CONTAINS(column_name, 'NEAR((AA,BB),5)') The string AA one two three four five BB would be a match. In the following example, the query specifies for three search terms, AA, BB, and CC within a maximum distance of five: SQL Copy CONTAINS(column_name, 'NEAR((AA,BB,CC),5)'...
in the full-text index. If a noise word is used in a single word search, SQL Server returns an error message indicating that the query contains only noise words. SQL Server includes a standard list of noise words in the directory \Mssql\Binn\FTERef of each instance of SQL Server. ...
< } expression | string_expression [ NOT ] LIKE string_expression [ ESCAPE 'escape_character' ] | expression [ NOT ] BETWEEN expression AND expression | expression IS [ NOT ] NULL | expression IS [ NOT ] DISTINCT FROM | CONTAINS ( { column | * } , '<contains_search_condition>' ) ...
適用於:SQL Server 傳回以字串表示的$arg 值。 語法 複製 fn:string() as xs:string fn:string($arg as item()?) as xs:string 引數 $arg 這是節點或不可部分完成的值。 備註 如果 $arg 為空序列,則會傳回長度為零的字串。 如果 $arg 是節點,函式會傳回使用 string-value 存取子取得之節點的...
Per informazioni sui formati di ricerca full-text supportati da SQL Server, vedere Eseguire query con ricerca full-text.Convenzioni di sintassi Transact-SQLSintassisyntaxsql Copia CONTAINS ( { column_name | ( column_list ) | * | PROPERTY ( { column_name }, 'property_name' ) } , '...
Applies to: SQL Server (starting with SQL Server 2012 (11.x)). Prevents the query from using a nonclustered memory optimized columnstore index. If the query contains the query hint to avoid the use of the columnstore index, and an index hint to use a columnstore index, the hints are in...
Applies to: SQL Server (starting with SQL Server 2012 (11.x)). Prevents the query from using a nonclustered memory optimized columnstore index. If the query contains the query hint to avoid the use of the columnstore index, and an index hint to use a columnstore index, the hints are in...
分词是全文引擎的一项重要的功能,通过sys.dm_fts_parser可以分词器对文本分词之后的结果,这也可以用于查看contains 子句产生的分词: sys.dm_fts_parser('query_string', lcid, stoplist_id, accent_sensitivity) 1,查看语句的分词 SELECTfp.keyword, fp.group_id, ...
Applies to: SQL Server (starting with SQL Server 2012 (11.x)). Prevents the query from using a nonclustered memory optimized columnstore index. If the query contains the query hint to avoid the use of the columnstore index, and an index hint to use a columnstore index, the hints are in...
When a query is first parsed, it's parsed into a SqlNode. For example, a SELECT query will be parsed into a SqlSelect with a list of fields, a table, a join, etc. Calcite is also capable of generating a query string from a SqlNode as well. RelNode represents a relational expression...