復制代碼 代碼如下:
CREATE [UNIQUE] [CLUSTERED|NONCLUSTERED]
INDEX index_name
ON table_name (column_name…)
[WITH FILLFACTOR=x]
復制代碼 代碼如下:
USE stuDB
GO
IF EXISTS (SELECT name FROM sysindexes
WHERE name = 'IX_writtenExam')
DROP INDEX stuMarks.IX_writtenExam
/*--筆試列創建非聚集索引:填充因子為30%--*/
CREATE NONCLUSTERED INDEX IX_writtenExam
ON stuMarks(writtenExam)
WITH FILLFACTOR= 30
GO
/*-----指定按索引IX_writtenExam查詢----*/
SELECT * FROM stuMarks (INDEX=IX_writtenExam)
WHERE writtenExam BETWEEN 60 AND 90
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