Search for	Example	Results
A single word	`cat`	Topics that contain the word "cat". You will also find its grammatical variations, such as "cats".
A phrase. You can specify that the search results contain a specific phrase.	`"cat food"` (quotation marks)	Topics that contain the literal phrase "cat food" and all its grammatical variations. Without the quotation marks, the query is equivalent to specifying an OR operator, which finds topics with one of the individual words instead of the phrase.

Search for	Operator	Example
Two or more words in the same topic	`AND` `and` `+` (plus symbol) `&` (ampersand)	`cat AND dog` `"cat food"+milk` `"cat food"&"dog food"`
Either word in a topic	`OR` `or` `\|` (pipe)	`cat OR dog` `cat \| dog`
Topics that do not contain a specific word or phrase	`NOT` `not` `!` (exclamation point)	`NOT cat` `! dog`
Topics that contain one string and do not contain another	`^` (caret)	`cat ^ mouse`
A combination of search types	`( )` parentheses	`cat + (dog \| mouse)` `cat \| dog + (! mouse)`

Service Management2017.11

Administer > Database administration > Data persistence > Keys and indexes in HPE Service Manager > Regenerating database keys

Regenerating database keys

Database keys provide efficient, organized access to records in a table. The keys define a hierarchical tree of indexes associated with the actual data records. Regenerating database keys discards and then regenerates the existing index tree for a table. The regeneration process examines each data record in the table and then adds indexes to the new index tree for each record. Key regeneration is a time-consuming process that can take up to several hours on large databases and is only necessary for IR keys.

Note When regenerating the keys to a file, ensure that other users are not accessing the file. The regeneration process will interrupt all activity in progress on the file being regenerated.

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