List of usage examples for java.sql Connection createStatement
Statement createStatement() throws SQLException;
Statement
object for sending SQL statements to the database. From source file:Main.java
public static void main(String[] args) throws Exception { Connection conn = getMySqlConnection(); System.out.println("Got Connection."); Statement st = conn.createStatement(); st.executeUpdate("drop table survey;"); st.executeUpdate("create table survey (id int,name varchar(30));"); st.executeUpdate("insert into survey (id,name ) values (1,'nameValue')"); st = conn.createStatement();//from ww w. j ava 2 s . co m ResultSet rs = st.executeQuery("SELECT * FROM survey"); ResultSetMetaData rsMetaData = rs.getMetaData(); int numberOfColumns = rsMetaData.getColumnCount(); System.out.println("resultSet MetaData column Count=" + numberOfColumns); for (int i = 1; i <= numberOfColumns; i++) { System.out.println("column MetaData "); System.out.println("column number " + i); // Gets the designated column's table's schema name. System.out.println(rsMetaData.getSchemaName(i)); } st.close(); conn.close(); }
From source file:Main.java
public static void main(String[] args) throws Exception { Connection conn = getMySqlConnection(); System.out.println("Got Connection."); Statement st = conn.createStatement(); st.executeUpdate("drop table survey;"); st.executeUpdate("create table survey (id int,name varchar(30));"); st.executeUpdate("insert into survey (id,name ) values (1,'nameValue')"); st = conn.createStatement();//from ww w . ja va 2s . c o m ResultSet rs = st.executeQuery("SELECT * FROM survey"); ResultSetMetaData rsMetaData = rs.getMetaData(); int numberOfColumns = rsMetaData.getColumnCount(); System.out.println("resultSet MetaData column Count=" + numberOfColumns); for (int i = 1; i <= numberOfColumns; i++) { System.out.println("column MetaData "); System.out.println("column number " + i); // get the designated column's SQL type name. System.out.println(rsMetaData.getColumnTypeName(i)); } st.close(); conn.close(); }
From source file:Main.java
public static void main(String[] args) throws Exception { Connection conn = getMySqlConnection(); System.out.println("Got Connection."); Statement st = conn.createStatement(); st.executeUpdate("drop table survey;"); st.executeUpdate("create table survey (id int,name varchar(30));"); st.executeUpdate("insert into survey (id,name ) values (1,'nameValue')"); ResultSet rs = null;//from w w w . jav a2s. com DatabaseMetaData meta = conn.getMetaData(); // The Oracle database stores its table names as Upper-Case, // if you pass a table name in lowercase characters, it will not work. // MySQL database does not care if table name is uppercase/lowercase. // rs = meta.getImportedKeys(conn.getCatalog(), null, "survey"); while (rs.next()) { String fkTableName = rs.getString("FKTABLE_NAME"); String fkColumnName = rs.getString("FKCOLUMN_NAME"); int fkSequence = rs.getInt("KEY_SEQ"); System.out.println("getExportedKeys(): fkTableName=" + fkTableName); System.out.println("getExportedKeys(): fkColumnName=" + fkColumnName); System.out.println("getExportedKeys(): fkSequence=" + fkSequence); } st.close(); conn.close(); }
From source file:Main.java
public static void main(String[] args) throws Exception { Connection conn = getMySqlConnection(); System.out.println("Got Connection."); Statement st = conn.createStatement(); st.executeUpdate("drop table survey;"); st.executeUpdate("create table survey (id int,name varchar(30));"); st.executeUpdate("insert into survey (id,name ) values (1,'nameValue')"); st = conn.createStatement();//w w w . j a va 2 s.c o m ResultSet rs = st.executeQuery("SELECT * FROM survey"); ResultSetMetaData rsMetaData = rs.getMetaData(); int numberOfColumns = rsMetaData.getColumnCount(); System.out.println("resultSet MetaData column Count=" + numberOfColumns); for (int i = 1; i <= numberOfColumns; i++) { System.out.println("column MetaData "); System.out.println("column number " + i); // get the designated column's name. System.out.println(rsMetaData.getColumnLabel(i)); } st.close(); conn.close(); }
From source file:Main.java
public static void main(String[] args) throws Exception { Connection conn = getMySqlConnection(); System.out.println("Got Connection."); Statement st = conn.createStatement(); st.executeUpdate("drop table survey;"); st.executeUpdate("create table survey (id int,name varchar(30));"); st.executeUpdate("insert into survey (id,name ) values (1,'nameValue')"); st = conn.createStatement();/* w ww . j av a2 s . c o m*/ ResultSet rs = st.executeQuery("SELECT * FROM survey"); ResultSetMetaData rsMetaData = rs.getMetaData(); int numberOfColumns = rsMetaData.getColumnCount(); System.out.println("resultSet MetaData column Count=" + numberOfColumns); for (int i = 1; i <= numberOfColumns; i++) { System.out.println("column MetaData "); System.out.println("column number " + i); // get the column's name. System.out.println(rsMetaData.getColumnName(i)); } st.close(); conn.close(); }
