Sergey Gigoyan

Sergey Gigoyan
Sergey Gigoyan is a database professional with more than 10 years of experience, with a focus on database design, development, performance tuning, optimization, high availability, BI and DW design.

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Sergey Gigoyan is a database professional (MCSE: Data Platform, MCITP, OCP) with more than 10 years of experience, with a focus on database design and development, performance tuning and optimization, high availability solutions, BI development and DW design. He has worked with SQL Server 2000/2005/2008/2012/2014, Oracle, PostgreSQL databases. He has designed and developed database and DW systems for banking, trading, financial and sales areas. He is now working at Oracle Armenia as a Principal Database Developer. He is continuously developing his professional skills to keep pace with new technologies.

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Category Tip Title
Auditing and Compliance Auditing Failed SQL Server Transactions Using Table Variables
Backup Backup Database Task in SQL Server Maintenance Plans
Backup SQL Server Backups and Transaction Log Questions
Data Types SQL Server Bit Data Type
Data Warehousing SQL Server vs. Snowflake for Data Warehousing
Database Administration Capture SQL Server Connectivity Errors in the ERRORLOG
Database Administration Move SQL Server Tables to Different Filegroups
Database Administration Remove Unnecessary SQL Server Transaction Log Files
Database Administration SQL Server Move Database Files Step By Step
Database Administration Synchronizing SQL Server data using rowversion
Database Design Find and Remove Duplicate Rows from a SQL Server Table
Database Design SQL Server Management Studio Database Diagram Support Objects Cannot be Installed
Database Mirroring Configure SQL Server Database Mirroring using T-SQL
Debugging Some Tricky Situations When Working with SQL Server NULLs
Debugging Using SQL Server Profiler to Capture Stored Procedures Executions
Encryption Storing passwords in a secure way in a SQL Server database
Error Handling SQL Server transaction count after EXECUTE indicates a mismatching number of BEGIN and COMMIT statements
Extended Events Capture Executions of Stored Procedures in SQL Server
Import and Export Using Global Temporary Staging Tables for SQL Server Data Importing
Indexing Difference between SQL Server Unique Indexes and Unique Constraints
Indexing SQL Server Maintenance Plan Reorganize Index and Update Statistics Tasks
Indexing SQL Server Maintenance Plans Rebuild Index Task
Install and Uninstall Error Installing .NET 3.5 for SQL Server
Install and Uninstall Install SQL Server from Configuration File with Installation Center
Integration Services Development Install SQL Server Integration Services in Visual Studio 2019
Integration Services Security Connecting to Integration Services Access is Denied in SQL Server 2016 or 2017
JOIN Tables Joining SQL Server tables using large character type columns
Locking and Blocking Compare Repeatable Read and Serializable SQL Server Transaction Isolation Levels
Locking and Blocking Compare SQL Server NOLOCK and READPAST Table Hints
Locking and Blocking Monitor Deadlocks in SQL Server with system_health Extended Events
Locking and Blocking Setting SQL Deadlock Priority to Control the Transaction that is Rolled Back
Locking and Blocking SQL Server UPDATE lock and UPDLOCK Table Hints
Maintenance Create a New SQL Server Maintenance Plan with the Maintenance Plan Designer
Maintenance Getting Started with SQL Server Maintenance Plans - Part 1
Maintenance SQL Server Maintenance Plan Execute T-SQL and SQL Server Agent Job Tasks
Maintenance SQL Server Maintenance Plan Shrink Database Task
Maintenance SQL Server Maintenance Plans History Cleanup Task
Maintenance SQL Server Maintenance Plans Maintenance Cleanup Task
Maintenance Transfer SQL Server Maintenance Plans Between Servers
Professional Development Interview Questions Developer SQL Server Interview Questions for Developers on Querying
Referential Integrity SQL Server Referential Integrity without Foreign Keys
Restore Issues with SQL Server Permissions to Restore a Database
Restore Solve Common SQL Server Restore Issues
Security SQL Server Dynamic Data Masking in Practice
Snowflake Behavior of Scoped Transactions in Snowflake
Snowflake Compare Snowflake vs SQL Server GREATEST and LEAST Functions
Snowflake Convert OUTER APPLY and CROSS APPLY Joins for Snowflake using LEFT JOINS
