Example usage for java.sql Connection getMetaData

Introduction

In this page you can find the example usage for java.sql Connection getMetaData.

Prototype

DatabaseMetaData getMetaData() throws SQLException;

Source Link

Document

Retrieves a DatabaseMetaData object that contains metadata about the database to which this Connection object represents a connection.

Usage

From source file:Main.java

public static void main(String[] args) throws Exception {
    String url = "jdbc:odbc:databaseName";
    String driver = "sun.jdbc.odbc.JdbcOdbcDriver";
    String user = "guest";
    String password = "guest";

    try {/*from w  w w  . ja v a 2s.co m*/
        Class.forName(driver);
        Connection conn = DriverManager.getConnection(url, user, password);

        // Get the MetaData
        DatabaseMetaData metaData = conn.getMetaData();

        // Get driver information
        System.out.println("Driver Informaion");
        System.out.println(metaData.getDriverName());
        System.out.println(metaData.getDriverVersion());
        // Get schema information
        System.out.println("Schemas");
        ResultSet schemas = metaData.getSchemas();
        while (schemas.next()) {
            System.out.println(schemas.getString(1));
        }
        // Get table information
        System.out.println("Tables");
        ResultSet tables = metaData.getTables("", "", "", null);
        while (tables.next()) {
            System.out.println(tables.getString(3));
        }
        conn.close();
    } catch (Exception ex) {
        ex.printStackTrace();
    }
}

---

From source file:Main.java

public static void main(String[] args) throws Exception {
    Connection conn = getMySqlConnection();
    System.out.println("Got Connection.");

    ResultSet rsColumns = null;/* w  w  w  .  ja v  a  2s  .  c  o  m*/
    DatabaseMetaData meta = conn.getMetaData();
    rsColumns = meta.getColumns(null, "%", "code", "%");

    while (rsColumns.next()) {
        String columnType = rsColumns.getString("TYPE_NAME");
        String columnName = rsColumns.getString("COLUMN_NAME");
        int size = rsColumns.getInt("COLUMN_SIZE");
        int nullable = rsColumns.getInt("NULLABLE");
        int position = rsColumns.getInt("ORDINAL_POSITION");

        System.out.println("column name=" + columnName);
        System.out.println("type=" + columnType);
        System.out.println("size=" + size);
        if (nullable == DatabaseMetaData.columnNullable) {
            System.out.println("nullable is true");
        } else {
            System.out.println("nullable is false");
        }
        System.out.println("position" + position);
    }

    conn.close();
}

---

From source file:com.alifi.jgenerator.spring.SpringGeneratorFactory.java

public static void main(String[] args) {
    @SuppressWarnings("unused")
    ClassPathXmlApplicationContext ctx = new ClassPathXmlApplicationContext("META-INF/SpringContext.xml");

    for (DataSourceMap m : DataSourceUtil.getDataSourceMap()) {

        DataSource ds = m.getDataSource();
        try {//from w w w  .  j  a v a2  s .  c o m
            Connection con = ds.getConnection();
            DatabaseMetaData dmd = con.getMetaData();
            String catalog = con.getCatalog();
            String schemaPattern = dmd.getSchemaTerm();
            System.out.println("Catalog:" + con.getCatalog() + " schemaPattern:" + schemaPattern);
            ResultSet rs = dmd.getTables(catalog, schemaPattern, "time_zone_transition", null);

            Statement s = null;
            ResultSet xrs = null;
            try {
                s = con.createStatement();
                xrs = s.executeQuery("select * from time_zone_transition");
                if (xrs.next()) {
                    p("xxxxxxxxxxxxxxxxxxxxxxxx:" + xrs.getString(1));
                }
            } catch (SQLException e) {
                e.printStackTrace();
            } finally {
            }

            while (rs.next()) {
                p("-----------------------");
                p("TABLE_CAT  :" + rs.getString("TABLE_CAT"));
                p("TABLE_SCHEM:" + rs.getString("TABLE_SCHEM"));
                p("TABLE_NAME :" + rs.getString("TABLE_NAME"));
                p("TABLE_TYPE :" + rs.getString("TABLE_TYPE"));
                p("REMARKS:   " + rs.getString("REMARKS"));