From source file:Main.java
public static void main(String[] args) throws Exception { Connection conn = getMySqlConnection(); System.out.println("Got Connection."); Statement st = conn.createStatement(); st.executeUpdate("drop table survey;"); st.executeUpdate("create table survey (id int,name varchar(30));"); st.executeUpdate("insert into survey (id,name ) values (1,'nameValue')"); st = conn.createStatement();//from w ww . j a v a 2 s . c o m ResultSet rs = st.executeQuery("SELECT * FROM survey"); ResultSetMetaData rsMetaData = rs.getMetaData(); int numberOfColumns = rsMetaData.getColumnCount(); System.out.println("resultSet MetaData column Count=" + numberOfColumns); for (int i = 1; i <= numberOfColumns; i++) { System.out.println("column MetaData "); System.out.println("column number " + i); // indicates whether the designated column is a cash value. System.out.println(rsMetaData.isCurrency(i)); } st.close(); conn.close(); }
From source file:Main.java
public static void main(String[] args) throws Exception { Connection conn = getMySqlConnection(); System.out.println("Got Connection."); Statement st = conn.createStatement(); st.executeUpdate("drop table survey;"); st.executeUpdate("create table survey (id int,name varchar(30));"); st.executeUpdate("insert into survey (id,name ) values (1,'nameValue')"); st = conn.createStatement();// ww w . j a va 2 s .co m ResultSet rs = st.executeQuery("SELECT * FROM survey"); ResultSetMetaData rsMetaData = rs.getMetaData(); int numberOfColumns = rsMetaData.getColumnCount(); System.out.println("resultSet MetaData column Count=" + numberOfColumns); for (int i = 1; i <= numberOfColumns; i++) { System.out.println("column MetaData "); System.out.println("column number " + i); // get the designated column's table name. System.out.println(rsMetaData.getTableName(i)); } st.close(); conn.close(); }
From source file:Main.java
public static void main(String[] args) throws Exception { Connection conn = getMySqlConnection(); System.out.println("Got Connection."); Statement st = conn.createStatement(); st.executeUpdate("drop table survey;"); st.executeUpdate("create table survey (id int,name varchar(30));"); st.executeUpdate("insert into survey (id,name ) values (1,'nameValue')"); st = conn.createStatement();//from w ww . j a v a2 s. c o m ResultSet rs = st.executeQuery("SELECT * FROM survey"); ResultSetMetaData rsMetaData = rs.getMetaData(); int numberOfColumns = rsMetaData.getColumnCount(); System.out.println("resultSet MetaData column Count=" + numberOfColumns); for (int i = 1; i <= numberOfColumns; i++) { System.out.println("column MetaData "); System.out.println("column number " + i); // get the designated column's number of decimal digits. System.out.println(rsMetaData.getPrecision(i)); } st.close(); conn.close(); }
From source file:Main.java
public static void main(String[] args) throws Exception { Connection conn = getMySqlConnection(); System.out.println("Got Connection."); Statement st = conn.createStatement(); st.executeUpdate("drop table survey;"); st.executeUpdate("create table survey (id int,name varchar(30));"); st.executeUpdate("insert into survey (id,name ) values (1,'nameValue')"); st = conn.createStatement();// ww w . j a v a 2 s . c om ResultSet rs = st.executeQuery("SELECT * FROM survey"); ResultSetMetaData rsMetaData = rs.getMetaData(); int numberOfColumns = rsMetaData.getColumnCount(); System.out.println("resultSet MetaData column Count=" + numberOfColumns); for (int i = 1; i <= numberOfColumns; i++) { System.out.println("column MetaData "); System.out.println("column number " + i); // Gets the designated column's table's catalog name. System.out.println(rsMetaData.getCatalogName(i)); } st.close(); conn.close(); }
From source file:Main.java
public static void main(String[] args) throws Exception { Connection conn = getMySqlConnection(); System.out.println("Got Connection."); Statement st = conn.createStatement(); st.executeUpdate("drop table survey;"); st.executeUpdate("create table survey (id int,name varchar(30));"); st.executeUpdate("insert into survey (id,name ) values (1,'nameValue')"); String tableName = "survey"; String query = "select count(*) from " + tableName; Statement stmt = null;//from ww w . j a v a 2 s. co m ResultSet rs = null; try { stmt = conn.createStatement(); rs = stmt.executeQuery(query); System.out.println("Exist"); ; } catch (Exception e) { // table does not exist or some other problem //e.printStackTrace(); System.out.println("Not Exist"); } st.close(); conn.close(); }