Java Utililty Methods JDBC HSQL Connection

List of utility methods to do JDBC HSQL Connection

Description

The list of methods to do JDBC HSQL Connection are organized into topic(s).

Method

ConnectioncreateConnection()
create Connection
Connection result = null;
try {
    Class.forName("net.sourceforge.jtds.jdbc.Driver");
    result = DriverManager.getConnection("jdbc:hsqldb:hsql://127.0.0.1:9001/commons", "SA", "");
} catch (Exception ex) {
    ex.printStackTrace();
return result;
...
ConnectioncreateHSQLDBConnection(String hsqldbName)
Establish a database connection to a HSQL database (file system)
try {
    Class.forName("org.hsqldb.jdbcDriver");
    Connection conn = DriverManager.getConnection("jdbc:hsqldb:file:" + hsqldbName, 
            "sa", 
            ""); 
    return conn;
} catch (Exception e) {
    System.err.println(
...
voidcreateSchemasForHSQLDB(String dbName, String[] schemaNames)
This will connect to the in-memory HSQL DB dbName and issue CREATE SCHEMA commands for each schema named in schemaNames .
Class.forName(HSQL_DRIVER);
Connection conn = DriverManager.getConnection("jdbc:hsqldb:mem:" + dbName, "sa", "");
Statement createSchema = conn.createStatement();
for (String schema : schemaNames) {
    createSchema.executeUpdate("CREATE SCHEMA " + schema + " AUTHORIZATION dba");
ConnectiongetConnection()
get Connection
Connection conn = null;
try {
    Class.forName("org.hsqldb.jdbcDriver");
    if (mode == SERVER_MODE) {
        conn = DriverManager.getConnection("jdbc:hsqldb:hsql://localhost:" + PORT + "/" + DB_NAME,
                USER_NAME, PASSWORD);
    } else if (mode == STAND_ALONE_MODE) {
        conn = DriverManager.getConnection("jdbc:hsqldb:file:" + DB_PATH + DB_NAME, USER_NAME, PASSWORD);
...
ConnectiongetDbConnection()
get Db Connection
Connection rc = DriverManager.getConnection("jdbc:hsqldb:mem:testDb", "sa", "");
return rc;
voidcreateTweetTable()
create Tweet Table
Connection connection = getConnection();
Statement statement = connection.createStatement();
String query = "DROP TABLE IF EXISTS tweet";
statement.executeUpdate(query);
query = "CREATE TABLE tweet (\n" + "  id integer NOT NULL PRIMARY KEY,\n" + "  user varchar(32) NOT NULL,\n"
        + "  message varchar(140) NOT NULL,\n" + ");";
statement.executeUpdate(query);
statement.close();
...
ConnectiongetHSQLConnection()
get HSQL Connection
Class.forName("org.hsqldb.jdbcDriver");
System.out.println("Driver Loaded.");
String url = "jdbc:hsqldb:data/tutorial";
return DriverManager.getConnection(url, "sa", "");
voidprintSchema()
print Schema
Class.forName("org.hsqldb.jdbcDriver");
Connection connection = DriverManager.getConnection("jdbc:hsqldb:data/tutorial", "sa", "");
Statement st = connection.createStatement();
DatabaseMetaData metaData = connection.getMetaData();
ResultSet results = metaData.getTables(null, null, null, new String[] { "TABLE" });
while (results.next()) {
    String tableName = results.getString(3);
    System.out.println("\n\n\n\nTable Name: " + tableName);
...
booleanstopHSQL()
stop HSQL
try {
    Statement statement = getConnection().createStatement();
    statement.executeUpdate("SHUTDOWN;");
    return true;
} catch (SQLException ex) {
    ex.printStackTrace();
    return false;