Craig Willey
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College C192 Databases Quiz sobre C192 / SQL , criado por Craig Willey em 30-06-2020.

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Craig Willey
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C192 / SQL

Questão 1 de 17

1

The SQL command that enables you to make changes in the data is ____.

Selecione uma das seguintes:

  • INSERT

  • SELECT

  • COMMIT

  • UPDATE

Explicação

Questão 2 de 17

1

To list all the contents of the PRODUCT table, you would use ____.

Selecione uma das seguintes:

  • LIST * FROM PRODUCT;

  • SELECT * FROM PRODUCT;

  • DISPLAY * FROM PRODUCT;

  • SELECT ALL FROM PRODUCT;

Explicação

Questão 3 de 17

1

Which command would you use when making corrections to the PRODUCT table?

Selecione uma das seguintes:

  • CHANGE PRODUCT
    SET P_INDATE = '01/18/2004'
    WHERE P_CODE = '13-Q2/P2';

  • ROLLBACK PRODUCT
    SET P_INDATE = '01/18/2004'
    WHERE P_CODE = '13-Q2/P2';

  • EDIT PRODUCT
    SET P_INDATE = '01/18/2004'
    WHERE P_CODE = '13-Q2/P2';

  • UPDATE PRODUCT
    SET P_INDATE = '01/18/2004'
    WHERE P_CODE = '13-Q2/P2';

Explicação

Questão 4 de 17

1

Which command is used to select partial table contents?

Selecione uma das seguintes:

  • SELECT <column(s)>
    FROM <Table name>
    WHERE <Item>;

  • LIST <column(s)>
    FROM <Table name>
    WHERE <Conditions>;

  • SELECT <column(s)>
    FROM <Table name>
    WHERE <Conditions>;

  • LIST<column(s)>
    FROM <Table name>
    WHERE <Item>;

Explicação

Questão 5 de 17

1

Which query will output the table contents when the value of V_CODE is less than or equal to 21344?

Selecione uma das seguintes:

  • SELECT P_DESCRIPT, P_INDATE, P_PRICE, V_CODE
    FROM PRODUCT
    WHERE V_CODE <> 21344;

  • SELECT P_DESCRIPT, P_INDATE, P_PRICE, V_CODE
    FROM PRODUCT
    WHERE V_CODE <=21344;

  • SELECT P_DESCRIPT, P_INDATE, P_PRICE, V_CODE
    FROM PRODUCT
    WHERE V_CODE => 21344;

  • SELECT P_DESCRIPT, P_INDATE, P_PRICE, V_CODE
    FROM PRODUCT
    WHERE V_CODE = 21344;

Explicação

Questão 6 de 17

1

What is the SQL syntax requirement to list the table contents for either V_CODE = 21344 or V_CODE = 24288?

Selecione uma das seguintes:

  • SELECT P_DESCRIPT, P_INDATE, P_PRICE, V_CODE
    FROM PRODUCT
    WHERE V_CODE = 21344
    OR V_CODE <= 24288

  • SELECT P_DESCRIPT, P_INDATE, P_PRICE, V_CODE
    FROM PRODUCT
    WHERE V_CODE = 21344
    OR V_CODE => 24288

  • SELECT P_DESCRIPT, P_INDATE, P_PRICE, V_CODE
    FROM PRODUCT
    WHERE V_CODE = 21344
    OR V_CODE > 24288

  • SELECT P_DESCRIPT, P_INDATE, P_PRICE, V_CODE
    FROM PRODUCT
    WHERE V_CODE = 21344
    OR V_CODE = 24288

Explicação

Questão 7 de 17

1

What is the command used to list the P_CODE, P_DESCRIPT, P_INDATE, and P_PRICE fields from the Product table in ascending order by P_PRICE?

Selecione uma das seguintes:

  • SELECT P_CODE, P_DESCRIPT, P_INDATE, P_PRICE
    FROM PRODUCT
    SEQUENCE BY P_PRICE;

  • SELECT P_CODE, P_DESCRIPT, P_INDATE, P_PRICE
    FROM PRODUCT
    LIST BY P_PRICE;

  • SELECT P_CODE, P_DESCRIPT, P_INDATE, P_PRICE
    FROM PRODUCT
    ORDER BY P_PRICE;

  • SELECT P_CODE, P_DESCRIPT, P_INDATE, P_PRICE
    FROM PRODUCT
    ASCENDING BY P_PRICE;

Explicação

Questão 8 de 17

1

The basic SQL aggregate function that gives the number of rows containing not null values for the given column is ____.

