1. Which of the following is not a valid clause of CREATE TABLE statements? a. CREATE TABLE b. PRIMARY KEY c. FOREIGN KEY d. CONSTRAINT e. All of the above f. None of the above 2. Which of the following is not a valid constraint? a. PRIMARY KEY b. FOREIGN KEY c. CHECK d. UNIQUE 3. Which of the following is a valid characteristic of a VIEW? a. Views may be used as the basis for viewing hidden columns. b. Views provide a level of security in the database because they can restrict users to seeing a table. c. Views cannot be dynamically updated. d. You can use the name of a view anywhere a table name is expected in a SQL statement. 4. Which of the following is not a table constraint? a. NOT NULL b. UNIQUE c. DEFAULT d. ON UPDATE e. ON DELETE f. ON INSERT
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1. Which of the following is not a valid clause of CREATE TABLE statements?
a. CREATE TABLE
b. PRIMARY KEY
c. FOREIGN KEY
d. CONSTRAINT
e. All of the above
f. None of the above
2. Which of the following is not a valid constraint?
a. PRIMARY KEY
b. FOREIGN KEY
c. CHECK
d. UNIQUE
3. Which of the following is a valid characteristic of a VIEW?
a. Views may be used as the basis for viewing hidden columns.
b. Views provide a level of security in the
c. Views cannot be dynamically updated.
d. You can use the name of a view anywhere a table name is expected in a SQL statement.
4. Which of the following is not a table constraint?
a. NOT NULL
b. UNIQUE
c. DEFAULT
d. ON UPDATE
e. ON DELETE
f. ON INSERT
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