CONTAINS(column_name, 'NEAR(term1,"term3 term4")') The optional parameters are as follows: <maximum_distance> Specifies the maximum distance allowed between the search terms at the start and end of a string in order for that string to qualify as a match. integer Specifies a positive int...
CONTAINS(column_name, 'NEAR((AA,BB),5)') The stringAA one two three four five BBwould be a match. In the following example, the query specifies for three search terms,AA,BB, andCCwithin a maximum distance of five: SQL CONTAINS(column_name, 'NEAR((AA,BB,CC),5)') ...
hive sql, stringColumn1 contains stringColumn2 3.
A. Use SUBSTRING with a character string The following example shows how to return only a part of a character string. From thesys.databasestable, this query returns the system database names in the first column, the first letter of the database in the second column, and the third and fou...
orcontains(title,'computer')orcontains(notes,'computer') FREETEXT FREETEXT语句的功能是在一个表的所有列或指定列中搜索一个自由文本格式的字符串,并返回与该字符串匹配的数据行。所以,FREETEXT语句所执行的功能又称做自由式全文查询。 FREETEXT语句的语法格式为:FREETEXT({column | * },'freetext_string') ...
SQL20425N 因為名稱為 table-name 的表格中的名稱為 column-name 的直欄已指定為文字搜尋函數的引數,但沒有所指定直欄的作用中文字搜尋索引。所以陳述式失敗。 解說 文字搜尋函數 (例如 CONTAINS 或 SCORE) 指定直欄作為引數,但沒有這個直欄的文字搜尋索引。 文字搜尋索引非作用中。 文字搜尋索引無效。例如,...
CONTAINS(column_name, 'NEAR((AA,BB,CC),5)') This query would match the following string, in which the total distance is five:BB one two CC three four five A ANotice that the inner search term, CC, is not counted.MAX Returns any rows that contain the specified terms regardless of th...
表格表格对象模型属性 - Column.TableDetailPosition、Column.IsDefaultLabel、Column.IsDefaultImage 工具SQL Server Profiler for Trace Capture 替代功能使用 SQL Server Management Studio 中嵌入的扩展事件探查器。 请参阅Monitor Analysis Services with SQL Server Extended Events。
In SQL Server 2016 and later versions, you can use XEvent backup_restore_progress_trace to track the progress of backup and restore operations. You can use the percent_complete column of sys.dm_exec_requests to track the progress of in-flight backup and restore operations. You can measure ...
A. Use SUBSTRING with a character string The following example shows how to return only a part of a character string. From thesys.databasestable, this query returns the system database names in the first column, the first letter of the database in the second column, and the third and fou...