Use queryForInt To Execute Aggregate Function

       
File: context.xml



File: Main.java

import org.springframework.jdbc.core.JdbcTemplate;
import org.springframework.jdbc.datasource.SingleConnectionDataSource;

public class Main {
  public static void main(String args[]) throws Exception {
    SingleConnectionDataSource ds = new SingleConnectionDataSource();
    ds.setDriverClassName("org.hsqldb.jdbcDriver");
    ds.setUrl("jdbc:hsqldb:data/tutorial");
    ds.setUsername("sa");
    ds.setPassword("");
    //
    // ds.setDriverClassName("com.mysql.jdbc.Driver");
    // ds.setUrl("jdbc:mysql://localhost:3306/spring");
    // ds.setUsername("spring");
    // ds.setPassword("t1cket");
    //
    // ds.setDriverClassName("oracle.jdbc.driver.OracleDriver");
    // ds.setUrl("jdbc:oracle:thin:@fiji:1521:my10g");
    // ds.setUsername("spring");
    // ds.setPassword("t1cket");
    
    JdbcTemplate jt = new JdbcTemplate(ds);
    jt.execute("create table employee (id int, name varchar)");
    jt.execute("insert into employee (id, name) values (1, 'A')");
    jt.execute("insert into employee (id, name) values (2, 'B')");
    jt.execute("insert into employee (id, name) values (3, 'C')");
    jt.execute("insert into employee (id, name) values (4, 'D')");
    jt.execute("insert into employee (id, name) values (5, 'E')");
    jt.execute("insert into employee (id, name) values (6, 'F')");    
    
    
    Object[] parameters = new Object[] {"M"};
    int count = jt.queryForInt("select count(*) from employee where name > ?",
        parameters);
    
    System.out.println(count);
    ds.destroy();
  }
}

Spring-UseQueryForIntToExecuteAggregateFunction.zip( 3,488 k)

1.	Use JdbcTemplate To Execute Delete Statement With Parameter
2.	Use JdbcTemplate To Execute Aggregate Function: queryForLong
3.	Use JdbcTemplate To Create Table
4.	Pass DataSource to se JdbcTemplate
5.	Use batchUpdate from JdbcTemplate To Execute Two UpdateStatements
6.	UpdateStatement With Two Parameters
7.	Execute Update and Delete Statements With JdbcTemplate
8.	Query For Rowset
9.	Query For Object, Return String
10.	Query For Map
11.	Query For List, Returns List Of Linked HashMap
12.	Query For List
13.	Pass Parameter As Object Array
14.	Pass Object Array To Query Method In JdbcTemplate
15.	Number Of Row Affected
16.	Execute Delete Statement
17.	Deal With TimeStamp
18.	Control Parameter Type In JdbcTemplate.Query

Use queryForInt To Execute Aggregate Function : JdbcTemplate « Spring « Java

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