Crestron CT-3000 Especificações descarregar pdf (Página 32)

Crestron e-control Database Manager SW-DBM

32 •• The Database File Installation & Reference Guide — DOC. 5823

Debug Info is checked, the buttons each contain additional information of the

form m=n where m is the absolute signal number (included only when

different from n).

Selecting the command again removes the checkmark and the additional

information is excluded.

This option is also “sticky” like the Timestamps command.

• Log | Find… brings up the following modal window which helps locate a

specific signal.

Signal log search window.

Searches can be performed with and without case sensitivity by checking the

Match Case option. When the window opens this option is unchecked —

meaning that the search algorithm disregards the upper- and lower-case status

of the characters in the search key.

Also when the window opens, the search direction is set to Forward to end

meaning that the search will begin with the signal on the highlighted line and

will continue to the end of the log. The other options are Forward from top

which searches the entire log; Backward to top which searches beginning with

the signal on the highlighted line and continuing back to the beginning of the

log; and Forward to end then wrap around from top which also searches the

entire log starting with the signal on the highlighted line.

The Database File

Database Fundamentals

For the reader unfamiliar with database concepts, this section will serve as a primer.

Tables

A relational database is composed of tables of information. Each table consists of

rows and columns. Each row represents one database record; the columns in the row

describe all of the attributes for that record. For example, the sample Addresses table

has a row for each company. The columns of this table are address id (an index

number that is unique for each record), company, address, city, state, postal code,

country, email address, work phone, fax number. Following is a portion of the table:

A portion of address book table used by demo1, as viewed from Microsoft Access.

The table was created using Microsoft Access. You can create any arbitrary database

using Access; once the table is created, you do not need Access to run the system.

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Crestron CT-3000 Especificações Página 32