当eof( )为.t.时,recno( )永远为reccount( )+1 执行?IIF(5>8,2,3)后的结果为2.
Examine the following ALTER command: SQL> ALTER DISKGROUP dgroup1 UNDROP DISKS; What is the purpose of the command?()
从0.35um->0.25um->0.18um->0.15um->0.13um的technology改变又代表的是什么意义?
Examine the following command: SQL> ALTER TABLE booking SHRINK SPACE COMPACT; Which activity is performed when the preceding command is executed?()
Examine the following RMAN command: RMAN> CONFIGURE ENCRYPTION FOR DATABASE ON; RMAN> BACKUP DATABASE PLUS ARCHIVELOG; Which prerequisite must be met before accomplishing the backup?()
Examine the following commands executed in your database: SQL> ALTER SESSION RECYCLEBIN=ON; Session altered SQL> CREATE TABLE emp TABLESPACE tbsfd AS SELECT * FROM hr.employees; Table created. Further, you executed the following command to drop the table: SQL> DROP TABLE emp; Table dropped. What happens in this scenario? ()
b=10a=20ifa>b:print(‘abigger’)else:print(‘bbigger’)以上代码输出内容是()
V1R/S>1,V5R/S<1,常见于下列哪项()
You executed the following command: RMAN> RECOVER COPY OF DATAFILE '/u01/app/oracle/oradata/orcl/users01.dbf'; Which statement regarding the above command is correct?()
In the exhibit, what does the (>) symbol indicate?()