Simple .NET/ASP.NET PDF document editor web control SDK

Next create and apply a custom layout for the Act I slides that leaves the headlines white so that they are hidden on the screen. On the Setting slide, include a chart tailored to your client s numbers, as shown on the upper left in Figure 9-33, showing the numbers dropping as you describe your hidden headline Your numbers have been off the mark, and add the dartboard to introduce your motif. On the Role slide (upper right), continue the line upward so that it hits the bull s eye in the center of the dartboard as you verbally explain the hidden headline You re under pressure to improve your game. On the Point A slide (lower left), add the photo of the dart and rotate it to point upward, off-target from a red bull s eye that you create using the PowerPoint drawing tools here you ll relate the hidden headline Your messages are not reaching your target. Next, on the Point B slide (lower right), rotate the dart so that it hits the middle of the bull s eye target as you explain your hidden headline You d like to hit the target more accurately and frequently.

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One major benefit of using a dedicated database system is getting support for relational databases. A relational database is a database that s comprised of data grouped into one or more tables that can be linked together. A table stores information about one type of thing. For example, an address book database might be made up of a people table, an addresses table, and a phonenumbers table. Each table stores information about people, addresses, and phone numbers, respectively. The people table would likely have a number of attributes (known as columns, in database land) such as name, age, and gender. Each row of the table that is, an individual person would then have information in each column. Figure 9-1 shows an example.

Strings. Strings are really simple they are just pieces of text. And yet there is a lot to know about them. In this chapter, you ve seen many ways to write them, and in 3 you learn many ways of using them.

Figure 9-1 s example also includes a column called id. In relational databases it s standard procedure to have an id column on most tables to identify each row uniquely. Although you could look up and retrieve data based on other columns, such as name, numeric IDs are useful when you re creating relationships between tables.

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Note In Figure 9-1, the table headings are written in a typical style, as you d expect in a normal address

book or spreadsheet. However, when dealing with relational databases at a lower level, it s reasonably common to use all lowercase names for column and table names. This explains why the text, and later code examples, in this chapter, will refer to table and column names in lowercase only.

If you can pull it off, bring a real dartboard to the sales call that uses darts with plastic safety tips, and hang it on a wall or place it on a chair. When you click to the Point A slide, throw a dart and miss the bull s eye. When you advance to the Point B slide, place a dart in the bull s eye by hand. Of course, using a prop is a good way to prompt a conversation for example, during the Point A slide, you might ask, Do you always hit a bull s eye with your messaging and during the Point B slide, you might ask, Would you like to nd a way to hit the target more accurately

One benefit of relational databases is the way rows in different tables can be related to one another. For example, your people table could have an address_id column that stores the ID of the address associated with this user. If you want to find out the address of a particular person, you can look up his or her address_id, and then look up the relevant row of the addresses table. The reason for this sort of relationship is that many people in your people database might share the same address, and rather than store the address separately for each person, it s more efficient to store a reference instead. This also means that if you update the address in the future, it updates for all the relevant users at the same time. Relationships also make it possible to do many-to-many relationships. You could create a separate table called related_people that has two columns, first_person_id and second_person_id. This table could store pairs of ID numbers that signify two people are related to each other. To work out to whom a person is related, you can simply look for any rows mentioning his or her ID number and you d get back the ID numbers of that person s related people. This sort of relationship is used in most databases and is what makes relational databases so useful.

abs(number) cmath.sqrt(number) float(object) help() input(prompt) int(object) long(object) math.ceil(number) math.floor(number) math.sqrt(number) pow(x, y[, z]) raw_input(prompt) repr(object) round(number[, ndigits]) str(object)