Which of the last names will be matched by the WHERE clause in the following query? SELECT empID from personnel WHERE lastName LIKE 'Jo_s' Select one: O a. O b. 'Jons' will be matched but Johns' and 'Johnson' will not be matched 'Jons' and 'Johns' will be matched but Johnson' will not be matched O c. 'Jons', 'Johns' and 'Johnson' will all be matched O d. None of these three last names will be matched

Which of the last names will be matched by the WHERE clause in the following query? SELECT empID from personnel WHERE lastName LIKE 'Jo_s' Select one: O a. O b. 'Jons' will be matched but Johns' and 'Johnson' will not be matched 'Jons' and 'Johns' will be matched but Johnson' will not be matched O c. 'Jons', 'Johns' and 'Johnson' will all be matched O d. None of these three last names will be matched

Oracle 12c: SQL

3rd Edition

ISBN:9781305251038

Author:Joan Casteel

Publisher:Joan Casteel

Chapter2: Basic Sql Select Statements

Section: Chapter Questions

Problem 10MC: When must a comma be used in the SELECT clause of a query? a. when a field name is followed by a...

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Similar questions

When must a comma be used in the SELECT clause of a query? a. when a field name is followed by a column alias b. to separate the SELECT clause and the FROM clause when only one field is selected c. Its never used in the SELECT clause. d. when listing more than one field name and the fields arent concatenated e. when an arithmetic expression is included in the SELECT clause
Update the VID_STATUS attribute of the VIDEO table using a subquery to set the VID_STATUS to OUT for all videos that have a null value in the DETAIL_ RETURNDATE attribute of the DETAILRENTAL table.
Change the constraint created in Assignment #6 so that associated rows of the BOOK_STORES table are deleted automatically if a row in the STORE_REPS table is deleted.
A new table has been requested to support tracking automated emails sent to customers. Create the table and add data as described below. Tablename: email_log Columns: emailid (numeric), emaildate (datetime), customer# (numeric) Primary key: emailid column, define as an Identity Column Add the following data rows and display resulting rows (if any errors occur, explain why the error is expected) Emaildate = current date, customer# = 1007 Emailid = specify to use the column default value, emaildate = current date, customer# = 1008 Emailid = 25, emaildate = current date, customer# = 1009
Add two columns to the EMPLOYEES table. One column, named EmpDate, contains the date of employment for each employee, and its default value should be the system date. The second column, named EndDate, contains employees date of termination.
Add a constraint to make sure the Rep_ID value entered in the BOOK_STORES table is a valid value contained in the STORE_REPS table. The Rep_ID columns of both tables were initially created as different datatypes. Does this cause an error when adding the constraint? Make table modifications as needed so that you can add the required constraint.
Create a view called HOMEWORK13 that includes the columns named Col1 and Col2 from the FIRSTATTEMPT table. Make sure the view is created even if the FIRSTATTEMPT table doesn’t exist.
Assuming that you completed Problem 10, write the query that will list the names and ages of your customers.
In the initial creation of a table, if a UNIQUE constraint is included for a composite column that requires the combination of entries in the specified columns to be unique, which of the following statements is correct? a. The constraint can be created only with the ALTER TABLE command. b. The constraint can be created only with the table-level approach. c. The constraint can be created only with the column-level approach. d. The constraint can be created only with the ALTER TABLE MODIFY command.

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