31 DBC courses delivered Online

Duration 5 Days 30 CPD hours This course is intended for This course is for all Oracle Professionals. Specifically Database Administrators, Web Server Administrators, System Administrators, CIOs and other IT Management Professionals. Overview Upon successful completion of this course, students will be able to understand configuration for installation, configuration of a host system, using Oracle Restart framework, troubleshooting tips, how the database fits with other systems, internals of the database, database failures and other topics. In this course, students will focus on configuration on supported systems. Also how the database fits in with other systems. Oracle Database Architercture Overview The Database Instance Database Memory Structures Database Process Structures Database Storage Architecture Oracle Clusterware Configuring the Host for Standalone Installlation Host Configuration Overview Choosing a Database Host Choosing an Operating System Proprietary Unix vs Open-Source Linux Making the OS Selection Prepare an Oracle LINUX Installation Perform Oracle LINUX Installation Configure the LINUX Host Step 1 - Confirm General System Requirements Step 2 - Confirm The Operating System Platform Step 3 - Confirm LINUX Package Requirements Step 4 - Confirm Network Configuration Configure Host for Virtualization VM Technologies Configure Oracle Linux for Virtualization Step 1 - Download Linux Updates Step 2 - Check Linux Kernel Step 3 - Download Latest yum Configuration File Step 4 - Enable Oracle Linux Add-ons Step 5 - Install VirtualBox Oracle Optimal Flexible Architecture OFA Goals ORACLE_BASE ORACLE_HOME Database Files Multiple ORACLE_HOMEs Databse Software Upgrades Mutliple Oracle Software Installations GRID Infrastructure Configuration Configure the Linux Installation About ASM Devices Configure Linux Devices for ASM Partioning a Device Oracle ASMLib Configue MS Windows Devices GRID Infrastructure Installation Perform the Installation Download Unpack the Installation Package Launch the Installation Session The Installation Dialog Verify the Installation Operating System Confirmation Oracle Utilities Setup SQL*Plus Confirmation Using EM Cloud Control Troubleshooting Problems DATABASE Installation Configuraion Configure a Linux Installation System Groups & Users Configure Kernel Parameters Create the Physical Directories Configure MS Windows Installation Prerequisite Checks & Fixup Utility DATABASE Installation ABOUT THE INSTALLATION The Installation Tools About The Installation Dialog The Installation Session Log PERFORM INSTALLATION ON LINUX Download Unpack The Installation Files Set Environment Variables Launch The Installation SERVER CLASS INSTALLATION DIALOG More About The Global Database Name About Enterprise Manager Cloud Control Secure The New Database PERFORM INSTALLATION ON WINDOWS Launch The Installation POST---INSTALLATION CONFIGURATION Required Environment Variables Defining The Environment Variables About SSH VERIFY THE INSTALLATION SQL*PlusConfirmation Operating System Confirmation Firewall Configuration Accessing EM Database Express Creating Databses Using DBCA About DBCA DBCA Templates Are You Sure? DEFAULT CONFIGURATION DATABASE ADVANCED MODE DATABASE File Location Variables Database Vault and Label Security CONFIGURE AN EXISTING DATABASE DELETE A DATABASE MANAGE