Win a copy of Testing JavaScript Applications this week in the HTML Pages with CSS and JavaScript forum!
  • Post Reply Bookmark Topic Watch Topic
  • New Topic
programming forums Java Mobile Certification Databases Caching Books Engineering Micro Controllers OS Languages Paradigms IDEs Build Tools Frameworks Application Servers Open Source This Site Careers Other all forums
this forum made possible by our volunteer staff, including ...
Marshals:
  • Campbell Ritchie
  • Bear Bibeault
  • Ron McLeod
  • Jeanne Boyarsky
  • Paul Clapham
Sheriffs:
  • Tim Cooke
  • Liutauras Vilda
  • Junilu Lacar
Saloon Keepers:
  • Tim Moores
  • Stephan van Hulst
  • Tim Holloway
  • fred rosenberger
  • salvin francis
Bartenders:
  • Piet Souris
  • Frits Walraven
  • Carey Brown

a basic question

 
Ranch Hand
Posts: 131
  • Mark post as helpful
  • send pies
  • Quote
  • Report post to moderator
Hi,

how do you execute this query?

select count(*) from tablename;

the return type is int right?

so how do you execute, i mean

using stmt.execute or executeUpdate or executeQuery ???
 
Greenhorn
Posts: 17
  • Mark post as helpful
  • send pies
  • Quote
  • Report post to moderator
You can do that with stmt.executeQuery.
 
Ranch Hand
Posts: 1704
  • Mark post as helpful
  • send pies
  • Quote
  • Report post to moderator
Use executeQuery() method. It will return you ResultSet.
Using getInt() method of ResultSet you can get the count.
 
author & internet detective
Posts: 40035
809
Eclipse IDE VI Editor Java
  • Mark post as helpful
  • send pies
  • Quote
  • Report post to moderator
Arul,
Note that you have to point to the first row before you call rs.next(). So it looks like:
 
Don't get me started about those stupid light bulbs.
    Bookmark Topic Watch Topic
  • New Topic