                p("11111111111111111:" + rs.getMetaData().getColumnClassName(1));
                // 
                ResultSet pkeyRs = dmd.getPrimaryKeys(catalog, schemaPattern, rs.getString("TABLE_NAME"));
                while (pkeyRs.next()) {
                    p("M-------------M");
                    p("------COLUMN_NAME:" + pkeyRs.getString("COLUMN_NAME"));
                    p("------KEY_SEQ:" + pkeyRs.getString("KEY_SEQ"));
                    p("------PK_NAME:" + pkeyRs.getString("PK_NAME"));
                }
                // 
                ResultSet rss = dmd.getColumns(catalog, schemaPattern, rs.getString("TABLE_NAME"), null);
                int cCount = rss.getMetaData().getColumnCount();
                for (int i = 1; i <= cCount; i++) {
                    p("-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=");
                    p("       getColumnClassName:" + rss.getMetaData().getColumnClassName(i));
                    p("       getColumnLabel:" + rss.getMetaData().getColumnLabel(i));
                    p("       getColumnName:" + rss.getMetaData().getColumnName(i));
                    p("       getColumnTypeName:" + rss.getMetaData().getColumnTypeName(i));
                    p("       getColumnType:" + ColumnTypes.getType(rss.getMetaData().getColumnType(i)));
                }
            }
            rs = dmd.getTableTypes();

            while (rs.next()) {
                p("=========================");
                p("TABLE_TYPE: " + rs.getString("TABLE_TYPE"));
            }
            // ResultSetMetaData rsmd = rs.getMetaData();

            // int numberOfColumns = rsmd.getColumnCount();
            // for (int i = 1; i <= numberOfColumns; i++)
            // p(rsmd.getColumnName(i));
        } catch (SQLException e) {
            e.printStackTrace();
        }

        p(m.toString());
    }
}

---

From source file:GetColumnPrivilegesOracle.java

public static void main(String[] args) throws Exception {
    Connection conn = null;

    conn = getConnection();/*from  ww  w .j  a va  2  s . c  o m*/
    String catalogPattern = conn.getCatalog();
    String schemaPattern = "SYSTEM";
    String tableNamePattern = "HELP";

    ResultSet privileges = null;
    DatabaseMetaData meta = conn.getMetaData();

    // The '_' character represents any single character.
    // The '%' character represents any sequence of zero or more characters.
    privileges = meta.getTablePrivileges(catalogPattern, schemaPattern, tableNamePattern);
    while (privileges.next()) {

        String catalog = privileges.getString("TABLE_CAT");
        String schema = privileges.getString("TABLE_SCHEM");
        String tableName = privileges.getString("TABLE_NAME");
        String privilege = privileges.getString("PRIVILEGE");
        String grantor = privileges.getString("GRANTOR");
        String grantee = privileges.getString("GRANTEE");
        String isGrantable = privileges.getString("IS_GRANTABLE");

        System.out.println("table name:" + tableName);
        System.out.println("catalog:" + catalog);
        System.out.println("schema:" + schema);
        System.out.println("privilege:" + privilege);
        System.out.println("grantor:" + grantor);
        System.out.println("isGrantable:" + isGrantable);
        System.out.println("grantee:" + grantee);
        conn.close();

    }
}

---

From source file:Main.java

public static void main(String[] args) {
    long begTime = System.currentTimeMillis();

    String driver = DEFAULT_DRIVER;
    String url = DEFAULT_URL;
    String username = DEFAULT_USERNAME;
    String password = DEFAULT_PASSWORD;

    Connection connection = null;

    try {/*w  ww  .j a va  2 s . com*/
        connection = createConnection(driver, url, username, password);
        DatabaseMetaData meta = connection.getMetaData();
        System.out.println(meta.getDatabaseProductName());
        System.out.println(meta.getDatabaseProductVersion());

