List of usage examples for java.sql ResultSet getInt
int getInt(String columnLabel) throws SQLException;
ResultSet
object as an int
in the Java programming language. From source file:Main.java
public static void main(String[] argv) throws Exception { int records = 0; Class.forName("com.mysql.jdbc.Driver"); Connection con = DriverManager.getConnection("jdbc:mysql://localhost:3306/jdbctutorial", "root", "root"); String sql = "SELECT COUNT(*) FROM mytable"; PreparedStatement prest = con.prepareStatement(sql); ResultSet rs = prest.executeQuery(); while (rs.next()) { records = rs.getInt(1); }//from w ww. ja va 2 s . c o m System.out.println("Number of records: " + records); con.close(); }
From source file:Main.java
public static void main(String[] argv) throws Exception { Class.forName("com.microsoft.sqlserver.jdbc.SQLServerDriver"); Connection con = DriverManager.getConnection("jdbc:sqlserver://MYSERVER;databaseName=MYDATABASE", "USERID", "PASSWORD"); CallableStatement proc_stmt = con.prepareCall("{ call generateID(?) }"); proc_stmt.setString(1, "employee"); ResultSet rs = proc_stmt.executeQuery(); if (rs.next()) { int employeeId = rs.getInt(1); System.out.println("Generated employeeId: " + employeeId); } else {//from w ww .j a v a 2 s . c om System.out.println("Stored procedure couldn't generate new Id"); } }
From source file:Main.java
public static void main(String[] argv) throws Exception { int sum = 0;/*from w ww .j a va 2 s . c om*/ Class.forName("com.mysql.jdbc.Driver"); Connection con = DriverManager.getConnection("jdbc:mysql://localhost:3306/jdbctutorial", "root", "root"); Statement st = con.createStatement(); ResultSet res = st.executeQuery("SELECT SUM(col) FROM mytable"); while (res.next()) { int c = res.getInt(1); sum = sum + c; } System.out.println("Sum of column = " + sum); }
From source file:Main.java
public static void main(String[] argv) throws Exception { String driver = "com.mysql.jdbc.Driver"; String user = "root"; String pass = "root"; Class.forName(driver).newInstance(); Connection con = DriverManager.getConnection("jdbc:mysql://localhost:3306/jdbctutorial", user, pass); Statement st = con.createStatement(); ResultSet res = st.executeQuery("SELECT * FROM emp"); while (res.next()) { int i = res.getInt("ID"); String s = res.getString("name"); System.out.println(i + "\t\t" + s); }/* www.j av a 2 s. co m*/ con.close(); }
From source file:Main.java
public static void main(String[] args) throws Exception { System.out.println("Count number of rows in a specific table!"); Connection con = null;// w w w . ja va 2 s . c om int count = 0; Class.forName("com.mysql.jdbc.Driver"); con = DriverManager.getConnection("jdbc:mysql://localhost:3306/jdbctutorial", "root", "root"); Statement st = con.createStatement(); BufferedReader bf = new BufferedReader(new InputStreamReader(System.in)); ResultSet res = st.executeQuery("SELECT COUNT(*) FROM EMP"); while (res.next()) { count = res.getInt(1); } System.out.println("Number of row:" + count); }
From source file:Main.java
public static void main(String[] args) throws Exception { Connection conn = getConnection(); Statement st = conn.createStatement(); st.executeUpdate("create table survey (id int,name varchar(30));"); st.executeUpdate("insert into survey (id,name ) values (10,'nameValue')"); st.executeUpdate("insert into survey (id,name ) values (null,null)"); st = conn.createStatement();/*from w w w . j a va 2 s.c o m*/ ResultSet rs = st.executeQuery("SELECT * FROM survey"); while (rs.next()) { int id = rs.getInt(1); System.out.println(id); if (rs.wasNull()) { id = -1; } System.out.println(id); } rs.close(); st.close(); conn.close(); }
From source file:Main.java
public static void main(String[] args) throws Exception { Class.forName("com.mysql.jdbc.Driver"); Connection conn = DriverManager.getConnection(URL, USERNAME, PASSWORD); String insert = "INSERT INTO orders (username, order_date) VALUES ('foobar', '2007-12-13')"; Statement stmt = conn.createStatement(); stmt.executeUpdate(insert, Statement.RETURN_GENERATED_KEYS); ResultSet keys = stmt.getGeneratedKeys(); int lastKey = 1; while (keys.next()) { lastKey = keys.getInt(1); }//from w ww.j ava2 s . c o m System.out.println("Last Key: " + lastKey); conn.close(); }
From source file:Main.java
public static void main(String[] args) throws Exception { Connection conn = getConnection(); Statement st = conn.createStatement(ResultSet.TYPE_SCROLL_INSENSITIVE, ResultSet.CONCUR_UPDATABLE); st.executeUpdate("create table survey (id int,name varchar(30));"); st.executeUpdate("insert into survey (id,name ) values (1,'nameValue')"); st.executeUpdate("insert into survey (id,name ) values (2,null)"); st.executeUpdate("insert into survey (id,name ) values (3,'Tom')"); st = conn.createStatement();/*w w w. ja v a 2 s .c om*/ ResultSet rs = st.executeQuery("SELECT * FROM survey"); while (rs.next()) { int id = rs.getInt(1); // index 1 is the "id" column String name = rs.getString(2); // index 2 is the "name" column System.out.println(id); System.out.println(name); } rs.close(); st.close(); conn.close(); }
From source file:Main.java
public static void main(String[] argv) throws Exception { Class.forName("com.mysql.jdbc.Driver"); Connection con = DriverManager.getConnection("jdbc:mysql://localhost:3306/jdbctutorial", "root", "root"); Statement st = con.createStatement(); ResultSet res = st.executeQuery("SELECT col_name FROM mytable ORDER BY col_name ASC"); while (res.next()) { int col = res.getInt(1); System.out.println(col);//from www.j av a 2s. c om } }
From source file:Main.java
public static void main(String[] args) throws Exception { Class.forName("sun.jdbc.odbc.JdbcOdbcDriver"); Connection conn = DriverManager .getConnection("jdbc:odbc:Driver={Microsoft Excel Driver (*.xls, *.xlsx, *.xlsm, *.xlsb)};" + "Dbq=C://Book1.xlsx;"); PreparedStatement s = conn.prepareStatement("SELECT * FROM [Sheet1$] WHERE [MetricMonth] = ?"); s.setString(1, "Jul-2013"); s.execute();// w w w. j a v a2 s. c om ResultSet rs = s.getResultSet(); if (rs != null) { while (rs.next()) { System.out.println(rs.getInt("All")); } } s.close(); conn.close(); }