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Table below shows the structure of a table named Car. Use it to answer the questions that follow:FieldData TypeCarIDIntegerModelVarChar(20)YearofManufactureDateStatusInteger      Write an SQL statement that would perform each of the following:                    i.            Create the table Car with the relevant fields;                                           (3 Marks)                  ii.            Make CarID the primary Key;                                                                  (2 Marks)                iii.            Add fields name Make and Price that store 30 characters and numbers respectively.                                                                                                                      (3 Marks

Question

Table below shows the structure of a table named Car. Use it to answer the questions that follow:FieldData TypeCarIDIntegerModelVarChar(20)YearofManufactureDateStatusInteger      Write an SQL statement that would perform each of the following:                    i.            Create the table Car with the relevant fields;                                           (3 Marks)                  ii.            Make CarID the primary Key;                                                                  (2 Marks)                iii.            Add fields name Make and Price that store 30 characters and numbers respectively.                                                                                                                      (3 Marks

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Solution

i. To create the table Car with the relevant fields, you would use the following SQL statement:

CREATE TABLE Car (
    CarID INT,
    Model VARCHAR(20),
    YearofManufacture DATE,
    Status INT
);

ii. To make CarID the primary key, you would modify the create table statement like this:

CREATE TABLE Car (
    CarID INT PRIMARY KEY,
    Model VARCHAR(20),
    YearofManufacture DATE,
    Status INT
);

iii. To add fields named Make and Price that store 30 characters and numbers respectively, you would use the ALTER TABLE statement like this:

ALTER TABLE Car
ADD Make VARCHAR(30),
ADD Price INT;

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