2. SQL Pronounced “Sequel" 06/24/09 Mrs. Terry Yoast
3. SQL 06/24/09 Mrs. Terry Yoast What do the letters mean? SQL stands for Structured Query Language. What is it used for? SQL is used to communicate with a database Why would I want to learn it? According to ANSI (American National Standards Institute), it is the standard language for relational database management systems.
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5. SQL 06/24/09 Mrs. Terry Yoast The standard SQL commands such as "Select", "Insert", "Update", "Delete", "Create", and "Drop" can be used to accomplish almost everything that one needs to do with a database. So that’s all I have to learn?
6. SQL 06/24/09 Mrs. Terry Yoast We will learn at least the following basic commands: SELECT WHERE INSERT UPDATE DELETE ORDER BY AND & OR IN BETWEEN ALIASES JOIN UNION CREATE DROP ALTER FUNCTIONS GROUP BY SELECT INTO CREATE VIEW TRIGGERS
7. SQL 06/24/09 Mrs. Terry Yoast So that’s all I have to learn? I did mention basic commands! Join, as an example has many variations.
9. SQL 06/24/09 Mrs. Terry Yoast What if I need help? Always use me as your first source. Articles on the Internet are not always updated with the current changes. You may also look for assistance on my wiki: http://tyoastos.pbwiki.com/
10. SQL 06/24/09 Mrs. Terry Yoast If you have ever used an Access Database you have inadvertently used SQL! So that I know I haven’t scared you away from this course, please ask questions!
Editor's Notes
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Cross join, equi and non-equi join, explicit, inner, outer, theta, natural, optimization, redundant data, sequence, union 06/24/09
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06/24/09
Cross join, equi and non-equi join, explicit, inner, outer, theta, natural, optimization, redundant data, sequence, union 06/24/09