Snowflake How Snowflake Creates and Detects Deadlocks
Snowflake Learn Snowflake Constraints Primary Key, Unique Key, Foreign Key and Not Null
Snowflake Snowflake DDL and DML Statements in Transactions compared to SQL Server - Part 2
Snowflake Snowflake Dynamic Data Masking Examples
Snowflake Snowflake for Microsoft SQL Server Developers - Transactions - Part 1
Snowflake Snowflake for SQL Server Developers - NULL Functions - Part 2
Snowflake Snowflake for SQL Server Developers - Transactions in Stored Procedures
Snowflake Snowflake Resource Monitors to Track Resource Usage
Snowflake Snowflake SELECT Statement Capabilities
Snowflake Snowflake Temporary Tables and Transient Tables vs. SQL Temporary Tables
Snowflake Snowflake Temporary Tables vs. Transient Tables
Snowflake Useful Commands for Snowflake Transactions
Snowflake Using Stored Procedures inside Snowflake Transactions
Snowflake Working with SQL Server and Snowflake NULL Functions - ISNULL, COALESCE, NULLIF
SQL Server Configurations How to Check SQL Server Version When Service is Not Running
SQL Server Configurations Setting a fixed amount of memory for SQL Server
SQL Server Configurations SQL Server Configuration Manager Error The Parameter is Invalid
SQL Server Management Studio Debugging T-SQL Code in SQL Server Management Studio
SQL Server Management Studio Executing large scripts in SQL Server Management Studio with Insufficient Memory Failures
SQL Server Management Studio How to Install SQL Server Management Studio on your Local Computer
SQL Server Management Studio SQL Server Database Diagram Index was Outside the Bounds of the Array
SQL Server Management Studio SQL Server Management Studio Connection to Integration Services Error Class Not Registered
SQL Server Management Studio SQL Server Management Studio Tips Generating Scripts
SQL Server Management Studio SQL Server Single User Mode Connection with SQL Server Management Studio
SQL Server Management Studio Configuration SQL Server Management Studio Productivity Tips
SQL Server Management Studio Configuration SQL Server Management Studio Recovery, Reporting, Key Combinations and Efficiency Tips
System Databases Five facts about the SQL Server Master Database
System Databases Five facts about the SQL Server Model Database
System Databases Five facts about the SQL Server MSDB Database
System Databases Five Facts about the SQL Server Resource Database
System Databases Five facts about the SQL Server Tempdb Database
System Databases How to Rebuild the SQL Server Tempdb Database
System Databases Move SQL Server Files for Master Database
System Databases Move SQL Server System Database Files - Part 1
System Databases Rebuild System Databases in SQL Server
Temp Tables Exploring SQL Server 2014 Table Variables
Temp Tables SQL Server Global Temporary Table Visibility
Transactions DDL commands in SQL Server with Examples for Snapshot Isolation Level
Transactions DDL commands in Transactions in SQL Server versus Oracle
Transactions Handling SQL Server transactions in nested stored procedures using Savepoints
Transactions SQL Server READ_COMMITTED_SNAPSHOT Database Option and READ COMMITTED Transaction Isolation Level
Transactions Understanding SQL Server Transaction Savepoints
TSQL Compare SQL Server Features - Decimal vs Numeric, Timestamp vs Rowversion, Unique Index vs Unique Constraint
TSQL Comparing PARSEONLY and NOEXEC options in SQL Server
TSQL Comparison of SQL Server Serializable and Snapshot isolation levels
TSQL Creating a table using the SQL SELECT INTO clause - Part 1
TSQL Find MAX value from multiple columns in a SQL Server table
TSQL Handling Transactions in Nested SQL Server Stored Procedures
TSQL READ_COMMITTED_SNAPSHOT and SNAPSHOT_ISOLATION levels in SQL Server
TSQL SQL SELECT INTO Examples for New Tables - Part 2
TSQL SQL Server CASE Statement Example
TSQL SQL Server LIKE Syntax with Wildcard Characters
TSQL SQL Statements Where Semicolon is Required
TSQL Write more compact SQL Server code using new features
TSQL Write More Compact SQL Server Code Using New Features - Part 2
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CategoryGroup Category (articles)
Analysis Services Analysis Services Administration (33)
Analysis Services Analysis Services Development (95)
Analysis Services Analysis Services Dimensions (16)
Analysis Services Analysis Services Measure Groups (7)
Analysis Services Analysis Services Performance (14)
Analysis Services Analysis Services Security (7)
