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Home > Data > Database Administration > Oracle SQL Developer
Oracle SQL Developer
Oracle SQL Developer

Oracle SQL Developer: Learn Database design, development,and administration using the feature-rich SQL Developer 4.1 interface

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Oracle SQL Developer

Chapter 2. Database Connections and SQL Worksheet

In SQL Developer, one of the most important navigation windows is the Connections window pane. This is the window where we have all our predefined database connections. Once we have added the required connection definitions to the databases, we can quickly launch the connections to the databases and start working. Another important fixed window after making database connections is the SQL Worksheet window. The SQL Worksheet provides a scratch pad for all SQL, PL/SQL, and SQL*Plus statements and commands. You can run individual statements or a collection of commands. You can also run scripts and execute PL/SQL. In essence, you can do all you might do in a command-line interface like SQL*Plus. The SQL Worksheet provides more; it offers code templates, code snippets, assists with code insight and completion, and maintains a history of commands. In this chapter, we will look at the connections window and other features offered in the...

Working with the Connections navigator

The Connections navigator lists all our database connections created by us. A double-click on each of those database connections will open the database connection for us using the saved credentials for that particular database. Objects are grouped into nodes in the Connections navigator to reflect their types. They are ordered by most commonly used with Tables, Views, and Indexes at the top of the list. You can refer to the following screenshot to see the grouping, order, and some of the currently available types displayed in the Connections navigator. The selection of browsable object types available increases with each release as the SQL Developer team adds support for more features. SQL Developer allows you to explore the contents of your database using the connection tree.

A complete list of supported database object types can be seen in the following screenshot:

Working with the Connections navigator

Opening connections

To open a connection in the navigator, follow these steps:

  1. Under...

Working with database objects

To work with any object, select and expand the respective object node. The most common node you'll work with is the Tables node. This displays all of the tables the user owns (all of the tables in the schema). Each of the object nodes is identified by an icon, and the Tables node highlights some of the main table types using these icons. Not all are singled out, but the more commonly used ones are. If you expand the HR Tables node, then the COUNTRIES table, which in the sample is an index-organized table, is identified by the slightly different table icon used. Partitioned tables are also distinguished from regular, simple tables using icons. The following screenshot displays the index organized, regular, external, partitioned, and temporary icons:

Working with database objects

Display editors

Once you have expanded an object type node in the Connections navigator, selecting any object in that node opens a window of tabs, called display editors, which define the object. Each editor displays a data grid of details describing the selected object. These are based on queries against the data dictionary and you can get the same results by writing the SQL yourself.

The number and types of editors displayed will vary depending on the object or database that you are connected to. If you are connected to Oracle Database 11g or above, then an additional Flashback editor displays with the other table display editors.

Display editors

Note

The Partitions tab is permanently displayed from SQL Developer 2.1.

General display editors

Instead of itemizing each of the object types and the different collections of display editors, we'll use the Tables node to review some of the display editor details. Using the HR connection, select EMPLOYEES in the Tables node to see the general display editors...

Working with the data grids

The contents of each display editor are displayed in data grids, which typically have three or more columns of data within the grid. A few are two column name-value pair data grids, such as the Details editor. The data in these grids is not editable and merely reflects the details about the object or structure selected. There are two exceptions. The first exception is the Data editor included with the set of display editors for certain objects, such as tables and views. The Data editor displays the instance data for a table and, depending on the object, this data can be edited and the changes can be committed to the database. The second exception is the Code editor for PL/SQL objects, where you are placed into a PL/SQL editor when you select the object.

Data grids throughout SQL Developer have context menus on the column's headings and the data grid itself. You can control the layout and what data is displayed by using these two context menus. For the remaining...

Reviewing other database object nodes

As you select each of the other database objects, you'll notice that the set of display editors varies considerably.

It would be tedious to single out each of the object nodes and describe them here. The display editors and data grids behave the same for each of them.

Working with PL/SQL objects

Triggers, functions, procedures, and packages all have their own separate nodes in the Connections navigator. A single-click on any object in these PL/SQL nodes opens as editable PL/SQL code, as shown here:

Working with PL/SQL objects

In the preceding screenshot, the initial Code editor is the editable PL/SQL code editor. This Code editor is included in the set of display editors for the selected procedure.

