The stream manipulators ________, ________ and ________ specify that integers should be displayed in octal, hexadecimal and decimal formats, respectively.
Fill in the blank(s) with the appropriate word(s).
oct, hex and dec.
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Write a table creation script for a table called OWNER. Include the following:
• Column for the owner id; primary key • Column for the owner username (i.e., the logon name); unique and not null • Column for the owner’s first name; can be null • Column for the owner’s last name; can be null Determine the appropriate data types. ``` CREATE TABLE owner ( owner_id NUMBER NOT NULL CONSTRAINT OWNER_PK PRIMARY KEY, user_name VARCHAR2(30) NOT NULL CONSTRAINT OWNER_UK1 UNIQUE, first_name VARCHAR2(30) NULL, last_name VARCHAR2(30) NULL) ``` a) Add a row to OWNER using the following values: • Owner id = 20 • Owner username = Cartman_E • Owner first name = Eric • Owner last name = Cartman b) Create a sequence called SEQ_OWNER. Write a SELECT statement to find out the highest value currently in the OWNER table. Start the sequence at that value plus one when you create it. c) Add to OWNERS table all the entries in the STUDENT table using an INSERT INTO…SELECT. Use the sequence number to generate the owner id. Construct the owner username using string functions and appending the student id to insure uniqueness (use the format MORRISON_A_122).
A parameter query prompt is enclosed in parentheses
Indicate whether the statement is true or false
Although an initial capital letter is not required, it is conventionally used to designate a class.
Answer the following statement true (T) or false (F)
A ____-dimensional array can be viewed as a book of data tables.
A. one B. two C. three D. four