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====== Mystic Help ======

===== Advanced Search =====

The **[Advanced Search]** option allows readers to perform specific searches on the database in a more targeted fashion than the general search feature.

{{ :pergamonmystic:linkedhelp:mystichelp_opac_0011.jpg?direct&600 |}}

Initially, the **Advanced Search** option provides a single search criteria field into which a required word or phrase can be entered. The first field provided is initially set to search only the **Title** field with a wildcard **Contains** search profile (i.e. the word or phrase can exist anywhere within the title field).

Clicking the **[Search]** button beneath the search criteria text field will start the search on the database, and display matching records.

=== Changing the Search Field ===

The targeted field for a search criteria can be changed by clicking the first drop-down menu on the row. The data fields targeted can be:

  * Contributor (including authors, illustrators, editors etc.)
  * Publisher
  * Series
  * Category (may only be available on some license levels)
  * Keyword
  * Language (may only be available on some license levels)
  * Subject
  * Location
  * Audience


=== Changing the Comparison Type ===

The type of comparison that will be made against the targeted field can be changed by clicking the second drop-down menu in the row. The types of comparison that can be made are:

  * **Contains** (the word or phrase can be at any point within the targeted field, and affixed by further text or none)
  * **Equals** (the entire word of phrase must match the contents of the targeted field exactly)
  * **Does not equal** (the entire word of phrase must **not** match the contents of the targeted field exactly)
  * **Begins with** (the targeted field starts with the word or phrase, but then can continue with further text or none)
  * **Ends with** (the targeted field ends with the word or phrase, but can start with additional text or none)
  * **Less than** (the targeted field is textually less than the word or phase: a < b)
  * **Greater than** (the targeted field is textually greater than the word or phrase: b > a)
  * **Less than or equal to** (the targeted field is textually less than or equal to the word or phrase)
  * **Greater than or equal to** (the targeted field is textually greater than or equal to the word or phrase)

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==== Adding Further Search Criteria ====

Additional search criteria can be added and removed from the list of criteria by clicking the **[+]** and **[-]** symbols at the end of a row. If there is only a single row in the criteria list, only the **[+]** symbol will appear so that you can never remove the last remaining criteria row.

All rows after the first are given an additional prefixing drop-down menu containing the boolean options **[AND]** and **[OR]** which can be used to determine how each additional criteria row is integrated into the overall search.

{{ :pergamonmystic:linkedhelp:mystichelp_opac_0012.jpg?direct&600 |}}
For example:

  * Row1 **AND** Row2 - the criteria in row 1 **AND** the criteria in row 2 must both be true for a specific record to be returned and displayed on the screen.

  * Row1 **OR** Row2 - the criteria in row 1 **OR** the criteria in row 2 can either be true for a specific record to be returned and displayed on the screen.



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Next: [[PergamonMystic:linkedhelp:listsandprojects|OPAC - Lists and Projects >>]]
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