Tip

Unlike with other database objects, each new selected PL/SQL object opens a new window. In other words, the windows are automatically pinned for the PL/SQL windows. For more information, see the Chapter 4, Working with PL/SQL.

Accessing objects you don't own

Very often, you may...

Working with the Connections navigator

The Connections navigator lists all our database connections created by us. A double-click on each of those database connections will open the database connection for us using the saved credentials for that particular database. Objects are grouped into nodes in the Connections navigator to reflect their types. They are ordered by most commonly used with Tables, Views, and Indexes at the top of the list. You can refer to the following screenshot to see the grouping, order, and some of the currently available types displayed in the Connections navigator. The selection of browsable object types available increases with each release as the SQL Developer team adds support for more features. SQL Developer allows you to explore the contents of your database using the connection tree.

A complete list of supported database object types can be seen in the following screenshot:

Opening connections

To open a connection in the navigator, follow these steps:

  1. Under the...

Working with database objects

To work with any object, select and expand the respective object node. The most common node you'll work with is the Tables node. This displays all of the tables the user owns (all of the tables in the schema). Each of the object nodes is identified by an icon, and the Tables node highlights some of the main table types using these icons. Not all are singled out, but the more commonly used ones are. If you expand the HR Tables node, then the COUNTRIES table, which in the sample is an index-organized table, is identified by the slightly different table icon used. Partitioned tables are also distinguished from regular, simple tables using icons. The following screenshot displays the index organized, regular, external, partitioned, and temporary icons:

Display editors

Once you have expanded an object type node in the Connections navigator, selecting any object in that node opens a window of tabs, called display editors, which define the object. Each editor displays a data grid of details describing the selected object. These are based on queries against the data dictionary and you can get the same results by writing the SQL yourself.

The number and types of editors displayed will vary depending on the object or database that you are connected to. If you are connected to Oracle Database 11g or above, then an additional Flashback editor displays with the other table display editors.

Note

The Partitions tab is permanently displayed from SQL Developer 2.1.

General display editors

Instead of itemizing each of the object types and the different collections of display editors, we'll use the Tables node to review some of the display editor details. Using the HR connection, select EMPLOYEES in the Tables node to see the general display editors, as shown...

Working with the data grids

The contents of each display editor are displayed in data grids, which typically have three or more columns of data within the grid. A few are two column name-value pair data grids, such as the Details editor. The data in these grids is not editable and merely reflects the details about the object or structure selected. There are two exceptions. The first exception is the Data editor included with the set of display editors for certain objects, such as tables and views. The Data editor displays the instance data for a table and, depending on the object, this data can be edited and the changes can be committed to the database. The second exception is the Code editor for PL/SQL objects, where you are placed into a PL/SQL editor when you select the object.

Data grids throughout SQL Developer have context menus on the column's headings and the data grid itself. You can control the layout and what data is displayed by using these two context menus. For the remaining...

Reviewing other database object nodes

As you select each of the other database objects, you'll notice that the set of display editors varies considerably.

It would be tedious to single out each of the object nodes and describe them here. The display editors and data grids behave the same for each of them.

Working with PL/SQL objects

Triggers, functions, procedures, and packages all have their own separate nodes in the Connections navigator. A single-click on any object in these PL/SQL nodes opens as editable PL/SQL code, as shown here:

In the preceding screenshot, the initial Code editor is the editable PL/SQL code editor. This Code editor is included in the set of display editors for the selected procedure.

Tip

Unlike with other database objects, each new selected PL/SQL object opens a new window. In other words, the windows are automatically pinned for the PL/SQL windows. For more information, see the Chapter 4, Working with PL/SQL.

Accessing objects you don't own

Very often, you may have the...

Creating new database objects

In the first section of the chapter, we looked at browsing objects and data in the database. You may, if you are an application developer and working with a completed database design, spend most of your time doing just that. It is more likely, though, that you'll need to make changes such as adding or modifying structures and data. SQL Developer provides the dialogs to assist you.

In the same way that you can write SQL queries to extract information about the objects you have access to, you can write the SQL Data Definition Language (DDL) to create, edit, and modify these objects. Almost all of the object nodes in the Connections navigator provide a context menu to create a new object. To invoke a dialog that creates any new object, select the object in the navigator and invoke the context menu.

