List of usage examples for java.sql Statement executeUpdate
int executeUpdate(String sql) throws SQLException;
INSERT
, UPDATE
, or DELETE
statement or an SQL statement that returns nothing, such as an SQL DDL statement. From source file:Main.java
public static void main(String[] args) throws Exception { Connection conn = getConnection(); Statement st = conn.createStatement(ResultSet.TYPE_SCROLL_SENSITIVE, 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')"); ResultSet rs = st.executeQuery("SELECT * FROM survey"); // Move cursor to the row to update rs.first();//from w ww .j a va 2 s . c om // Update the value of column column_1 on that row rs.updateString("name", "new data"); // Update the row; if autocommit is enabled, // update is committed rs.updateRow(); rs.close(); st.close(); 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_SENSITIVE, ResultSet.CONCUR_READ_ONLY); 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')"); ResultSet rs = st.executeQuery("SELECT * FROM survey"); // Move cursor forward while (rs.next()) { String id = rs.getString("id"); System.out.println(id);/* w w w . j a v a 2 s .c o m*/ } // Move cursor backward while (rs.previous()) { // Get data at cursor String id = rs.getString("id"); System.out.println(id); } rs.close(); st.close(); 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_SENSITIVE, ResultSet.CONCUR_READ_ONLY); 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')"); ResultSet rs = st.executeQuery("SELECT * FROM survey"); // move to the end of the result set rs.last();/*from w ww .j av a 2 s.co m*/ // get the row number of the last row, which is also the row count int rowCount = rs.getRow(); System.out.println(rowCount); // now you may move the cursor to the front of this ResultSet object, // just before the first row rs.beforeFirst(); rs.close(); st.close(); conn.close(); }
From source file:Main.java
public static void main(String[] args) throws Exception { Connection conn = getHSQLConnection(); System.out.println("Got Connection."); Statement st = conn.createStatement(); st.executeUpdate("create table survey (id int,name varchar);"); st.executeUpdate("create view surveyView as (select * from survey);"); st.executeUpdate("insert into survey (id,name ) values (1,'nameValue')"); st.executeUpdate("insert into survey (id,name ) values (2,'anotherValue')"); ResultSet rs = null;/* ww w . j a v a2 s . c o m*/ PreparedStatement ps = null; String query = "select id, name from survey where id = ?"; ps = conn.prepareStatement(query); // specify values for all input parameters ps.setInt(1, 001); // set the first parameter: id // now, PreparedStatement object is ready to be executed. rs = ps.executeQuery(); // iterate the result set object while (rs.next()) { int id = rs.getInt(1); String name = rs.getString(2); System.out.println("[id=" + id + "][name=" + name + "]"); } // NOTE: you may use PreparedStatement as many times as you want // here we use it for another set of parameters: ps.setInt(1, 002); // set the first parameter: id // now, PreparedStatement object is ready to be executed. rs = ps.executeQuery(); // iterate the result set object while (rs.next()) { int id = rs.getInt(1); String name = rs.getString(2); System.out.println("[id=" + id + "][name=" + name + "]"); } rs.close(); ps.close(); 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();// ww w. ja va 2 s . c o m ResultSet rs = st.executeQuery("SELECT * FROM survey"); while (rs.next()) { String name = rs.getString(2); if (rs.wasNull()) { System.out.println("was NULL"); } else { System.out.println("not NULL"); } } rs.close(); st.close(); conn.close(); }
From source file:Main.java
public static void main(String[] argv) throws Exception { String driverName = "com.jnetdirect.jsql.JSQLDriver"; Class.forName(driverName);//from w ww. j a v a2s .com String serverName = "127.0.0.1"; String portNumber = "1433"; String mydatabase = serverName + ":" + portNumber; String url = "jdbc:JSQLConnect://" + mydatabase; String username = "username"; String password = "password"; Connection connection = DriverManager.getConnection(url, username, password); Statement stmt = connection.createStatement(); String sql = "INSERT INTO my_table (col_string) VALUES('a string')"; stmt.executeUpdate(sql); }
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 = conn.createStatement();//www . ja va 2 s .c om ResultSet rs = st.executeQuery("SELECT * FROM survey"); int rsConcurrency = rs.getConcurrency(); if (rsConcurrency == java.sql.ResultSet.CONCUR_READ_ONLY) { System.out.println("java.sql.ResultSet.CONCUR_READ_ONLY"); } else if (rsConcurrency == java.sql.ResultSet.CONCUR_UPDATABLE) { System.out.println("java.sql.ResultSet.CONCUR_UPDATABLE"); } else { // it is an error } rs.close(); st.close(); conn.close(); }
From source file:Main.java
public static void main(String[] args) throws Exception { Connection conn = getMySQLConnection(); Statement stmt = null; try {/*from w ww . j av a 2 s. c o m*/ stmt = conn.createStatement(); stmt.executeUpdate("DELETE FROM Mytable"); displayError(stmt.getWarnings()); stmt.executeUpdate( "INSERT INTO Mytable(id, name)" + "VALUES(1, 'NameLongerThanColumnLengthInDatabase')"); displayError(stmt.getWarnings()); } catch (DataTruncation dt) { displayError(dt); dt.printStackTrace(); } catch (SQLException se) { System.out.println("Database error message: " + se.getMessage()); } catch (Exception e) { e.printStackTrace(); } finally { stmt.close(); conn.close(); } }
From source file:Main.java
public static void main(String[] args) throws Exception { Connection conn = getConnection(); conn.setAutoCommit(false);/*from w w w . j a va 2 s . c om*/ Statement st = conn.createStatement(); st.setFetchSize(1); 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,'nameValue')"); st = conn.createStatement(); ResultSet rs = st.executeQuery("SELECT * FROM survey"); rs.setFetchSize(1); outputResultSet(rs); checkForWarning(rs.getWarnings()); rs.close(); st.close(); conn.close(); }
From source file:DemoDataTruncation.java
public static void main(String[] args) throws Exception { Connection conn = getMySQLConnection(); Statement stmt = null; try {/*from w w w.ja v a 2 s. c o m*/ stmt = conn.createStatement(); stmt.executeUpdate("DELETE FROM animals_table"); displayError(stmt.getWarnings()); stmt.executeUpdate( "INSERT INTO animals_table(id, name)" + "VALUES(1, 'NameLongerThanColumnLengthInDatabase')"); displayError(stmt.getWarnings()); } catch (DataTruncation dt) { displayError(dt); dt.printStackTrace(); } catch (SQLException se) { System.out.println("Database error message: " + se.getMessage()); } catch (Exception e) { e.printStackTrace(); } finally { stmt.close(); conn.close(); } }