Exercise: Create a statement that will add the following row to the invoices table: 115, 1, '9632534', '2018-08-05', 85.25, 2, '2018-08-25 IMPORTANT: Use the type of statement that will only add the data to the following columns, skipping all others: invoice_id, vendor_id, invoice_number, invoice_date, invoice_total, terms_id, invoice_due_date

Exercise: Create a statement that will add the following row to the invoices table: 115, 1, '9632534', '2018-08-05', 85.25, 2, '2018-08-25 IMPORTANT: Use the type of statement that will only add the data to the following columns, skipping all others: invoice_id, vendor_id, invoice_number, invoice_date, invoice_total, terms_id, invoice_due_date

Oracle 12c: SQL

3rd Edition

ISBN:9781305251038

Author:Joan Casteel

Publisher:Joan Casteel

Chapter13: Views

Section: Chapter Questions

Problem 10MC

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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.
Which of the following is a correct statement? You can restore the data deleted with the DROP COLUMN clause, but not the data deleted with the SET UNUSED clause. You can’t create empty tables—all tables must contain at least three rows of data. A table can contain a maximum of 1000 columns. The maximum length of a table name is 265 characters.
Write, but do not execute, the commands to grant the following privileges: a. User Ashton must be able to retrieve data from the ITEM table. b. Users Kelly and Morgan must be able to add new orders and order lines. c. User James must be able to change the price for all items. d. User Danielson must be able to delete customers. e. All users must be able to retrieve each customers number, name, street, city, state,and postal code. f. f User Pere7 must be able to create an index on the ORDFRS table. g. User Washington must be able to change the structure of the ITEM table. h. User Grinstead must have all privileges on the ORDERS table.
Which of the following is used to join data contained in two or more tables? a. primary key b. unique identifier c. common field d. foreign key
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.
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.
How do you create an index? How do you create a unique index? What is the difference between an index and a unique index?
Which of the following is true? a. If you truncate a table, you cant add new data to the table. b. If you change the default value of an existing column, all existing rows containing a NULL value in the same column are set to the new DEFAULT value. c. If you delete a column from a table, you cant add a column to the table with the same name as the previously deleted column. d. If you add a column to an existing table, its always added as the last column of the table.
You’re creating a new table consisting of three columns: Col1, Col2, and Col3. Col1 should be the primary key and can’t have any NULL values, and each entry should be unique. Col3 must not contain any NULL values either. How many total constraints do you have to create? 1 2 3 4
How many NOT NULL constraints can be created at the table level by using the CREATE TABLE command? 0 1 12 30 255
Which of the following commands removes all data from a table but leaves the tables structure intact? a. ALTER TABLE secustomerorders DROP UNUSED COLUMNS; b. TRUNCATE TABLE secustomerorders; c. DELETE TABLE secustomerorders; d. DROP TABLE secustomerorders;
Perform the following tasks: a. Create an index named ITEM_INDEX1 on the ITEM_NUM column in the ORDER_LINEtable. b. Create an index named ITEM_INDEX2 on the CATEGORY column in the ITEMtable. c. Create an index named ITEM_INDEX3 on the CATEGORY and STOREHOUSE columnsin the ITEM table. d. Create an index named ITEM_INDEX4 on the CATEGORY and STOREHOUSEcolumns in the ITEM table. List categories in descending order.

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