The following list is an exception for creating new objects using context menus:

  • Editioning Views

  • Queues

  • Queue Tables

  • Cross Edition Triggers

  • Directories

  • Editions

  • Application...

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Page 1 of 12

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Key benefits

  • • Explore all the SQL Developer 4.1 features useful for Oracle database developers, architects, and administrators
  • • Understand how this free tool from Oracle has evolved over the years and has become a complete tool that makes life easy for Oracle and third-party database users
  • • The author, Ajith Narayanan, has a total of 10+ years of work experience as an Oracle APPS DBA

Description

At times, DBAs support 100s of databases at work. In such scenarios, using a command-line tool like putty adds to the difficulty, while SQL Developer makes the life of a developer, DBA, or DB architect easier by providing a graphical user interface equipped with features that can bolster and enhance the user experience and boost efficiency. Features such as DBA panel, Reports, Data Modeler, and Data Miner are just a few examples of its rich features, and its support for APEX, REST Services, timesten, and third-party database drivers demonstrate its extensibility. You may be a newbie to databases or a seasoned database expert, either way this book will help you understand the database structure and the different types of objects that organize enterprise data in an efficient manner. This book introduces the features of the SQL Developer 4.1 tool in an incremental fashion, starting with installing them, making the database connections, and using the different panels. By sequentially walking through the steps in each chapter, you will quickly master SQL Developer 4.1.

Who is this book for?

This book is intended for Oracle developers who are responsible for database management. You are expected to have programming knowledge of SQL and PL/SQL, and must be familiar with basic Oracle database concepts.

What you will learn

  • • Install and navigate through all the advanced features of SQL Developer that were introduced in version 4.1
  • • Browse, create, edit, and delete (drop) database objects
  • • Use the SQL worksheet to run SQL statements and scripts, edit and debug PL/SQL code, manipulate and export (unload) data
  • • Carry out all DBA-related activities such as exporting/importing, tuning, and analyzing database performance issues
  • • Quickly analyze, create, and edit the data model using data modeler
  • • Extend the SQL developer capabilities by exploring the APEX related pages, enabling and working with RESTful services.
  • • Use the available reports and create new custom reports with custom scripts
  • • Grasp how to connect to third-party databases and work smoothly with them
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Publication date, Length, Edition, Language, ISBN-13
Publication date : Jan 30, 2016
Length: 344 pages
Edition : 1st
Language : English
ISBN-13 : 9781785281273
Vendor :
Oracle
Category :
Data
Languages :
SQL
Concepts :
Database Administration
Tools :
SQL Developer

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Publication date : Jan 30, 2016
Length: 344 pages
Edition : 1st
Language : English
ISBN-13 : 9781785281273
Vendor :
Oracle
Category :
Data
Languages :
SQL
Concepts :
Database Administration
Tools :
SQL Developer

