42859条记录的表有一字段类型为text,用like查询需要17s,怎么优化?
表结构:
CREATE TABLE [log_dt] (
[log_id] [int] NOT NULL ,
[oper_sql] [text] COLLATE Chinese_Taiwan_Stroke_CI_AS NOT NULL
) ON [PRIMARY] TEXTIMAGE_ON [PRIMARY]
GO
表中有42859条记录
查询语句:
select * from log_dt where oper_sql like '%sk0001%'
赐教!