People prefer to keep complex data sets in databases rather than in flat files because data can be found and grouped more precisely when it is stored in a database. The ability to draw data out of a database depends upon the ability to structure queries, or requests that define specific records. Structuring queries in Access 2007 is relatively easy because Access is designed to handle many different types of operators. An operator is a special symbol or reserved word […]

Tags: Access 2007, Access database 2007, Access Databases, Access Relational Databases, calculate in a query, Expression Builder tool, operators, RDMBS, structured queries