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Table of Contents

15 Chapters
1. Getting Started with SQL Developer 4.1 Chevron down icon Chevron up icon
1. Getting Started with SQL Developer 4.1
Preparing your environment
A quick overview
Navigating around SQL Developer
Database certification matrix (Oracle & Third-Party)
Finding more help
Summary
2. Database Connections and SQL Worksheet Chevron down icon Chevron up icon
2. Database Connections and SQL Worksheet
Working with the Connections navigator
Working with database objects
Display editors
Working with the data grids
Reviewing other database object nodes
Creating new database objects
Editing database objects – putting context menus to work
Script Runner/Running scripts
Command-line interface for SQL formatting
SQL Worksheet "hints" for formatting output
Summary
3. The Power of SQL Reports Chevron down icon Chevron up icon
3. The Power of SQL Reports
Introducing SQL Developer reports
Creating your own reports
DB Doc generation
Summary
4. Working with PL/SQL Chevron down icon Chevron up icon
4. Working with PL/SQL
Creating, compiling, and debugging PL/SQL
Summary
5. SQL Developer for DBAs Chevron down icon Chevron up icon
5. SQL Developer for DBAs
Database instance viewer
Finding database objects
Database configuration – initialization parameters
Automatic undo management
Current database properties
Restore points
Data Pump
Export Jobs
Import Jobs
Performance
Snapshots (filtered)
Baselines
Baseline templates
Automatic Database Diagnostic Monitor (ADDM)
ASH Report Viewer
AWR
RMAN Backup/Recovery
Resource manager
Consumer group mappings
Consumer groups
Plans
Settings
Statistics
Scheduler
Global Attributes
Job Classes
External Destinations
Security
Audit Settings
Profiles
Roles
Users
Storage
Archive Logs
Control Files
Datafiles
Redo Log Groups
Rollback Segments
Tablespaces
Temporary Tablespace Groups
Summary
6. SQL Developer Accessibility Chevron down icon Chevron up icon
6. SQL Developer Accessibility
Screen reader readability
Keyboard access
Font and color choices
No audio-only feedback
Screen magnifier usability
Change the editor or tabbed view of a file
Read text in a multi-line edit field
Read the line number in the source editor
Customize the accelerators keys
The look and feel of SQL Developer
Customize syntax highlighting
Display line numbers in Code Editor
Timing for completion insight
Specify the columns in the Debugger
Summary
7. Importing, Exporting, and Working with Data Chevron down icon Chevron up icon
7. Importing, Exporting, and Working with Data
Exporting data
Importing data
Summary
8. Database Connections and JDBC Drivers Chevron down icon Chevron up icon
8. Database Connections and JDBC Drivers
Working with Oracle connections
Creating non-Oracle database connections
Summary
9. Introducing SQL Developer Data Modeler Chevron down icon Chevron up icon
9. Introducing SQL Developer Data Modeler
Oracle SQL Developer Data Modeler
Getting started
Working with diagrams and their components
Analysis, design, and generation
Summary
10. Extending SQL Developer Chevron down icon Chevron up icon
10. Extending SQL Developer
Introducing extensibility
Working with extensions
Summary
11. Working with Application Express Chevron down icon Chevron up icon
11. Working with Application Express
Setting the scene
Summary
12. Working with SQL Developer Migrations Chevron down icon Chevron up icon
12. Working with SQL Developer Migrations
Introducing SQL Developer Migrations
Setting up your environment
Migrating
Summary
13. Oracle Data Miner 4.1 Chevron down icon Chevron up icon
13. Oracle Data Miner 4.1
Data source node
JSON data type
The APIs for data mining
Summary
14. REST Data Services and REST Development Chevron down icon Chevron up icon
14. REST Data Services and REST Development
About Oracle REST Data Services
The Oracle REST Data Services Administration toolbar and context menu
About RESTful services
Summary
Index Chevron down icon Chevron up icon
Index

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About the authors

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Profile icon Susan Harper
Susan Harper
Sue Harper was a senior school mathematics and science teacher by profession. It was this teaching qualification that opened the door to Oracle in South Africa, where Sue started as a SQL, PL/SQL, SQL Forms, and Reports instructor in 1992. Before long she'd added Oracle Designer to her repertoire and soon left for the UK, to join the Designer curriculum development team. Sue was a course writer and then product manager for Oracle Designer for many years, traveling extensively meeting customers and training Oracle staff and instructors. Sue was later product manager for Oracle JDeveloper working with database and modeling tools in that product. Sue is currently product manager for Oracle SQL Developer, SQL Developer Data Modeler, and SQL Developer Migrations. Based at home, Sue works with her team, scattered around the world and customers, running web-based training sessions or helping with individual queries. She frequently attends conferences where she presents SQL Developer material and works with customers on their queries. Sue lives in West London, where she enjoys walking with her camera and her dog in the extensive local parks and further afield throughout the UK.
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Profile icon Ajith Narayanan
Ajith Narayanan
Ajith Narayanan is the chief technology officer (CTO) of InfraStack-Labs in Bangalore, India, and has more than 11 years of work experience as an Oracle [apps] DBA and platform architect with expertise in infrastructure architecture, capacity planning, and performance tuning of medium to large e-business suite environments. He holds a postgraduate degree with PGDBA (finance) from Symbiosis, Pune, an M.S. (software systems) from BITS Pilani, a BE (electronics and communication) from Amrita Institute of Technology, and a diploma (computer technology) from Sree Narayana Guru Institute of Technology. He has worked in different technical positions as an Oracle DBA, APPS DBA, Oracle apps platform architect, and configuration management technical leader in companies such as GE, Dell, JP MorganChase, Oracle, and TCS. Ajith was at GE before joining InfraStack-Labs. He is also a regular speaker at national and international Oracle user group conferences such as SANGAM, NZOUG, DOAG, UKOUG, OTN APAC Tour, AIOUG Tech Days, and so on. His white papers have been published on the Oracle Technology Network in English, Portuguese, and Spanish. Ajith is currently serving the ORACLERACSIG board as the web seminar chair (from October 2015), and has previously served the board as the website chair (September 2011 to September 2013).
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FAQs

