Take Advantage of Using Subqueries
Take Advantage of Using Subqueries
... 6.5 Take Advantage of Using Subqueries I think there are some duplicate records in one of my tables. Also, I need to know which of the cities (and regions) in a Northwind ... view that is joined. Performancewise, there is no benefit or degradation in using subqueries. In addition to using subqueries in WHERE clauses, you can use them anywhere you would use an expression....
Ngày tải lên: 24/10/2013, 12:15
Nghiên cứu tận dụng nhiệt từ khí xả động cơ reaseach to take full advantage of exhaust gas from engines
... So, it is needed to pay attention to ensuring the economic result effect. One of the methods is to take full advantage of Exhaust Gas from engines to use equipment to keep raw produces in good condition ... lạnhDiesel Máy phát điệnMáy lạnhNGHIÊN CỨU TẬN DỤNG NHIỆT TỪ KHÍ XẢ ĐỘNG CƠREASEACH TO TAKE FULL ADVANTAGE OF EXHAUST GAS FROM ENGINESNGUYỄN HỮU HUỆ - CHU MAI VINHTrường Trun...
Ngày tải lên: 06/12/2012, 08:27
The research of using epad technology to support activities in administrative system
... used: it decides the effect of the software including powerful, fast, etc or the compatibility with other softwares or browsers.• The cost of the software: the cheaper software is better.• Graphic ... interface decides the easy-to-use aspect of software.However, many software which satisfy all factors above have failed in real life. One reason that all softwares built for administrative...
Ngày tải lên: 23/11/2012, 15:04
The “advantage of latecomer” in abating air-pollution: the East Asian experience
... TRƯỜNG ĐẠI HỌC KINH TẾ TP.HỒ CHÍ MINH KHOA ĐÀO TẠO SAU ĐẠI HỌC ĐỀ TÀI The advantage of latecomer” in abating air-pollution: the East Asian experience ... kiến thức lý thuyết của môn học này, nhóm đã tiến hành phân tích bài báo khoa học “The advantage of latecomer” in abating air- pollution: the East Asian experience”. Trong phạm vi ... Air pollution (Ô nhiễm không khí) Environmental man...
Ngày tải lên: 13/04/2013, 21:59
ADC KRONE - Guide Book - FTTP - Advantage of Centralized Splitters in FTTP networks
... offer voice services, diluting the take rate figure to something less than 100%. Additionally, if the subdivision is built over a period of several years, there could be a wide diversity of take ... particularly when high take rates are certain or in extremely rural areas where fiber costs become more of a factor. However, careful consideration must be taken in light of the many...
Ngày tải lên: 16/10/2013, 05:15
Take Care of Error Handling with Bound Controls
... example. • Specific types of exceptions inherit from the base class of System.Exception. OleDbException is one of those classes, and you will see an example of using this class in the following ... errors are handled gracefully within the application using bound controls? Technique Error handling is one of the most important aspects of working with data, between when a...
Ngày tải lên: 28/10/2013, 19:15
Advantage of Centralized Splitters in FTTP Networks
... offer voice services, diluting the take rate figure to something less than 100%. Additionally, if the subdivision is built over a period of several years, there could be a wide diversity of take ... would eventually be 32 fibers reaching the ONTs of 32 homes. Advantage of Centralized Splitters in FTTP Networks 1x4 or 1x8 Splitter Central Office OSP Enclosure 1x4 or 1x8 Splitt...
Ngày tải lên: 04/11/2013, 13:15
Lecture of using english letters and emails
... (e.g.Dr/Professor/General) Yours sincerely PTSC M&C - Construction Dept - English in email & letter C U TRÚC CƠ B N C A EMAILẤ Ả Ủ Introduction:Email (electronic mail) - means of sending ... sending messages between computers. Advantages: personal and easy to use; usefull for short messages and daily correspondece (ex: set up a meeting, mark a request. Disadvantages: include...
Ngày tải lên: 09/12/2013, 11:25
A cross cultural study of using hedges in refusing a request in english and vietnamese
... farming. Thus, when using simile and metaphor in idioms, they often take the familiar things which regularly exist in their daily lives and their way of thinking as the images of comparison. This, ... features. Using idioms in everyday enriches the color of language and abundance of life. Both English and Vietnamese languages are rich in images and have a lot of idioms. A...
Ngày tải lên: 14/12/2013, 00:41
How to take care of timber decks, cladding, garden sheds, furniture etc – the proper way
... following course of action. After seasoning has taken place, ideally having been treated with Seasonite when installed, & several months (6+) of controlled weathering has taken place, your ... variations in advice offered, some good and unfortunately lots not so good. Every day I come across the after-effects of all such products and bad advice out there in the course of my...
Ngày tải lên: 17/12/2013, 11:08