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This platform provides a range of tests covering various subjects such as Oracle Proficiency Test, PostgreSQL Proficiency Test, SQL Server Proficiency Test, Linux Proficiency Test, and ASP.NET. Each test is designed to assess your knowledge and skills across different difficulty levels, from beginner to expert. To get started, please select a category by clicking on the corresponding link below.

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Oracle Beginner Proficiency Test

Oracle Intermediate Proficiency Test

Oracle Expert Proficiency Test

SQL Server Beginner Proficiency Test

SQL Server Intermediate Proficiency Test

SQL Server Expert Proficiency Test

PostGreSQL Beginner Proficiency Test

PostGreSQL Intermediate Proficiency Test

PostGreSQL Expert Proficiency Test

Linux Beginner Proficiency Test

Linux Intermediate Proficiency Test

Linux Expert Proficiency Test

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Last updated in December, 2024

Cloud Technology

Software as a Service (SaaS)
Understanding SaaS
Platform as a Service (PaaS)
Understanding PaaS

Infrastructure as a Service (IaaS)
Understanding IaaS
Understanding Private Cloud
Private Cloud Insights
Understanding Hybrid Cloud
Hybrid Cloud Insights
Understanding Kubernetes | K8s
Kubernetes Overview
Kubernetes Commands for Beginners
Essential K8s Commands
Kubernetes Best Practices
Optimizing K8s Deployment
Managing Kubernetes
K8s Cluster Management
CI/CD Pipeline
Automating Development Workflows
AWS Security Groups
Understanding Stateful Security
Microservices | Stateful vs Stateless
Comparing Stateful and Stateless
Cloud Data Protection
Securing Cloud Data

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Oracle Database

How to install Oracle 21c on Linux?
Step-by-Step guide for Oracle 21c installation
How to Install Oracle 19c on Linux?
Step-by-Step guide for Oracle 19c installation
Automating Database Startup and Shutdown
Using systemd to manage Oracle Database
How to Configure DataGuard in Oracle
DataGuard configuration step-by-step
Oracle AWR Report
Understanding Oracle AWR reports
SQL AWR Reports
Understanding SQL AWR reports in Oracle
Oracle Explain Plan | Execution Plans
Understand Oracle execution plans
Identifying Top Current SQL Queries
SQL queries consuming time in Oracle
How to Identify and Troubleshoot Deadlocks
Resolving Oracle deadlock issues
Identifying Historically Expensive SQLs
Optimize expensive queries in Oracle
Identifying Top Current SQL Queries
Fix time-consuming SQL queries in Oracle
Dynamic CPU Scaling | Resource Manager
Managing CPU resources in Oracle
How to Configure Huge Pages in Oracle
Setting up huge pages in Oracle
Checking Tablespace Usage in Oracle
Monitor and manage tablespace usage
Oracle 19c Flashback Database
Learn Oracle 19c flashback feature
Oracle Data Pump - expdp and impdp
Learn Oracle Data Pump commands
How to Resolve ORA-01403: No Data Found
Fix the ORA-01403 error in Oracle
ORA-12537: TNS: Connection Closed
Fix TNS connection closed errors
ORA-20001: Maximum Web Service Requests
Fix the ORA-20001 error in Oracle
Resolving ORA-3135: Connection Lost
Fix the ORA-3135 connection error

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MSSQL Database

Optimizing SQL Server on VMware
Best practices for SQL Server
SQL Server TempDB Best Practices
Best practices for TempDB performance
Updating Database Statistics in SQL
Update SQL Server statistics
SQL Query to Find Unused Indexes
Find unused indexes in SQL Server
How to get SQL Server config details
Retrieve SQL Server config info
How to find Missing Indexes
Find missing indexes in SQL Server
How to find table and index stats
Find table & index stats in SQL Server
Sessions Blocking chain tree
View blocking chain sessions
Identifying Blocking Sessions
Locking & blocking sessions
Identifying Locked Rows in Tables
Locked rows in SQL Server
Identifying Current session Locks
Identify current session locks
Index Usage Statistics
Understand index usage stats
Monitoring Application Sessions
Monitor sessions with T-SQL
Exploring Database with T-SQL
Explore SQL Server database
SQL Server query plan cache
Query plan cache in SQL Server
Database I/O Latency
Analyze I/O latency
Managing Index Fragmentation
Handle index fragmentation
Managing Fragmented Tables
Handle fragmented tables
Understanding Lock Escalations
Lock escalation management
Identifying Top Wait Events
Top SQL wait events

