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.

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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2021 Awards MSSQLTips award

2020 Awards MSSQLTips award

2019 Awards MSSQLTips award

2017 Awards MSSQLTips award

2016 Awards MSSQLTips award

2015 Awards MSSQLTips award

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
Other Database Platforms	Working with SQL Server and Snowflake NULL Functions - ISNULL, COALESCE, NULLIF
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
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 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 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
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
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 COMMITED 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	Exploring SQL Server 2014 Table Variables
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 Global Temporary Table Visibility
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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