Selecione uma das seguintes:

  • COUNT

  • MIN

  • MAX

  • SUM

Explicação

Questão 9 de 17

1

What is the command to join the P_DESCRIPT and P_PRICE fields from the PRODUCT table and the V_NAME, V_AREACODE, V_PHONE, and V_CONTACT fields from the VENDOR table where the value of V_CODE match?

Selecione uma das seguintes:

  • SELECT P_DESCRIPT, P_PRICE, V_NAME, V_CONTACT, V_AREACODE, V_PHONE
    FROM PRODUCT, VENDOR
    WHERE PRODUCT.V_CODE <> VENDOR.V_CODE;

  • SELECT P_DESCRIPT, P_PRICE, V_NAME, V_CONTACT, V_AREACODE, V_PHONE
    FROM PRODUCT, VENDOR
    WHERE PRODUCT.V_CODE = VENDOR.V_CODE;

  • SELECT P_DESCRIPT, P_PRICE, V_NAME, V_CONTACT, V_AREACODE, V_PHONE
    FROM PRODUCT, VENDOR
    WHERE PRODUCT.V_CODE <= VENDOR.V_CODE;

  • SELECT P_DESCRIPT, P_PRICE, V_NAME, V_CONTACT, V_AREACODE, V_PHONE
    FROM PRODUCT, VENDOR
    WHERE PRODUCT.V_CODE => VENDOR.V_CODE;

Explicação

Questão 10 de 17

1

What is the command to join the P_DESCRIPT and P_PRICE fields from the PRODUCT table and the V_NAME, V_AREACODE, V_PHONE and V_CONTACT fields from the VENDOR table, where the value of V_CODE match and the output is ordered by the Price?

Selecione uma das seguintes:

  • SELECT P_DESCRIPT, P_PRICE, V_NAME, V_CONTACT, V_AREACODE, V_PHONE
    FROM PRODUCT, VENDOR
    WHERE PRODUCT.V_CODE <> VENDOR.V_CODE;
    ORDER BY P_PRICE;

  • SELECT P_DESCRIPT, P_PRICE, V_NAME, V_CONTACT, V_AREACODE, V_PHONE
    FROM PRODUCT, VENDOR
    WHERE PRODUCT.V_CODE => VENDOR.V_CODE;
    ORDER BY P_PRICE;

  • SELECT P_DESCRIPT, P_PRICE, V_NAME, V_CONTACT, V_AREACODE, V_PHONE
    FROM PRODUCT, VENDOR
    WHERE PRODUCT.V_CODE <= VENDOR.V_CODE;
    ORDER BY P_PRICE;

  • SELECT P_DESCRIPT, P_PRICE, V_NAME, V_CONTACT, V_AREACODE, V_PHONE
    FROM PRODUCT, VENDOR
    WHERE PRODUCT.V_CODE = VENDOR.V_CODE;
    ORDER BY P_PRICE;

Explicação

Questão 11 de 17

1

To delete a row from the PRODUCT table, use the ____ command.

Selecione uma das seguintes:

  • KILL

  • DELETE

  • COMMIT

  • ERASE

Explicação

Questão 12 de 17

1

ANSI-standard SQL allows the use of special operators in conjunction with the WHERE clause. A special operator used to check whether an attribute value is null is ____.

Selecione uma das seguintes:

  • BETWEEN

  • IS NULL

  • LIKE

  • IN

Explicação

Questão 13 de 17

1

The ____ command is used to modify the table by deleting a column.

Selecione uma das seguintes:

  • DROP

  • ALTER

  • DELETE

  • ERASE

Explicação

Questão 14 de 17

1

The ____ function is used to find the highest value in a table column.

Selecione uma das seguintes:

  • MAX

  • TOTAL

  • SUM

  • TOP

Explicação

Questão 15 de 17

1

UPDATE tablename
*****
[WHERE conditionlist];
What command replaces the ***** in the above statement?

Selecione uma das seguintes:

  • SET columnname = expression

  • columnname = expression

  • expression = columnname

  • LET columnname = expression

Explicação

Questão 16 de 17

1

If you wish to perform an inner join based on only one common attribute, you might use the ____ clause.

Selecione uma das seguintes:

  • OF

  • USING

  • HAS

  • JOIN ON

Explicação

Questão 17 de 17

1

In a subquery, which query is executed first?

Selecione uma das seguintes:

  • Leftmost

  • Rightmost

  • Innermost

  • Outermost

Explicação

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