TEMPLATES MANUALLY CREATE A DATABASE The CREATE DATABASE Command Using Oracle Restart WHAT IS ORACLE RESTART? What Oracle Restart Does Is Oracle Restart Deprecated? Registering With Oracle Restart More About srvctl Terminal Session Configuration COMPONENT STATUS USING SRVCTL Database Status Grid Infrastructure Status Oracle Home Status CONFIGURATION USING SRVCTL Examining A Database Configuration Examining The Listener Configuration Examining The ASM Configuration Manual Registration ListenerConfiguration Modification Database ConfigurationModification STARTUP/SHUTDOWN USING SRVCTL Why Use srvctl? MANAGING ORACLE RESTART Obtaining Oracle Restart Status Start/Stop Oracle Restart Preparing for a Database Upgrade What is a Database Upgrade? Database Upgrade Methods Real World Database Upgrade Develop A Database Upgrade Plan ABOUT THE DATABASE VERSION Direct Upgrade The COMPATIBLE Database Parameter PRE-UPGRADE PREPARATIONS Oracle Warehouse Builder Oracle Label Security (OLS) Oracle Database Vault Locating The Older Database Installations THE PRE-UPGRADE INFORMATION TOOL Pre-Upgrade Information Tool Files Run The Pre---Upgrade Information Tool Examining The Pre---Upgrade Information Tool Results Upgrade to Oracle Databse 12c Launch DBUA Database Upgrade Dialog Post-Upgrade Tasks Post-Upgrade Checklist Enable Unified Auditing Migrate to Unified Auditing Database Parameter Changes Enable New Features Source Destination Specific Post-Upgrade Tasks Oracle Architecture: The Systems Infrastructure About Enterprise Architectures The Relational Database Legacy Computing Models The Multi-Tiered Computing Model Scaling Up Cloud-Based Deployment ORACLE INFRASTRUCTURE ECOSYSTEM USING ORACLE ENTERPRISE MANAGER More About EM Using EM Database Express Using EM Cloud Control Oracle Architecture: The Database Host The Database Server Stack PROCESSOR LAYER CPU Resources Memory Resources I/O & STORAGE PROCESSING OS LAYER PROCESSING MODES DATABASE SERVER VIRTUALIZATION STORAGE VIRTUALIZATION ORACLE DATABASE SERVER STACK ORACLE ENGINEERED SYSTEMS Oracle Exadata Database Platform Exalogic Cloud Machine Exalytics BI Machine Oracle Architecture: Princilples & Technology Concepts Grid Computing Principles Why Grid Computing? What Is Grid Computing? PARALLELIZATION PRINCIPLES Hardware Parallelization Grid Computing Devices Clustered Database Servers CLOUD COMPUTING PRINCIPLES Multi-Tenancy Oracle Architecture: The RDBMS Installation & the Database Instance The Database Server Software Database Versions & Releases Database Editions Using PRODUCT_COMPONENT_VERSION View The Core Database Components Using V$VERSION View Understanding The Database Version Number The COMPATIBLE Database Parameter DATABASE INSTANCE ELEMENTS Individual Elements Of A Database Instance Physical Database Elements An Operational Database installation DATABASE INSTANCE CONFIGURATIONS Single Instance Parameter Files & Instance Configuration MAX_STRING_SIZE Parameter Example Independent Instances Clustered Instances The Database Instance In A Multi-tenant Configuration RECONFIGURING A DATABASE INSTANCE Static Vs. Dynamic Parameters Dynamic Parameter Setting Parameter Setting Scope Parameter Setting Level Setting Upgrade Related Parameters DATABASE COMPONENTS Advanced Data Functionality Components Security Components High-Performance Components Administration Components Database F

