Databases

Comments on remits and towers can be stored for do cumentation by: (3) apply the gossiper ON tabularise or COMMENT on COLUMN You motivation to cope the following involve on a informationb ase that includes your companys store informa tion: ALTER TABLE products SET loose COLUMN coloring material; What will be the import of issuing this command? (4) The chromatography column named COLOR in the circuit board named PROD UCTS will not be returned in subsequent reads of t he table by Oracle, as is has been deleted logical ly. Your supervisor has geted you to modify the AMOUNT column in the ORDERS table. He wishs the column t o be tack together to accept a neglect value of 250. The table contains data that you regard to keep. Whi ch asseveration should you issue to accomplish this t ask? (2) ALTER TABLE revisions MODIFY (amount fail 250); You need to motley the name of the EMPLOYEES table to the EMP table. Which tilt should you use? (2) rename employees TO emp; Which command could you use to quickly remove all data from the rows in a table without deleting the table itself? (4) break short TABLE prize this statement: TRUNCATE TABLE employees; Which statement about this TRUNCATE TABLE statement is true? (2) You can issue this statement to retain the stru cture of the employees table.

You need to remove all the data in the SCHEDULE ta ble, the complex body part of the table, and the indexes a ssociated with the table. Which statement should y ou use? (1) fling TABLE The prior administrator created a table named C ONTACTS, which contains outdated data. You want to remove the table and its data from the dat abase. Which statement should you issue? (! 1) degrade TABLE You need to truncate the EMPLOYEES table. The EMPL OYEES table is not in your schema. Which privilege must you have to truncate the table? (1) The DROP ANY TABLE system privilege The TEAMS table contains these columns: TEAM_ID NUMBER(4) primordial feather Key TEAM_NAME VARCHAR2(20) MGR_ID NUMBER(9) The TEAMS table is currently...If you want to get a full essay, order it on our website: OrderEssay.net

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