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emmasim [6.3K]
1 year ago
12

Using the Sakila database, create a query that displays the film title, description, as well the actor first and last name for a

ll films that begin with the letters 'zo'.
Computers and Technology
1 answer:
Alex787 [66]1 year ago
7 0

Answer:

Select title, description , first_name, last_name from film inner join film_actor on film.film_id = film_actor.film_id inner join actor on film_actor.actor_id = actor.actor_id where title LIKE 'zo%';

Explanation:

  • The INNER JOIN keyword selects records that have matching values in both tables.
  • The WHERE clause is used to filter records.
  • The WHERE clause is used to extract only those records that fulfill a specified condition.
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Which of the following is true with regard to defensive programming? Preconditions should never be visible to callers. Program c
Firlakuza [10]

Answer:

The correct point about defensive programming is that the "program code frequently assumes that input will be valid and that algorithms will behave as expected".

Explanation:

8 0
1 year ago
Write multiple if statements: If carYear is before 1968, print "Probably has few safety features." (without quotes). If after 19
jekas [21]

Answer:

Following is the statement in the C language :

if(carYear < 1968)

printf("\nProbably has a few safety features.\n");

if(carYear > 1970 && carYear <=1991 )

printf("\nProbably has head rests.\n");

if(carYear > 1991 && carYear <=2002)

printf("\nProbably has anti-lock brakes\n.");

if(carYear > 2002)

printf("\nProbably has airbags.\n");

Explanation:

Following is the description of the statement:

  • In the given question we used if block. The if block is only executed when their condition is true.
  • if(carYear < 1968) In this we check we the value of "carYear" variable is less then 1968 then it prints "Probably has a few safety features." in the console window.
  • if(carYear > 1970 && carYear <=1991) In this we check we the value of "carYear" variable is greater then 1970 and less then 1992 it prints "Probably has head rests" in the console window.
  • if(carYear > 1991 && carYear <=2002 ) In this we check we the value of "carYear" variable is greater then 1991 and less then 2003 it prints "Probably has anti-lock brakes" in the console window.
  • if(carYear > 2002) In this we check we the value of "carYear" variable is greater then 2002 then it prints "Probably has airbags" in the console window.

6 0
2 years ago
Which two functions are provided to users by the context-sensitive help feature of the Cisco IOS CLI? (Choose two.)
Svetach [21]

Answer:

B. displaying a list of all available commands within the current mode*

D. determining which option, keyword, or argument is available for the entered command*

Explanation:

Cisco IOS are known for using Command line interface(CLI) that allows execution of certain commands

Cisco system make use devices such as router, switch and others. All these Commans comes with privileged levels that gives access to user that have privilege to access between level 0 and 15.

It should be noted that two functions that are provided to users by the context-sensitive help feature of the Cisco IOS CLI are ;

✓displaying a list of all available commands within the current mode

✓ determining which option, keyword, or argument is available for the

5 0
2 years ago
Which of the following commands uses correct syntax for matching the patterns bunk or bank at the end of a line of text?
Alika [10]

Answer:

a. grep 'b[au]nk$' myLine

Explanation:

grep is a command used for searching a specified pattern in a given text.

Our goal is to match the character sequence - bank or bunk at the end of line in a  given line referenced by myLine.

The regular expression for the specified match criterion is:

b[au]nk$

The second character can be either a or u.

$ indicates match at end of line.

So the overall grep command is :

grep 'b[au]nk$' myLine

8 0
1 year ago
When you are shopping online and finalizing your order, you usually fill in forms for your name, address, email, and payment met
aksik [14]

Answer:

a.JavaScript

Explanation:

<em>Form validation</em> is adopted to prevent the abuse of web form by malicious users, data that are not properly validated causes or leads to security vulnerabilities, thereby making a website to be at a risk of being attacked by malicious users.

<em>Validation rules</em> checks that the data a user enters in a record meets the specify standards before the user is allowed to save the record, a validation rule evaluates the data in one or more fields and return it as true or false.

<em>JavaScript form validation  can be used to check all required fields, the steps are adopted are:</em>

<em>i) Basic validation − The form is first checked to make sure that all the mandatory fields are filled.</em>

<em>ii) Data format validation −The data that is entered is then checked for correct form and value before allowing to proceed, submit or save the record.</em>

6 0
1 year ago
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