What is the delivery time and cost of print book? Chevron down icon Chevron up icon

Shipping Details

USA:

'

Economy: Delivery to most addresses in the US within 10-15 business days

Premium: Trackable Delivery to most addresses in the US within 3-8 business days

UK:

Economy: Delivery to most addresses in the U.K. within 7-9 business days.
Shipments are not trackable

Premium: Trackable delivery to most addresses in the U.K. within 3-4 business days!
Add one extra business day for deliveries to Northern Ireland and Scottish Highlands and islands

EU:

Premium: Trackable delivery to most EU destinations within 4-9 business days.

Australia:

Economy: Can deliver to P. O. Boxes and private residences.
Trackable service with delivery to addresses in Australia only.
Delivery time ranges from 7-9 business days for VIC and 8-10 business days for Interstate metro
Delivery time is up to 15 business days for remote areas of WA, NT & QLD.

Premium: Delivery to addresses in Australia only
Trackable delivery to most P. O. Boxes and private residences in Australia within 4-5 days based on the distance to a destination following dispatch.

India:

Premium: Delivery to most Indian addresses within 5-6 business days

Rest of the World:

Premium: Countries in the American continent: Trackable delivery to most countries within 4-7 business days

Asia:

Premium: Delivery to most Asian addresses within 5-9 business days

Disclaimer:
All orders received before 5 PM U.K time would start printing from the next business day. So the estimated delivery times start from the next day as well. Orders received after 5 PM U.K time (in our internal systems) on a business day or anytime on the weekend will begin printing the second to next business day. For example, an order placed at 11 AM today will begin printing tomorrow, whereas an order placed at 9 PM tonight will begin printing the day after tomorrow.


Unfortunately, due to several restrictions, we are unable to ship to the following countries:

  1. Afghanistan
  2. American Samoa
  3. Belarus
  4. Brunei Darussalam
  5. Central African Republic
  6. The Democratic Republic of Congo
  7. Eritrea
  8. Guinea-bissau
  9. Iran
  10. Lebanon
  11. Libiya Arab Jamahriya
  12. Somalia
  13. Sudan
  14. Russian Federation
  15. Syrian Arab Republic
  16. Ukraine
  17. Venezuela
What is custom duty/charge? Chevron down icon Chevron up icon

Customs duty are charges levied on goods when they cross international borders. It is a tax that is imposed on imported goods. These duties are charged by special authorities and bodies created by local governments and are meant to protect local industries, economies, and businesses.

Do I have to pay customs charges for the print book order? Chevron down icon Chevron up icon

The orders shipped to the countries that are listed under EU27 will not bear custom charges. They are paid by Packt as part of the order.

List of EU27 countries: www.gov.uk/eu-eea:

A custom duty or localized taxes may be applicable on the shipment and would be charged by the recipient country outside of the EU27 which should be paid by the customer and these duties are not included in the shipping charges been charged on the order.

How do I know my custom duty charges? Chevron down icon Chevron up icon

The amount of duty payable varies greatly depending on the imported goods, the country of origin and several other factors like the total invoice amount or dimensions like weight, and other such criteria applicable in your country.

For example:

  • If you live in Mexico, and the declared value of your ordered items is over $ 50, for you to receive a package, you will have to pay additional import tax of 19% which will be $ 9.50 to the courier service.
  • Whereas if you live in Turkey, and the declared value of your ordered items is over € 22, for you to receive a package, you will have to pay additional import tax of 18% which will be € 3.96 to the courier service.
How can I cancel my order? Chevron down icon Chevron up icon

Cancellation Policy for Published Printed Books:

You can cancel any order within 1 hour of placing the order. Simply contact [email protected] with your order details or payment transaction id. If your order has already started the shipment process, we will do our best to stop it. However, if it is already on the way to you then when you receive it, you can contact us at [email protected] using the returns and refund process.

