Microsoft SQL Server is a relational database management system that is used to store, organize and manage large volumes of data. They are commonly used by organizations to manage their data infrastructure for applications, business intelligence and reporting, analysis and data warehousing. It uses the SQL language to retrieve and manipulate data and can be hosted on-premises or in the cloud. Those skilled in Microsoft SQL Servers are highly desired in the IT industry due to its widespread usage.

Microsoft Visual SourceSafe is a version control system used to manage and track changes to software code and other files. It allows multiple developers to work on the same codebase simultaneously without interfering with each other's work, and provides a history of changes made to the codebase over time. It also provides features such as branching and merging, label and version management, and security controls.

SQL Server Management Studio is a software tool used by database administrators and developers to manage and maintain databases on Microsoft SQL Server. It allows users to perform tasks such as creating databases, managing security, writing and executing queries, and analyzing database performance. It includes features such as Intellisense to assist with coding, graphical query builders, and the ability to import and export data. The tool allows users to view and manage multiple servers and databases, making it a valuable resource for maintaining large-scale databases in enterprise environments.

Stored Procedure refers to a set of precompiled SQL statements that are stored in a database and can be executed as a single unit. This skill involves writing and managing these procedures to perform operations such as data manipulation, retrieval, and complex calculations efficiently. Knowledge of Stored Procedure is used to enhance database performance, ensure data integrity, and automate repetitive tasks by encapsulating business logic within the database.

Transact-SQL (T-SQL) is a programming language used to communicate with Microsoft SQL Server. It is an extension of the Structured Query Language (SQL) and provides additional programming features such as variables, loops, and conditional statements. T-SQL is used to query, insert, update, and delete data from SQL Server databases, as well as create database objects such as tables, views, and stored procedures. It is an important skill for developers and database administrators who work with SQL Server.