Lesson 2. Retrieving Data
In this lesson, you’ll learn how to use the all-important SELECT
statement to retrieve one or more columns of data from a table.
The SELECT
Statement
As explained in Lesson 1, “Understanding SQL,” SQL statements are made up of plain English terms. These terms are called keywords, and every SQL statement is made up of one or more keywords. The SQL statement that you’ll probably use most frequently is the SELECT
statement. Its purpose is to retrieve information from one or more tables.
New Term: Keyword
A reserved word that is part of the SQL language. Never name a table or column using a keyword. Appendix D, “SQL Reserved Words,” lists some of the more common reserved words.
To use SELECT
to retrieve table data, you ...
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