A.Configure a nonstandard block size for a new database

B.Register a new database with an available Enterprise Manager Management server

C.Change the standard block size of an existing database

D.Configure incremental backups for a new database

E.Enable flashback database for an existing database

A.when issuing a DML statement after a DML statement failed in the same session

B.when issuing a TRUNCATE statement after a SELECT statement was issued in the same session

C.when issuing the first Data Manipulation Language (DML) statement after a COMMIT OR ROLLBACK statement was issued in the same session

D.when issuing a CREATE INDEX statement after a CREATE TABLE statement completed successfully in the same session

E.when issuing a SELECT FOR UPDATE statement after a CREATE TABLE AS SELECT statement was issued in the same session

F.when issuing a CREATE TABLE statement after a SELECT statement was issued in the same session

A.SELECT promo_category, DISTINCT promo_cost FROM promotions ORDER BY 2;

B.SELECT promo_cost, promo_category FROM promotions ORDER BY by 1;

C.SELECT DISTINCT promo_cost || ' in ' || DISTINCT promo_category FROM promotions ORDER BY 1;

D.SELECT DISTINCT promo_category, promo_cost FROM promotions ORDER BY 1;

E.SELECT DISTINCT promo_category || ' has ' || promo_cost AS COSTS FROM promotions ORDER BY 1;

A.The data type returned can be different from the data type of the argument

B.They return a single result row per table

C.They can be nested to any level

D.They can be used only in the WHERE clause of a SELECT statement

E.The argument can be a column name, variable, literal or an expression

F.They can accept only one argument

A.Set OS_AUTHENT_PREFIX to OPS$

B.Have the OS administrator add KING to the OSDBA group

C.Grant DBA to KING

D.Unset REMOTE_LOGIN_PASSWORDFILE

E.Alter user KING to be IDENTIFIED EXTERNALLY