SQL Server: SUBSTRING Function. This SQL Server tutorial explains how to use the SUBSTRING function in SQL Server (Transact-SQL) with syntax and examples. In SQL Server (Transact-SQL), the SUBSTRING functions allows you to extract a substring from a string.
Table of Contents There are many ways to get information. The most common research methods are: literature searches, talking with people, focus groups, personal interviews, telephone surveys, mail surveys, email surveys, and internet surveys.A literature search involves reviewing all readily available materials.able of Contents There are many ways to get information. The most common research methods are: literature searches, talking with people, focus groups, personal interviews, telephone surveys, mail surveys, email surveys, and internet surveys.
It has been noted to be divisible into two types; 1  Exploratory research which is used where the researcher does not have extensive or has limited knowledge of the research area. The interview technique is often used as the primary method of data collection under this strategy.