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Tutorial 4 Microsoft Access 2007 and SQL

Tutorial 4 Microsoft Access 2007 and SQL - Tutorial4...

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Tutorial 4 Microsoft Access 2007 and SQL Learning About SQL For a relational database, the instructions for finding records are written in the form of  queries in Structured Query Language (SQL), which is a computer language for  manipulating data in a relational database. SQL queries also enable database users to  add new records or change or delete records in a database that meets some criterion.  The Query By Example (QBE) system that you have been using to query databases  takes the design you give it and converts it into SQL when it actually queries the  database. In the SQL statement, the SELECT keyword designates which fields will be displayed as  a result of the query, the FROM keyword designates which tables are to be searched,  and the WHERE keyword specifies the search criteria or query condition to be used in  finding records. In our use of SQL, we will put keywords in uppercase to make them  stand out. In practice, you don’t necessarily type them in uppercase. In addition to the SELECT keyword, there are keywords that can be used to CREATE a 
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