Driving Behavioral Change for Information Management through Data-Driven Gree...
Introtodatabase 1
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4. What is a data kildare Male Couper Tristan 01/01/1987 kildare Male Connolly Aidan kildare Male Clarke Richard 13/07/1980 meath Female Griffin Sheila 11/11/1977 meath Male Meagher David 01/05/1978 dublin Male O'Sullivan John 31/05/1972 dublin Male Murphy John date of birth County Gender Surname First Name
5. What is a database Address table kildare Male Couper Tristan 7 01/01/1987 kildare Male Connolly Aidan 6 kildare Male Clarke Richard 5 13/07/1980 meath Female Griffin Sheila 4 11/11/1977 meath Male Meagher David 3 01/05/1978 dublin Male O'Sullivan John 2 31/05/1972 dublin Male Murphy John 1 date of birth County Gender Surname First Name id
6. What are data types Address table kildare Male Couper Tristan 7 01/01/1987 kildare Male Connolly Aidan 6 kildare Male Clarke Richard 5 13/07/1980 meath Female Griffin Sheila 4 11/11/1977 meath Male Meagher David 3 01/05/1978 dublin Male O'Sullivan John 2 31/05/1972 dublin Male Murphy John 1 date varchar varchar varchar varchar integer
7. What is data normalization Address table kildare Male Couper Tristan 7 01/01/1987 kildare Male Connolly Aidan 6 kildare Male Clarke Richard 5 13/07/1980 meath Female Griffin Sheila 4 11/11/1977 meath Male Meagher David 3 01/05/1978 dublin Male O'Sullivan John 2 31/05/1972 dublin Male Murphy John 1 date of birth County Gender Surname First Name id
8. What is data normalization Address table county table kildare Male Couper Tristan 7 01/01/1987 kildare Male Connolly Aidan 6 kildare Male Clarke Richard 5 13/07/1980 meath Female Griffin Sheila 4 11/11/1977 meath Male Meagher David 3 01/05/1978 dublin Male O'Sullivan John 2 31/05/1972 dublin Male Murphy John 1 date of birth County Gender Surname First Name id meath kildare dublin County
9. What is data normalization Address table county table 2 Male Couper Tristan 7 01/01/1987 2 Male Connolly Aidan 6 2 Male Clarke Richard 5 13/07/1980 3 Female Griffin Sheila 4 11/11/1977 3 Male Meagher David 3 01/05/1978 1 Male O'Sullivan John 2 31/05/1972 1 Male Murphy John 1 date of birth CId Gender Surname First Name id meath 3 kildare 2 dublin 1 County Cid
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22. Connecting to a Database through PHP <?php include 'DBconfig.php'; include 'DBopen.php'; // ... do something like insert or select, etc ?>
23. Closing a Database through PHP <?php // an example of closedb.php // it does nothing but closing // a mysql database connection mysql_close($conn); ?> <?php include 'config.php'; include 'opendb.php'; // ... do something like // insert or select, etc include 'dbclose.php'; ?>
24. Listing data in a database using PHP To get PHP to execute MySQL statements we must use the mysql_query() function. This function is used to send a query or command to a MySQL connection. e.g.: Using PHP you can run a MySQL SELECT query to fetch the data out of the database. You have several options in fetching information from MySQL. PHP provide several functions for this. The first one is mysql_fetch_array() which fetches a result row as an associative array , a numeric array , or both. Below is an example of fetching data from MySQL, the table contacts has three columns; cF name , c Lname and c Age .
25. Listing data in a database using PHP <?php include 'DBconfig.php'; include 'DBopen.php'; $query = "SELECT cFname, cLname, cAge FROM contacts"; $result = mysql_query($query); while($row = mysql_fetch_array($result, MYSQL_ASSOC)){ echo "First Name: $row[Fname] <br>". "Second Name: $row[Lname] <br>". "Age: $row[age] <br><br>"; } include 'DBclose.php'; ?>
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