Tool name | Description |
---|---|
EInfo | Provides information about available databases or a specific database, such as: the number of indexed records for each searched field, the date of the last update, and available links to other NCBI databases. |
EGQuery | Responds to the query returning the number of records that match the specified, search phrases in any Entrez database. |
ESearch | Responds to the query returning a list of unique identifiers (UID) of records that match the specified query. |
ESummary | For the specified list of UIDs, returns summaries of records from a particular database. |
EPost | Accepts a list of UIDs and sends it to the History Server, returning the appropriate address in the form of parameters: WebEnv and query_key. |
EFetch | Responds to the list of UIDs returning complete records from a specified database. |
ELink | Allows traversing between databases using related UIDs. Returns the list of UIDs of records from a destination database related to the UIDs of records from the source database. |
ESpell | Returns suggestions of the correct spelling for the query entered by the user. |