Duration 5 Days 30 CPD hours This course is intended for This hands-on course is geared for experienced DBAs new to Oracle 19c, who can work in Linux and have basic experience with SQL scripting. Overview This course combines expert lecture, real-world demonstrations and group discussions with machine-based practical labs and exercises. Working in a hands-on learning environment led by our Oracle Certified expert facilitator, students will learn how to: How to use tools to access an Oracle Database Generate database creation scripts by using DBCA How to create a container database (CDB) by using the CREATE DATABASE command Learn about Startup and shut down Oracle databases Initialization parameter files and initialization parameters Tools that are used to administer Oracle Net Services How to use the Oracle Connection Manager Control utility to administer Oracle Connection Manager How to create a new PDB from the PDB seed. Logical and physical storage structures in an Oracle database Usage of Oracle Database features that save space Explanation of DML and undo data generation Learn about general architecture of Oracle Data Pump and SQL*Loader How to use SQL*Loader to load data from a non-Oracle database (or user files) Bonus Content / Time Permitting: Explanation of maintenance windows Bonus Content / Time Permitting: Employ basic monitoring procedures and manage performance Oracle 19C Database Administration I (Oracle DBA I) is a comprehensive, hands-on course provides concrete information on the design of an Oracle Database instance and database, allowing you to manage your database investment. In this class, you will learn how to create database storage structures that align with your requirements and business models. You will also learn how to create users and administer databases as well as harden the databases to meet your business requirements. This is the foundational course for learning about Oracle Database and it does not assume prior knowledge or Oracle technologies, however you should have incoming experience working with SQL, and be comfortable with Linux and working from the command line. This training is NOT Official Oracle University training. This is independent, adjustable content that aligns with current topics, skills and tools that participants need to excel in these areas. Introduction to Oracle Database Oracle Multitenant Container Database Oracle Database Instance Configurations Database Sharding Oracle Database Server Accessing an Oracle Database Oracle Database Tools Database Tool Choices SQL Developer Enterprise Manager Database Express Creating an Oracle Database by Using DBCA Planning the Database Choosing a Database Template Configuration Assistant Creating an Oracle Database by Using a SQL Command Creating a Container Database Enable Pluggable Database Starting Up and Shutting Down a Database Instance Starting the Oracle Database Instance Shutting Down an Oracle Database Instance Opening and Closing PDBs Managing Database Instances Investigating Initialization Parameter Files Viewing Initialization Parameters by Using SQL*Plus Modifying Initialization Parameters by Using SQL*Plus Viewing Diagnostic Information Oracle Net Services Overview Oracle Net Services Components Oracle Net Listener Configuring Naming Methods Configuring the Oracle Network to Access a Database Creating a Net Service Name for a PDB Configuring and Administering the Listener Exploring the Default Listener Creating a Second Listener Connecting to a Database Service Using the New Listener Configuring a Shared Server Architecture Configuring Shared Server Mode Configuring Clients to Use a Shared Server Configuring Oracle Connection Manager for Multiplexing and Access Control Oracle Connection Manager Processes Filtering Rules Session Multiplexing Creating PDBs Creating a New PDB from the PDB Seed Cloning Remote PDBs in Hot Mode Relocating PDBs Managing PDBs Renaming a PDB Setting Parameter Values for PDBs Database Storage Overview Logical and Physical Database Structures Tablespaces and Data Files Types of Segments Monitoring Tablespace Space Usage Creating and Managing Tablespaces Viewing Tablespace Information Creating a Tablespace Managing Temporary and Permanent Tablespaces Improving Space Usage Managing Space in Tablespaces Using Compression Enabling the Resumable Space Allocation Feature Creating and Managing User Accounts Creating Common and Local Users Creating a Local User for an Application Exploring OS and Password File Authentication Configuring Privilege and Role Authorization Granting a Local Role (DBA) to PDBADMIN Using SQL*Developer to Create Local Roles Configuring User Resource Limits Using SQL*Developer to Create a Local Profile & Users Configuring a Default Role for a User Implementing Oracle Database Auditing Enabling Unified Auditing Creating Audit Users Creating an Audit Policy Introduction to Loading and Transporting Data General Architecture Oracle Data Pump SQL Loader Loading Data into a PDB from an External File Moving Data from One PDB to Another PDB Transporting a Tablespace Using External Tables to Load and Transport Data Querying External Tables Unloading External Tables Automated Maintenance Tasks Overview Automated Maintenance Tasks Maintenance Windows Predefined Maintenance Windows Bonus: Managing Tasks and Windows Enabling and Disabling Automated Maintenance Tasks Modifying the Duration of a Maintenance Window Bonus: Database Monitoring and Performance Tuning Overview Performance Planning Considerations Automatic Workload Repository (AWR) Advisory Framework Bonus: Monitoring Database Performance & Processes Server-Generated Alerts Setting Metric Thresholds Performance Monitoring Examining the Database Background Processes Bonus: Tuning Database Memory Viewing Memory Configurations Bonus: Analyzing SQL and Optimizing Access Paths Using the Optimizer Statistics Advisor

