What kind of sql does access use

OK, nice info. But what does it have to do with the question? I"ll edit to make that clearer. Sign up or log in Sign up using Google. Sign up using Facebook. Sign up using Email and Password.

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A table is a collection of related data entries and it consists of columns and rows. Every table is broken up into smaller entities called fields. A field is a column in a table that is designed to maintain specific information about every record in the table. A record, also called a row, is each individual entry that exists in a table. If you want to use criteria to limit your results, but the field that you want to apply criteria to is used in an aggregate function, you cannot use a WHERE clause.

For example, if you only want the query to return rows if there are more than one e-mail addresses associated with the company, the HAVING clause might resemble the following:. When you want to review all the data that is returned by several similar select queries together, as a combined set, you use the UNION operator. The SELECT statements that you combine must have the same number of output fields, in the same order, and with the same or compatible data types.

When you run the query, data from each set of corresponding fields is combined into one output field, so that the query output has the same number of fields as each of the select statements.

Note: For the purposes of a union query, the Number and Text data types are compatible. When you use the UNION operator, you can also specify whether the query results should include duplicate rows, if any exist, by using the ALL key word.

For example, suppose that you have a table named Products and another table named Services. Both tables have fields that contain the name of the product or service, the price, warranty or guarantee availability, and whether you offer the product or service exclusively. Although the Products table stores warranty information, and the Services table stores guarantee information, the basic information is the same whether a particular product or service includes a promise of quality.

You can use a union query, such as the following, to combine the four fields from the two tables:. SQL syntax. Access SQL: basic concepts, vocabulary, and syntax. Notes: Access ignores line breaks in a SQL statement. Need more help? Expand your skills. Get new features first. Was this information helpful? Yes No. Thank you! Some SQL implementations will automatically cast, or convert, the number to a string.

Others are less flexible and require the developer to perform such a cast explicitly. Skip to main content.