T-SQL Querying: Writing a SELECT Statement
by John Deardurff
English | 2018 | MP4 | Video: 720 | Subtitles: no | Duration: 48m | 192 MB

This video provides you with the knowledge to write SELECT statements to retrieve data from a SQL Server database. The video begins with an explanation of fields and records, followed by the anatomy of a SELECT statement. It continues with how to use a WHERE clause to filter specific records into the result set. Since a field can store various data types, the filter section shows how to work with those data types. Finally, there is coverage of how to sort and order a result set.
Also covered is the four-part naming convention for tables in SQL Server. A proper understanding of table naming is important as queries become more involved and complex. Table and column aliases are covered as well, which are names that you can provide as substitutes for canonical names that are often long and cumbersome. Aliases provide a level of insulation in your queries from changes to names in the tables and columns that are being queried.
While this video is about T-SQL and includes examples specific to SQL Server, the bulk of what you will learn is applicable to any vendor's implementation of the SQL language.

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