod 1.2 1.2 Stage 1.7 1.6 1.5 1.4 1.3 1.2 1.1 1.1 QA 1.7 1.1 1.4 1.1 1.4 * 1.7 1.7 File Based Version Control Database Deploy Script * Re-Base (due to defects) Execute the same script being executed at the Stage environment Environment 19

Deployment Automation Safety Net Simple Compare & Sync Source vs. Target = ≠ Baseline Aware Deployment Source vs. Baseline Action No Action Target vs. Baseline Action = = Take Source = ≠ Keep Target ≠ You do not have all of the information No Action ≠ ? = ≠ Merge Conflict With Baselines and 3 way analysis the unknown is now known 20

Baseline Deployment Demo Real Life Deployment… 21

Your Benefits • All changes are documented • Eliminate out-of-process changes • Support sandbox, shared, mixed and branch methodologies • Enforce development best practices methods • Have a bullet-proof deployment automation • Leverage baseline-based impact analysis • Enable database continuous delivery 22

Q&A 23

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