Duration 5 Days 30 CPD hours This course is intended for Data Warehouse AdministratorDatabase Administrators Overview Use the Oracle Database tuning methodology appropriate to the available toolsUtilize database advisors to proactively tune an Oracle Database InstanceUse the tools based on the Automatic Workload Repository to tune the databaseDiagnose and tune common SQL related performance problemsDiagnose and tune common Instance related performance problemsUse Enterprise Manager performance-related pages to monitor an Oracle DatabaseGain an understanding of the Oracle Database Cloud Service In the Oracle Database 12c: Performance Management and Tuning course, learn about the performance analysis and tuning tasks expected of a DBA: proactive management through built-in performance analysis features and tools, diagnosis and tuning of the Oracle Database instance components, and diagnosis and tuning of SQL-related performance issues. In this course, you will be introduced to Oracle Database Cloud Service. Introduction Course Objectives Course Organization Course Agenda Topics Not Included in the Course Who Tunes? What Does the DBA Tune? How to Tune Tuning Methodology Basic Tuning Diagnostics Performance Tuning Diagnostics Performance Tuning Tools Tuning Objectives Top Timed Events DB Time CPU and Wait Time Tuning Dimensions Time Model Dynamic Performance Views Using Automatic Workload Repository Automatic Workload Repository Overview Automatic Workload Repository Data Enterprise Manager Cloud Control and AWR Snapshots Reports Compare Periods Defining the Scope of Performance Issues Defining the Problem Limiting the Scope Setting the Priority Top SQL Reports Common Tuning Problems Tuning During the Life Cycle ADDM Tuning Session Performance Versus Business Requirements Using Metrics and Alerts Metrics and Alerts Overview Limitation of Base Statistics Benefits of Metrics Viewing Metric History Information Viewing Histograms Server-Generated Alerts Setting Thresholds Metrics and Alerts Views Using Baselines Comparative Performance Analysis with AWR Baselines Automatic Workload Repository Baselines Moving Window Baseline Baselines in Performance Page Settings Baseline Templates AWR Baseslines Creating AWR Baselines Managing Baselines with PL/SQL Using AWR-Based Tools Automatic Maintenance Tasks ADDM Performance Monitoring Using Compare Periods ADDM Active Session History New or Enhanced Automatic Workload Repository Views Emergency Monitoring Real-time ADDM Real-Time Database Operation Monitoring Overview Use Cases Defining a Database Operation Scope of a Composite Database Operation Database Operation Concepts Identifying a Database Operation Enabling Monitoring of Database Operations Identifying, Starting, and Completing a Database Operation Monitoring Applications What is a Service? Service Attributes Service Types Creating Services Managing Services in a Single-Instance Environment Where are Services Used? Using Services with Client Applications Services and Pluggable Databases Identifying Problem SQL Statements SQL Statement Processing Phases Role of the Oracle Optimizer Identifying Bad SQL Top SQL Reports SQL Monitoring What is an Execution Plan? Methods for Viewing Execution Plans Uses of Execution Plans Influencing the Optimizer Functions of the Query Optimizer Selectivity Cardinality and Cost Changing Optimizer Behavior Optimizer Statistics Extended Statistics Controlling the Behavior of the Optimizer with Parameters Enabling Query Optimizer Features Reducing the Cost of SQL Operations Reducing the Cost Index Maintenance SQL Access Advisor Table Maintenance for Performance Table Reorganization Methods Space Management Extent Management Data Storage Using SQL Performance Analyzer Real Application Testing: Overview Real Application Testing: Use Cases SQL Performance Analyzer: Process Capturing the SQL Workload Creating a SQL Performance Analyzer Task SQL Performance Analyzer: Tasks Parameter Change SQL Performance Analyzer Task Page SQL Performance Management Maintaining SQL Performance Maintaining Optimizer Statistics Automated Maintenance Tasks Statistic Gathering Options Setting Statistic Preferences Restore Statistics Deferred Statistics Publishing Automatic SQL Tuning Using Database Replay Using Database Replay The Big Picture System Architecture Capture Considerations Replay Considerations: Preparation Replay Considerations Replay Options Replay Analysis Tuning the Shared Pool Shared Pool Architecture Shared Pool Operation The Library Cache Latch and Mutex Diagnostic Tools for Tuning the Shared Pool Avoiding Hard Parses Reducing the Cost of Soft Parses Sizing the Shared Pool Tuning the Buffer Cache Oracle Database Architecture: Buffer Cache Buffer Cache: Highlights Database Buffers Buffer Hash Table for Lookups Working Sets Buffer Cache Tuning Goals and Techniques Buffer Cache Performance Symptoms Buffer Cache Performance Solutions Tuning PGA and Temporary Space SQL Memory Usage Performance Impact Automatic PGA Memory SQL Memory Manager Configuring Automatic PGA Memory Setting PGA_AGGREGATE_TARGET Initially Limiting the size of the Program Global Area (PGA) SQL Memory Usage Automatic Memory Oracle Database Architecture Dynamic SGA Granule Memory Advisories Manually Adding Granules to Components Increasing the Size of an SGA Component Automatic Shared Memory Management: Overview SGA Sizing Parameters: Overview Performance Tuning Summary with Waits Commonly Observed Wait Events Additional Statistics Top 10 Mistakes Found in Customer Systems Symptoms Oracle Database Cloud Service: Overview Database as a Service Architecture, Features and Tooling Software Editions: Included Database Options and Management Packs Accessing the Oracle Database Cloud Service Console Automated Database Provisioning Managing the Compute Node Associated With a Database Deployment Managing Network Access to Database as a Service Scaling a Database Deployment Performance Management in the Database Cloud Environment Performance Monitoring and Tuning What Can be Tuned in a DBCS Environment?