        String sqlQuery = "SELECT PERSON_ID, FIRST_NAME, LAST_NAME FROM PERSON";
        System.out.println("before insert: " + query(connection, sqlQuery, Collections.EMPTY_LIST));

        connection.setAutoCommit(false);
        String sqlUpdate = "INSERT INTO PERSON(FIRST_NAME, LAST_NAME) VALUES(?,?)";
        List parameters = Arrays.asList("Foo", "Bar");
        int numRowsUpdated = update(connection, sqlUpdate, parameters);
        connection.commit();

        System.out.println("# rows inserted: " + numRowsUpdated);
        System.out.println("after insert: " + query(connection, sqlQuery, Collections.EMPTY_LIST));
    } catch (Exception e) {
        rollback(connection);
        e.printStackTrace();
    } finally {
        close(connection);
        long endTime = System.currentTimeMillis();
        System.out.println("wall time: " + (endTime - begTime) + " ms");
    }
}

---

From source file:JDBCMeta.java

public static void main(String[] av) {
    int i;/*from  w w  w.j  ava 2s .c o  m*/
    try {
        // Load the driver
        Class.forName("sun.jdbc.odbc.JdbcOdbcDriver");

        // Enable logging
        // DriverManager.setLogStream(System.err);

        System.out.println("Getting Connection");
        Connection conn = DriverManager.getConnection("jdbc:odbc:Companies", "ian", ""); // user, passwd

        // Get a Database MetaData as a way of interrogating
        // the names of the tables in this database.
        DatabaseMetaData meta = conn.getMetaData();

        System.out.println("We are using " + meta.getDatabaseProductName());
        System.out.println("Version is " + meta.getDatabaseProductVersion());

        int txisolation = meta.getDefaultTransactionIsolation();
        System.out.println("Database default transaction isolation is " + txisolation + " ("
                + transactionIsolationToString(txisolation) + ").");

        conn.close();

        System.out.println("All done!");

    } catch (ClassNotFoundException e) {
        System.out.println("Can't load driver " + e);
    } catch (SQLException ex) {
        System.out.println("Database access failed:");
        System.out.println(ex);
    }
}

---

From source file:Main.java

public static void main(String[] args) throws Exception {
    Connection conn = getMySqlConnection();
    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')");
    DatabaseMetaData meta = conn.getMetaData();
    ResultSet rs = meta.getExportedKeys(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);
    }/*from   w  ww .  ja  v a2s  . c om*/

    st.close();
    conn.close();
}

---

From source file:Main.java

public static void main(String[] args) throws Exception {
    Connection conn = getMySqlConnection();
    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')");

    DatabaseMetaData meta = conn.getMetaData();

    ResultSet 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);
    }/*from www .  j a v  a2s  .  c  o  m*/

    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, PRIMARY KEY (id) );");
    st.executeUpdate("insert into survey (id,name ) values (1,'nameValue')");

    DatabaseMetaData meta = conn.getMetaData();
    ResultSet rs = meta.getPrimaryKeys(null, null, "survey");

    java.util.List list = new java.util.ArrayList();
    while (rs.next()) {
        String columnName = rs.getString("COLUMN_NAME");
        System.out.println("getPrimaryKeys(): columnName=" + columnName);
    }//from  w ww.java  2  s  .  c  o m

    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("insert into survey (id,name ) values (1,'nameValue')");

    ResultSet rs = null;/*from  w  w  w  .  j ava  2s.  c  o  m*/
    DatabaseMetaData meta = conn.getMetaData();
    rs = meta.getTableTypes();

    while (rs.next()) {
        String tableType = rs.getString(1);
        System.out.println("tableType=" + tableType);
    }

    st.close();
    conn.close();
}

---

• «
• 1
• 2
• 3
• 4
• 5
• 6
• 7
• 8
• 9
• 10
• 11
• 12
• 13
• 14
• 15
• 16
• 17
• 18
• 19
• 20
• 21
• 22
• 23
• 24
• 25
• 26
• 27
• 28
• 29
• 30
• 31
• 32
• 33
• 34
• 35
• 36
• 37
• 38
• 39
• 40
• 41
• 42
• 43
• 44
• 45
• 46
• 47
• 48
• 49
• 50
• »