SQL LEFT function in queries
T-SQL: RIGHT, LEFT, SUBSTRING and CHARINDEX Functions - TechNet Articles - United States (English) - TechNet Wiki
SQL trim function - w3resource
TRIM function in Sql Server | SqlHints.com
Функции TRIM, LTRIM и RTRIM в T-SQL – описание, отличия и примеры | Info-Comp.ru - IT-блог для начинающих
TRIM Function In SQL Server 2017
Understanding the SQL LTRIM() Function By Practical Example
SQL LEFT function in queries
dbi Blog
TRIM() in T-SQL – SQLServerCentral
Transact-SQL: Working With Strings - {coding}Sight
SQL TRIM() - SqlSkull
SQL SERVER – TRIM – How to remove leading and trailing characters/Spaces from string | SQL Server Portal
SQL SERVER – TRIM – How to remove leading and trailing characters/Spaces from string | SQL Server Portal
SQL Substring Examples for T-SQL, R and Python
SQL TRIM function
TRIM Function In SQL Server 2017
PostgreSQL LEFT() function - w3resource
Learn SQL SUBSTRING Function
SQL SERVER - Performance Observation of TRIM Function - SQL Authority with Pinal Dave
SQL Server - Performance Comparison of Function Trim and LTRIM(RTRIM) - SQL Authority with Pinal Dave
SQL TRIM function
Функции TRIM, LTRIM и RTRIM в T-SQL – описание, отличия и примеры | Info-Comp.ru - IT-блог для начинающих
Remove leading spaces | SqlHints.com
