Computers and Technology, 14.04.2020 20:09 Evaro6274

Which of the following is a correct statement? a. You can restore the data deleted with the DROP COLUMN clause, but not the data deleted with the SET UNUSED clause. Deleting Tables DROP TABLE ... PURGE Removes an entire table permanently from the database with the PURGE option. DROP TABLE cust_mkt_092009 PURGE; PURGE TABLE Permanently deletes a table in the recycle bin. PURGE TABLE "BIN$IDMdosJceWxgg041==$0"; Recovering Tables FLASHBACK TABLE ... TO BEFORE DROP Recovers a dropped table if the PURGE option isn’t used when the table is dropped. FLASHBACK TABLE cust_mkt_092009 TO BEFORE DROP; Syntax Guide (continued ) Commands and Clauses Description Example 90 Chapter 3 b. You can’t create empty tables—all tables must contain at least three rows of data. c. A table can contain a maximum of 1000 columns. d. The maximum length of a table name is 265 characters.

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Which of the following is a correct statement? a. You can restore the data deleted with the DROP COL...

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