Please understand that Packt Publishing cannot provide refunds or cancel any order except for the cases described in our Return Policy (i.e. Packt Publishing agrees to replace your printed book because it arrives damaged or material defect in book), Packt Publishing will not accept returns.

What is your returns and refunds policy? Chevron down icon Chevron up icon

Return Policy:

We want you to be happy with your purchase from Packtpub.com. We will not hassle you with returning print books to us. If the print book you receive from us is incorrect, damaged, doesn't work or is unacceptably late, please contact Customer Relations Team on [email protected] with the order number and issue details as explained below:

  1. If you ordered (eBook, Video or Print Book) incorrectly or accidentally, please contact Customer Relations Team on [email protected] within one hour of placing the order and we will replace/refund you the item cost.
  2. Sadly, if your eBook or Video file is faulty or a fault occurs during the eBook or Video being made available to you, i.e. during download then you should contact Customer Relations Team within 14 days of purchase on [email protected] who will be able to resolve this issue for you.
  3. You will have a choice of replacement or refund of the problem items.(damaged, defective or incorrect)
  4. Once Customer Care Team confirms that you will be refunded, you should receive the refund within 10 to 12 working days.
  5. If you are only requesting a refund of one book from a multiple order, then we will refund you the appropriate single item.
  6. Where the items were shipped under a free shipping offer, there will be no shipping costs to refund.

On the off chance your printed book arrives damaged, with book material defect, contact our Customer Relation Team on [email protected] within 14 days of receipt of the book with appropriate evidence of damage and we will work with you to secure a replacement copy, if necessary. Please note that each printed book you order from us is individually made by Packt's professional book-printing partner which is on a print-on-demand basis.

What tax is charged? Chevron down icon Chevron up icon

Currently, no tax is charged on the purchase of any print book (subject to change based on the laws and regulations). A localized VAT fee is charged only to our European and UK customers on eBooks, Video and subscriptions that they buy. GST is charged to Indian customers for eBooks and video purchases.

What payment methods can I use? Chevron down icon Chevron up icon

You can pay with the following card types:

  1. Visa Debit
  2. Visa Credit
  3. MasterCard
  4. PayPal
What is the delivery time and cost of print books? Chevron down icon Chevron up icon

Shipping Details

USA:

'

Economy: Delivery to most addresses in the US within 10-15 business days

Premium: Trackable Delivery to most addresses in the US within 3-8 business days

UK:

Economy: Delivery to most addresses in the U.K. within 7-9 business days.
Shipments are not trackable

Premium: Trackable delivery to most addresses in the U.K. within 3-4 business days!
Add one extra business day for deliveries to Northern Ireland and Scottish Highlands and islands

EU:

Premium: Trackable delivery to most EU destinations within 4-9 business days.

Australia:

Economy: Can deliver to P. O. Boxes and private residences.
Trackable service with delivery to addresses in Australia only.
Delivery time ranges from 7-9 business days for VIC and 8-10 business days for Interstate metro
Delivery time is up to 15 business days for remote areas of WA, NT & QLD.

Premium: Delivery to addresses in Australia only
Trackable delivery to most P. O. Boxes and private residences in Australia within 4-5 days based on the distance to a destination following dispatch.

India:

Premium: Delivery to most Indian addresses within 5-6 business days

Rest of the World:

Premium: Countries in the American continent: Trackable delivery to most countries within 4-7 business days

Asia:

Premium: Delivery to most Asian addresses within 5-9 business days

Disclaimer:
All orders received before 5 PM U.K time would start printing from the next business day. So the estimated delivery times start from the next day as well. Orders received after 5 PM U.K time (in our internal systems) on a business day or anytime on the weekend will begin printing the second to next business day. For example, an order placed at 11 AM today will begin printing tomorrow, whereas an order placed at 9 PM tonight will begin printing the day after tomorrow.


Unfortunately, due to several restrictions, we are unable to ship to the following countries:

  1. Afghanistan
  2. American Samoa
  3. Belarus
  4. Brunei Darussalam
  5. Central African Republic
  6. The Democratic Republic of Congo
  7. Eritrea
  8. Guinea-bissau
  9. Iran
  10. Lebanon
  11. Libiya Arab Jamahriya
  12. Somalia
  13. Sudan
  14. Russian Federation
  15. Syrian Arab Republic
  16. Ukraine
  17. Venezuela