How to get top 5 rows in a ordered subquery

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SQL

select top 2 * from(select speed from Ht_route_160326 where trackerid='01104200SKY4CA5')

Getting in correct syntax error near')'

What I have tried:

select top 2 * from(select speed from Ht_route_160326 where trackerid='01104200SKY4CA5')

Posted 27-Mar-16 21:19pm

Member 12119075

Updated 27-Mar-16 21:52pm

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Tadit Dash (ତଡିତ୍ କୁମାର ଦାଶ) 28-Mar-16 3:37am

trackerid is varchar?

Member 12119075 28-Mar-16 3:43am

yes

Tadit Dash (ତଡିତ୍ କୁମାର ଦାଶ) 28-Mar-16 3:52am

Check my answer.

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Tadit Dash (ତଡିତ୍ କୁମାର ଦାଶ) · Accepted Answer · 2016-03-27T21:52:00

Solution 1

Change it like below. It needs an alias.

SQL

select top 2 * from(select speed from Ht_route_160326 where trackerid='01104200SKY4CA5') TestTable

Posted 27-Mar-16 21:52pm

Tadit Dash (ତଡିତ୍ କୁମାର ଦାଶ)

Updated 27-Mar-16 21:53pm

v2

Comments

Member 12119075 28-Mar-16 4:38am

select top 5 * from(select speed from Ht_route_160326 where trackerid='01104200SKY4CA5' order by FixTime desc) a

why am not able to do order by in this .

Tadit Dash (ତଡିତ୍ କୁମାର ଦାଶ) 28-Mar-16 5:21am

The error message is clear...

The ORDER BY clause is invalid in views, inline functions, derived tables, subqueries, and common table expressions, unless TOP or FOR XML is also specified.

You should add that to the external table like...

select top 5 * from(select speed from Ht_route_160326 where trackerid='01104200SKY4CA5') a order by FixTime desc

Member 12119075 28-Mar-16 5:33am

sorry am getting error like fixtime is in valid column , but i have column in name fixtime with date variable

Tadit Dash (ତଡିତ୍ କୁମାର ଦାଶ) 28-Mar-16 5:34am

Is that column present in Ht_route_160326 table?

Member 12119075 28-Mar-16 5:53am

yes

Tadit Dash (ତଡିତ୍ କୁମାର ଦାଶ) 28-Mar-16 6:03am

That should work. Else try a.FixTime.