单选题You want to create a temporary table while executing a procedure in a form. Which statement is true?（）AYou cannot create a table form within Forms. BYou must use the FORMS_DDL built-in to create the table. CYou must use the DBMS_DYNAMIC_DDL package to create the table. DYou can write the CREATE TABLE statement directly into the trigger.
单选题
You want to create a temporary table while executing a procedure in a form. Which statement is true?（）
A
You cannot create a table form within Forms.
B
You must use the FORMS_DDL built-in to create the table.
C
You must use the DBMS_DYNAMIC_DDL package to create the table.
D
You can write the CREATE TABLE statement directly into the trigger.
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单选题You need to base a data block on the EMP table, but you do not want to give the users of the application access privileges on the table. Which type of data source would you use to create the data block?（）Atable Btransactional trigger Cstored procedure DFROM clause query
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单选题In which scenario will you create a hash cluster？（）A when you want the data to be returned automatically in chronological orderB if the application uses queries joining tables only occasionallyC if the queries against the clustered table use the equality operator （=） to retrieve the desired rowD if the full table scan is executed often on only one of the clustered tables
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多选题You issued the following command： CREATE GLOBAL TEMPORARY TABLE admin_work_area （startdate DATE， enddate DATE， class CHAR（20）） ON COMMIT DELETE ROWS TABLESPACE tbs_t1； An index is then created on the ADMIN_WORK_AREA temporary table. Which two statements are true regarding the TBS_T1 tablespace in the above command？（）AIt stores only the temporary table but not its indexes.BIt stores both the temporary table as well as its indexes.CIt must be a nondefault temporary tablespace for the database.DIt can be a default or nondefault temporary tablespace for the database.EIt must be the default temporary tablespace of the user who issues the command.