in code-optimization/db-performance-issue/java/src/main/java/com/epam/aicode/java/DBUtils.java [31:42]
public static void insertDataIntoEmployeeTable(Connection connection) throws SQLException {
try (PreparedStatement preparedStatement = connection.prepareStatement(INSERT_INTO_EMPLOYEE_TABLE_SQL)) {
for (int i = 1; i <= 1000000; i++) {
preparedStatement.setInt(1, i);
preparedStatement.setString(2, NAME + i);
preparedStatement.addBatch();
if (i % 1000000 == 0) {
preparedStatement.executeBatch();
}
}
}
}