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PostGres Database

PostgreSQL Anonymizer: Data Masking
Data masking in PostgreSQL
How to Install PostgreSQL on Linux?
Install PostgreSQL on RedHat Linux
Handful PostgreSQL Commands
Commonly used PostgreSQL commands
How to Restart the PostgreSQL Service
Restart PostgreSQL service on Linux
How to Install Extensions in PostgreSQL?
Install PostgreSQL extensions
Generating a UUID in PostgreSQL
Create a UUID in PostgreSQL
Postgres Host Authentication Methods
Understand Postgres auth methods
Understanding pg_catalog Schema
Understand pg_catalog schema in PostgreSQL
Troubleshooting Blocked Queries
Fix long-running or blocked queries
Analyze Postgres Performance with Logging
Logging activity & pgBadger for performance
Optimizing PostgreSQL: Shared Buffers
Tuning shared buffers for PostgreSQL
PostgreSQL Vacuuming Best Practices
Best practices for vacuuming in PostgreSQL
Analyzing and Vacuuming Tables in Postgres
Vacuum and analyze tables in PostgreSQL
Best Practices for Managing Postgres Stats
Manage PostgreSQL statistics effectively
Tracking SQL Statements with pg_stat
Track SQL statements in PostgreSQL
pg_hint_plan: Control Execution Plans
Control execution plans in PostgreSQL
Understanding PostgreSQL Cache Hit Ratio
Analyze PostgreSQL cache hit ratio
Resolving Password Authentication Failed
Fix password authentication issues
Resolving FATAL: Database does not exist
Fix database not found error
Understanding and Analyzing Index Usage
Analyze index usage in PostgreSQL

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Linux

How to Configure Swap Space in Linux?
How to configure swap space in Linux
How to Install Oracle VirtualBox on Windows
How to install Oracle VirtualBox on Windows
Installing RHEL Linux 9 on a Virtual Machine
How to install RHEL Linux 9 on VM
How to Change Hostname in Linux?
How to change the hostname in Linux
How to Configure an Offline YUM Repository?
How to set up offline YUM repo in RHEL 9
How to Set Up the X Display in Linux?
How to set up X display in Linux
Adding a New Disk to VM in Linux?
How to add new disk to Linux VM
How to Install Linux 8 on a VM?
How to install Linux 8 on VM

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ASP/C#

How to Encrypt a Connection String in .NET
Secure web.config connection string
Resolving 'ConfigProtectionProvider' Error
Fix 'ConfigProtectionProvider is Not Allowed' error
How to Secure Session Variables in .NET
Secure session variables in ASP.NET
Logging Event Auditing Information in .NET
Log events and audits in ASP.NET
Implementing a Simple CAPTCHA in .NET
Add CAPTCHA to forms in ASP.NET

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Online Tests

Oracle Proficiency Test
Over 100+ Questions & Answers for Oracle
SQL Server Proficiency Test
Over 100+ Questions & Answers for SQL Server
PostGreSQL Proficiency Test
Over 90+ Questions & Answers for PostgreSQL
Linux Proficiency Test
Over 100+ Questions & Answers for Linux
Basic MSSQL Objective Questions
Basic MSSQL Assessments for Beginners
Advanced MSSQL Objective Questions
Level 2 MSSQL Objective Assessments
Expert MSSQL Objective Questions
Level 3 MSSQL Objective Assessments
Basic Postgres Objective Questions
Basic PostgreSQL Assessments for Beginners
Advanced Postgres Objective Questions
Level 2 PostgreSQL Objective Assessments
Expert Postgres Objective Questions
Level 3 PostgreSQL Objective Assessments

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