This course is for young learners who: Have completed Level 3. Know how to read, write and speak Greek at a very good level. Use a variety of words and expressions when speaking with family and friends. Communicate with native speakers in Greek without much strain from either party.

This course is for kids and young learners who: Have completed Level 2. Know how to read, write and speak basic Greek. Use a variety of expressions while speaking with family and friends. Communicate with native speakers in simple Greek.

This course is for kids and young learners who: Have completed Level 1. Know how to read, write and speak basic Greek. Communicate in simple every day activities with family and friends. Understand and use simple and common expressions in Greek.

This course is for young learners who: Have completed Level 4. Know how to read, write and speak Greek at a very good level. Understand all the ideas presented in Greek, either spoken or written. Communicate with native speakers Greek without any strain.

This course is for young learners who: Have completed Level 5. Know how to read, write and speak Greek without any strain. Communicate with native speakers Greek and speak with clarity and spontaneity.

This course is designed for all those who are planning to visit Greece and would like to learn and practice common and useful Greek phrases used when travelling. This mini-course introduces different aspects of Greek for tourism, working on main language points and useful Greek vocabulary through a variety of topics related to the tourist industry. After the completion of the course you will be able to communicate in basic everyday circumstances. The course is designed to be completed in 10 days – 10 lessons of 60 minutes each. The lessons are supported by slides (including readers and exercises), audios, and video files. All you need is a computer and an Internet connection, and you are ready to go!

What will you learn in this course? Deal with every day social and professional situations. Understand the main topics and some details of spoken or written language. Learn how to communicate and interact socially in formal situations. Become familiar with the greek culture. Deal with situations when you travel to places where the language is spoken. Write small paragraphs in order to describe experiences, events, dreams, and express your opinion. The main topics to be covered in this course are about society, telling stories, travelling, advantages & disadvantages, agreeing & disagreeing, the greek culture and more.