Analysis Services Analysis Services Tutorials (6)
Business Intelligence Artificial Intelligence (24)
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Business Intelligence Data Science (3)
Business Intelligence Data Warehousing (7)
Business Intelligence Import and Export (82)
Business Intelligence R Language (11)
Business Intelligence Snowflake (29)
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Cloud Amazon AWS RDS (21)
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Cloud Azure Cosmos DB (15)
Cloud Azure Functions (7)
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Cloud Cloud Strategy (25)
Cloud Google Cloud (10)
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Cloud Analytics Azure Synapse Analytics (43)
Cloud Analytics Microsoft Fabric (20)
Data Quality Data Cleansing for Validation (4)
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Data Quality Master Data Services (41)
Database Administration Central Management Servers (10)
Database Administration Comparison Data and Objects (14)
Database Administration Database Administration (208)
Database Administration DBA Best Practices (39)
Database Administration Dedicated Administrator Connection (4)
Database Administration Scripts (35)
Database Administration System Databases (31)
Database Configuration Compression (22)
Database Configuration Database Configurations (19)
Database Configuration Database Mail (18)
Database Configuration FILESTREAM (9)
Database Configuration Full Text Search (21)
Database Configuration In Memory OLTP (32)
Database Configuration Linked Servers (18)
Database Configuration Policy Based Management (29)
Database Configuration Recovery Models (4)
Database Configuration Resource Governor (5)
Database Configuration SQL Server Configurations (75)
Database Design Constraints (20)
Database Design Data Types (22)
Database Design Database Design (92)
Database Design Identities (17)
Database Design JOIN Tables (23)
Database Design Synonyms (5)
Database Design Table Valued Parameters (4)
Database Design Temp Tables (16)
Database Design Temporal Tables (13)
Database Design User Defined Type UDT (3)
Database Design Views (17)
Database Development Application Development (46)
Database Development Common Runtime Language (13)
Database Development Debugging (4)
Database Development DevOps (37)
Database Development Entity Framework (13)
Database Development Language Integrated Query LINQ (7)
Database Development Paging (5)
Database Development Referential Integrity (5)
Database Development Service Broker (11)
Database Development Testing (32)
Database Development XML (14)
Database Maintenance Database Console Commands DBCCs (25)
Database Maintenance Fragmentation and Index Maintenance (28)
Database Maintenance Maintenance (34)
Disaster Recovery / High Availability Availability Groups (81)
Disaster Recovery / High Availability Backup (81)
Disaster Recovery / High Availability Clustering (77)
Disaster Recovery / High Availability Database Mirroring (33)
Disaster Recovery / High Availability Disaster Recovery (23)
Disaster Recovery / High Availability High Availability (3)
Disaster Recovery / High Availability Log Shipping (18)
Disaster Recovery / High Availability Replication (78)
Disaster Recovery / High Availability Restore (42)
Functions Dates (56)
Functions Functions System (99)
Functions Functions User Defined UDF (41)
Infrastructure Contained Databases (4)
Infrastructure Containers (12)
Infrastructure Hardware (14)
Infrastructure Spatial Data Storage (9)
Infrastructure Virtualization (25)
Integration Services Admin Integration Services Administration (10)
Integration Services Admin Integration Services Best Practices (12)
Integration Services Admin Integration Services Configuration Options (22)
Integration Services Admin Integration Services Performance (12)
Integration Services Admin Integration Services Security (7)
Integration Services Admin Integration Services Upgrade (4)
Integration Services Development Data Transformation Services (6)
Integration Services Development Integration Services Analysis Services Tasks (5)
Integration Services Development Integration Services Connection Managers (5)
Integration Services Development Integration Services Control Flow Transformations (14)
Integration Services Development Integration Services Data Flow Transformations (19)
Integration Services Development Integration Services Development (116)
Integration Services Development Integration Services Error Handling (8)
