REPLICATION For HA – Level 1

Replication Architecture and Topology
Publication Types – Purpose, Importance
DB Articles, Publications, Subscriptions
Distribution DB Configuration, Snapshots
Snapshot Replication and Repl Agents
Adding Articles to Existing (LIVE) Replica
PUSH, PULL Subscriptions. N/W Shares
Transactional Replication Configuration
Log Reader Agent – Configuration, Keys
Replication Monitor – Tracer Tokens
Replication Monitor – Warnings, Alerts
Replication Monitor – Usage and Options
Replication Scripts, Adding Articles
Replication Warnings and Agent Alerts

REPLICATION For HA – Level 2

Merge Replication and Merge Agent Job
Replication Conflicts and ROWGUIDCOL
Subscription Reinitialization, Expiry Setting
Server Subscription & Client Subscription
Peer-Peer Replication Connections, Nodes
NodeID and Conflict Detection Options
Replication Conflicts and sp_MSRepl
sp_changedbowner, backup initialization
Replication Conflicts and Priority Settings
Replication Verify – Rowcount, Checksum
Disabling, Cleaning Replication Topology
Replication Strategies for HA and DR Plan
Replication for Load Balancing Topologies
Common Errors and Solutions

DB MIRRORING (HA – DR)

DB Mirroring Architecture For HA & DR
Log Shipping Versus Database Mirroring
TCP Endpoints, TCP Network Security
Heartbeat and Polling Concepts in DM
Automatic Fail-Over Procedures, Tests
PARTNER OFFLINE Conditions, Options
DB Mirroring Monitors and Commit Loads
SYNCHRONOUS & ASYNCHRONOUS
DB Mirroring and Port Configurations
Mirroring Monitor, Stop/Resume Options
Need for Always-On & Higher Availability
DB Recovery without Witness. Failover
Mirroring Monitor Jobs – Real-time Usage
Common Errors and Solutions

CLUSTER CONFIGURATION

Windows Clusters For HA and DR
Domain Controller (DC) Configuration
Active Directory (AD) Accounts, Use
SAN [Storage Area Network] and LUN
Public IP Address, Private IP Address
Windows Level Clusters, MSCS Service
DNS Tools, Actions & Adding AA Hosts
SQL Clustering Service & RAID Levels
RAID Levels for Data Files & Log Files
SQL Cluster Groups, Domain Accounts
Active-Active, Active-Passive Clusters
Quorum and MSDTC Disks. LUN Grows
MSCS Service Startup Options, Drains
Need for Always – On Availability (AAG)

ALWAYS ON AVAILABILITY

Always On Availability Group [AOAG]
Synchronous and Asynchronous Modes
Policy Based Management for AOAG
Facets and Conditions for Policies
Backup Preferences, Location Options
Synchronization, Automated Seeding
Data Synchronization for AOAG
Port Settings, Backup Strategies in AAG
AOAG Verifications and Dashboards
Adding Availability Replica, Database
Adding Availability Listeners and DNS
Automated Failovers, Manual Failovers
Always-On Availability Groups Health
AAA Hosts, Forward Lookup Zones

PATCHES, UPGRADES, CUs

Establishing Downtime For Maintenance
Precautions for Maintenance Activities
DB Backups, Scripting and Services
Service Packs and Patch/Hotfix Activities
Cumulative Updates (CU), Hotfix Process
Instance Selectivity for Updates, Cautions
Verifications, Smoke Test and Rollbacks
Multi Instance Updates & Port Changes
SERVER Upgrades & VERSION Changes
Silent Installation & Installation Repairs
Verifications, Smoke Test and Rollbacks
System Database REBUILDs using CMD
Silent Installation & Installation Repairs
SQLCMD Tool and Instance Connections
DAC : Dedicated Administration Console
Service Startup Issues and Solutions

SQL DBA PROJECT – Level 2

Server Down Issues and Solutions
Database Down Issues and Solutions
Data Missing Issues and Solutions
Hot CPU and Resource Allocations
Port Level Issues and Solutions
Online & Offline Backups, Certificates
Ticketing Tools : SLA & OLA Concepts
Incident Management and Ticketing
Immediate, High and Medium Priority
Levels of Support for Production DBA
3rd Party Tools and Real-time Use
Automated Backups, Log File Readers
Licensing and Pricing Options, CALs
Device CALs and User CALs
Multiplexing with Server Licenses