Each row in a database is called a record For simple collections of information,

Question

Each row in a database is called a record For simple collections of information, flat-file databases arc usually adequate Primary and foreign keys link records across multiple tables in a relational database. When accessing databases with PUP. you must use a data manipulation language. The WHERE keyword specifics the conditions that must be met for records to be returned from a query The mysql_close {) function is used to explicitly close a database connection. The mysql_error () function returns a value of FALSE if it detects an error. A list of records that arc returned from a query is called a result set. Cookies created with the name and value arguments arc temporary cookies. You can use special characters in cookies created in PUP. The session_start () function does not accept any arguments Session state information is stored in the S SESS ION autoglob.il Identify the choke that best completes the statement or answers the question. 31. arc lines you place in your code that do not get executed but provide helpful information such as the name of the script, your name and the date your created the program a. Pointers c. Comments b. Instructions The print_r ().var_export(). and var_dump() functions arc used with ____ to display the index and value of each element. a. variables c. arrays b. functions 33. A(n) operator is used in PUP to perform mathematical calculations a- c. calculation b. arithmetic

Explanation / Answer

19) True ( Each row in a database is also called a record or tuple)

20) True (flat-file databases are usually adequate,For simple collections of information)

21) True (Both the keys are used to link records across multiple tables in RDBMS)

22) True (Accessing DB with PHP,must use DML (Insert,Delete,update))

23) True (conditions in WHERE keyword must be met to return a record from a query)

24) True (mysql_close() function closes a opened database connection)

25) False (mysql_error() function returns error text from most recent call)

26) True (resultset --> list of records that are returned from a query)

27) True (setcookie() function are temporary cookies because they are available for only the current browser session)

28) True (we can use special characters in cookies that are created in PHP)

29) True (session_start() function does not accept any arguments used to start/Resuming existing Session)

30) True (Yes, $_SESSION autoglobal has session state information)

31) Comments

32) Variables

33) Arthmetic

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