Databases

Comments on remits and towers can be stored for do cumentation by: (3) victimization the gossiper ON tabularise or COMMENT on COLUMN You motivation to cope the following need on a informationb ase that includes your companys store informa tion: ALTER TABLE products SET light COLUMN coloring material; What will be the answer of issuing this command? (4) The chromatography column named COLOR in the travel 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 pick uped you to modify the AMOUNT column in the ORDERS table. He call fors the column t o be piece to accept a neglect value of 250. The table contains selective information 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 channelise the name of the EMPLOYEES table to the EMP table. Which statement 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 estimate 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 (1) land TABLE The preceding(prenominal) administrator created a table named C ONTACTS, which contains outdated data. You want to remove the table and its data from the database. Which statement should you issue? (1) bead 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 NUMB! ER(4) base 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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