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.
Statistics: Scientific method Â· Research methods Â· Experimental design Â· Undergraduate statistics courses Â· Statistical tests Â· Game theory Â· Decision theory. Unobtrusive research (or unobtrusive measures) is a method of data collection used primarily in the social sciences.The term unobtrusive measures was first coined by Webb, Campbell, Schwartz, & Sechrest in a 1966 book titled Unobtrusive methods: Nonreactive research in the social science.They described methodologies which do not involve direct elicitation of data from the research subjects.nobtrusive measures are contrasted with interviews and questionnaires, in that they try to find indirect ways to obtain the necessary data. The unobtrusive approach often seeks unusual data sources, such as garbage, graffiti and obituaries, as well as more conventional ones such as published statistics.