Integration Services Development Integration Services Excel (14)
Integration Services Development Integration Services Execute Package Options (8)
Integration Services Development Integration Services Oracle (4)
Microsoft Office Microsoft Access Integration (8)
Microsoft Office Microsoft Excel Integration (45)
Microsoft Office Microsoft Flow (1)
Other RDBMS Other Database Platforms (16)
Other RDBMS PostgreSQL (11)
Other RDBMS SQL Server and Oracle Comparison (29)
Other RDBMS SQL Server on Linux (78)
Other RDBMS SQL Server vs Oracle vs PostgreSQL Comparison (20)
Performance Dynamic Management Views and Functions (34)
Performance Error Logs (11)
Performance Extended Events (22)
Performance Indexing (94)
Performance Locking and Blocking (43)
Performance Monitoring (110)
Performance Partitioning (17)
Performance Performance Data Warehouse (4)
Performance Performance Tuning (124)
Performance Profiler and Trace (20)
Performance Query Optimization (15)
Performance Query Plans (20)
Performance Query Store (7)
Power Platform Power Apps (20)
Power Platform Power BI (173)
Power Platform Power BI Charts (58)
Power Platform Power BI Formatting (17)
Professional Development Professional Development Branding (16)
Professional Development Professional Development Career (18)
Professional Development Professional Development Career Planning (20)
Professional Development Professional Development Certifications (63)
Professional Development Professional Development Community (16)
Professional Development Professional Development Interview Questions BI (18)
Professional Development Professional Development Interview Questions DBA (23)
Professional Development Professional Development Interview Questions Developer (9)
Professional Development Professional Development Interviewing (39)
Professional Development Professional Development Job Search (24)
Professional Development Professional Development Management (14)
Professional Development Professional Development Resume (13)
Professional Development Professional Development Skills Development (18)
Python Python (91)
Reporting Services Admin Reporting Services Administration (21)
Reporting Services Admin Reporting Services Best Practices (6)
Reporting Services Admin Reporting Services Configuration (10)
Reporting Services Admin Reporting Services Installation (10)
Reporting Services Admin Reporting Services Migration (5)
Reporting Services Admin Reporting Services Monitoring (5)
Reporting Services Admin Reporting Services Network Load Balancing (4)
Reporting Services Admin Reporting Services Performance (6)
Reporting Services Admin Reporting Services Security (8)
Reporting Services Development Reporting Services Analysis Services (4)
Reporting Services Development Reporting Services Charts (25)
Reporting Services Development Reporting Services Data Sources (10)
Reporting Services Development Reporting Services Development (67)
Reporting Services Development Reporting Services Dynamic Reports (11)
Reporting Services Development Reporting Services Formatting (26)
Reporting Services Development Reporting Services KPI (5)
Reporting Services Development Reporting Services Overview (5)
Reporting Services Development Reporting Services Parameters (15)
Reporting Services Development Reporting Services Report Builder (9)
Security Auditing and Compliance (47)
Security Encryption (35)
Security Security (199)
Security SQL Injection (5)
Security Surface Area Configuration Manager (4)
SharePoint SharePoint (131)
SharePoint SharePoint Administration (46)
SharePoint SharePoint Configuration (27)
SharePoint Sharepoint Design (46)
SharePoint SharePoint Document Management (20)
SQL Coding Change Data Capture (16)
SQL Coding Common Table Expressions (4)
SQL Coding Dynamic SQL (7)
SQL Coding Error Handling (11)
SQL Coding Stored Procedures (31)
SQL Coding Transactions (9)
SQL Coding Triggers (44)
SQL Coding TSQL (343)
Tools Azure Data Studio (18)
Tools PowerShell (131)
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Tools SQL Server Agent (95)
Tools SQL Server Management Objects SMO (3)
Tools SQL Server Management Studio (78)
Tools SQL Server Management Studio Configuration (22)
Tools SQL Server Management Studio Shortcuts (9)
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Versions Licensing (4)
Versions SQL Server 2016 (96)
Versions SQL Server 2017 (44)
Versions SQL Server 2019 (20)
Versions SQL Server 2022 (21)
Versions Upgrades and Migrations (55)










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