Oracle 12c: SQL
3rd Edition
ISBN: 9781305251038
Author: Joan Casteel
Publisher: Cengage Learning
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Oracle 12c: SQL
Ch. 5 - Which command should you use to copy data from one...Ch. 5 - Which command can you use to change the existing...Ch. 5 - Which of the following is a correct statement? a....Ch. 5 - Which of the following is a valid SQL...Ch. 5 - Which of the following statements deletes all rows...Ch. 5 - What is the maximum number of records that can be...Ch. 5 - Add a new row in the ORDERS table with the...Ch. 5 - Prob. 2HOACh. 5 - Save the changes permanently to the database.
Ch. 5 - Add a new row in the ORDERS table with the...
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- Which command should you use to copy data from one table and have it added to an existing table?arrow_forwardWhich command is used to create a table based on data already contained in an existing table?arrow_forwardWhich of the following characters can be used in a table name? a. b. ( c. % d. !arrow_forward
- Which of the following statements is correct? A table can contain a maximum of only one column marked as unused. You can delete a table by removing all columns in the table. Using the SET UNUSED clause allows you to free up storage space used by a column. None of the above statements are correct.arrow_forwardWhich of the following is not a correct statement? A table can be modified only if it doesn’t contain any rows of data. The maximum number of characters in a table name is 30. You can add more than one column at a time to a table. You can’t recover data contained in a table that has been truncated.arrow_forwardHow do you add data from an existing table to another table?arrow_forward
- 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.arrow_forwardWhich of the following is a valid table name? a. 9NEWTABLE b. DATE9 c. NEWTABLE d. None of the above are valid table names.arrow_forwardHow many NOT NULL constraints can be created at the table level by using the CREATE TABLE command? 0 1 12 30 255arrow_forward
- Which of the following is true? All data in a table can be recovered if the table is dropped with the PURGE option. All data in a table can be recovered from the recycle bin if the table is dropped. All data in a table is lost if the table is dropped. All of the above statements are true.arrow_forwardExplain the difference between truncating a table and deleting a table.arrow_forwardWhich of the following symbols is used in a SELECT clause to display all columns from a table? / & * "arrow_forward
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