Award: Top 100 most influencing IT people in Bulgaria (2022)

Award: Top 100 most influencing IT people in Bulgaria (2022)

I am among the top 100 most influencing IT people in Bulgaria (2022).

The whole list is here: https://careershow.bg/index/it-influencers

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Microsoft Certified Trainer (MCT)

Microsoft Certified Trainer (MCT)

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Video: Introduction to the SQL Language (Bulgarian)

Video lecture with an introduction to the SQL language.

The video is recorded in 2014 in a training I was delivering in Burgas, Bulgaria.

Topics covered:

  • SQL and T-SQL Languages
  • Introducing the SELECT SQL Statement
    • Allowed Operators
    • The WHERE Clause
    • Sorting with ORDER BY
    • Selecting Data From Multiple Tables
  • Selecting Data From Multiple Tables
    • Natural Joins
    • Join with USING Clause
    • Inner Joins with ON Clause
    • Left, Right and Full Outer Joins
    • Cross Joins
  • Inserting Data
  • Updating Data
  • Deleting Data

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Video: Introduction to SQL Server (Bulgarian)

Video lecture with an introduction to SQL Server.

The video is recorded in 2014 in a training I was delivering in Burgas, Bulgaria.

Topics covered:

  • SQL Server Services
  • Types of Databases
  • Authentication and Permissions
  • SQL Server Management Studio
  • Moving a SQL Server Database
    • Through Backups and Restore
    • By Detaching and Attaching

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Video: Database Systems Summary (Bulgarian)

Video lecture with a brief summary of the database systems.

The video is recorded in 2014 in a training I was delivering in Burgas, Bulgaria.

Topics covered:

  • Database Models
  • Relational Database Model
  • DBMS & RDBMS Systems
  • Tables, Relationships, Multiplicity, E/R Diagrams
  • Normalization
  • Constraints
  • Indices
  • The SQL language
  • Stored Procedures
  • Views
  • Triggers
  • Transactions and Isolation Levels
  • NoSQL Databases

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