Which two of the following are optional and do not have to be specified when creating a table?

Which of the following can NOT be used to restrict specific values from being inserted into a
column in a particular table?

Given the following CREATE TABLE statement:
CREATE TABLE table2 LIKE table1
Which two of the following will NOT occur when the statement is executed?

If the following SQL statements are executed:
CREATE TABLE tab1 (id SMALLINT NOT NULL PRIMARY KEY,
name VARCHAR(25));
CREATE TABLE tab2 (empid SMALLINT,
weekno SMALLINT,
payamt DECIMAL(6,2),
CONSTRAINT const1 FOREIGN KEY (empid)
REFERENCES taba(id) ON UPDATE NO ACTION);
Which of the following statements is true?

Which of the following is used to indicate a column will not accept NULL values and can be
referenced in another table’s foreign key specification?

If table TAB1 is created using the following statement:
CREATE TABLE tab1 (col1 INTEGER NOT NULL,
col2 CHAR(5),
CONSTRAINT cst1 CHECK (col1 in (1, 2, 3)))
Which of the following statements will successfully insert a record into table TAB1?

If the following SQL statements are executed:
CREATE TABLE make (makeid SMALLINT NOT NULL PRIMARY KEY,
make VARCHAR(25));
CREATE TABLE model (modelid SMALLINT,
model VARCHAR(25),
makeid SMALLINT,
CONSTRAINT const1 FOREIGN KEY (makeid)
REFERENCES make(makeid) ON DELETE RESTRICT);
And each table created is populated as follows:
MAKE
MAKEID MAKE
—— ——–
1 Ford
2 Chevrolet
3 Toyota
MODEL
MODELID MODEL MAKEID
——- ——- ——–
1 Mustang 1
2 Escort 1
3 Malibu 2
4 Camry 3
If the following SQL statement is executed:
DELETE FROM make WHERE makeid = 1
What is the total number of rows that will be deleted?

Which of the following is NOT a characteristic of a unique index?

If the following statement is executed:
CREATE TABLE employee
(empid INT NOT NULL GENERATED BY DEFAULT
AS IDENTITY (START WITH 1, INCREMENT BY 5),
name VARCHAR(20),
dept INT CHECK (dept BETWEEN 1 AND 20),
hiredate DATE WITH DEFAULT CURRENT DATE,
salary DECIMAL(7,2),
PRIMARY KEY(empid),
CONSTRAINT cst1 CHECK (YEAR(hiredate) > 2006 OR
Salary > 60500));
Which of the following INSERT statements will fail?

Which type of key is defined on the child table to implement a referential constraint?