On Jan 11, 2005 at 2:30 P.M., an erroneous update operation modified all the values of column LASTNAME in the EMPLOYEE table in the Scott schema to an empty string. You are the system administrator, and you want to return the original values in the table. To do so, you decided to flash back the table. Which two options can you use to flash back a table?()
第1题:
Jan ______ over there.
A、is
B、are
C、am
D、was
第2题:
A.vijan.template:%s/Jan/Jul/g:wjul.template:q!
B.catjan.template seds:Jan:Jul:>jan.template
C.vijan.template:1,$replaceJanJul[Esc]ZZ
D.vijan.template:wjul.template:1,$s/Jan/Jul/g:q!
第3题:
第4题:
第5题:
解释排水泵PJ200×11型号意义?
第6题:
1D200初始抽真空时,需要打开哪些阀门。()
第7题:
在一台MSR路由器上看到了如下调试信息:*Jan2309:17:36:7202009H3CRM/6/RMDEBUG://SourceAddress:192.168.1.1*Jan2309:17:36:7702009H3CRM/6/RMDEBUG://DestinationAddress:224.0.0.5*Jan2309:17:36:8712009H3CRM/6/RMDEBUG://Ver#2,Type:1,Length:48.*Jan2309:17:36:9722009H3CRM/6/RMDEBUG://Router:192.168.1.1,Area:0.0.0.0,Checksum:62961.*Jan2309:17:37:722009H3CRM/6/RMDEBUG://AuType:00,Key(ascii):00000000.*Jan2309:17:37:1732009H3CRM/6/RMDEBUG://NetMask:255.255.255.0,HelloInt:10,Option:_E_.那么根据如上的信息可知()。
第8题:
SELECT book_title FROM books WHERE price between 500 and 900 AND purchase_date < '21-JAN-2001' ORDER BY purchase_date;
SELECT book_title FROM books WHERE price IN (500,900) AND purchase_date < '21-JAN-2001' ORDER BY purchase date ASC;
SELECT book_title FROM books WHERE price < 500 or > 900 AND purchase_date < '21-JAN-2001' ORDER BY purchase date DESC;
SELECT book_title FROM books WHERE (price < 500 OR price > 900) AND purchase_date < '21-JAN-2001' ORDER BY purchase date DESC;
第9题:
20000x 11%+ 200x 200x0.005= 2400(元)
20000x11%+ 200x 200x 0.005 + 30000x11%+ 300x200x0.005= 6000(元)
20000x11%+ 30000x11%=5500(元)
30000x 11%+ 300 x 200 x0.005 = 3600(元)
第10题:
第11题:
SELECT student_id, gpa FROM student_grades WHERE semester_end BETWEEN '01-JAN-2001' AND '31-DEC-2001' OR gpa > 3.;
SELECT student_id, gpa FROM student_grades WHERE semester_end BETWEEN '01-JAN-2001' AND '31-DEC-2001' AND gpa gt 3.0;
SELECT student_id, gpa FROM student_grades WHERE semester_end BETWEEN '01-JAN-2001' AND '31-DEC-2001' AND gpa > 3.0;
SELECT student_id, gpa FROM student_grades WHERE semester_end > '01-JAN-2001' OR semester_end < '31-DEC-2001' AND gpa >=s 3.0;
第12题:
SELECT AVERAGE(gpa) FROM student_grades WHERE semester _ end > '01-JAN-2000' and semester end <31-DEC-2000';
SELECT COUNT(gpa) FROM student grades WHERE semester _ end > '01-JAN-2000' and semester end <31-DEC-2000';
SELECT MIN(gpa) FROM student grades WHERE semester _ end > '01-JAN-2000' and semester end <31-DEC-2000';
SELECT AVG(gpa) FROM student_grades WHERE semester _ end BETWEEN '01-JAN-2000' and '31-DEC-2000';
SELECT SUM(gpa) FROM student grades WHERE semester _ end > '01-JAN-2000' and semester end <31-DEC-2000';
SELECT MEDIAN(gpa) FROM student_grades WHERE semester _ end > '01-JAN-2000' and semester end <31-DEC-2000';
第13题:
the first national aboriginal civil rights gathering was on jan.26,1 938,when the aboriginal people celebrated together with the white people the arrival of the first fleet. ()
第14题:
This certificate is valid until Jan 1 2008 subject,where appropriate,______ periodical inspection in accordance with Article 14(1)(c) of the Convention
A.to
B.for
C.in
D.of
第15题:
第16题:
第17题:
We are in receipt of your letter dated Jan 8, ____ we are pleased to learn that you want to order 100 tons of the subject goods.
第18题:
在一台MSR 路由器上看到了如下调试信息: *Jan 23 09:17:36:720 2009 H3C RM/6/RMDEBUG://Source Address: 192.168.1.1 *Jan 23 09:17:36:770 2009 H3C RM/6/RMDEBUG://Destination Address: 224.0.0.5 *Jan 23 09:17:36:871 2009 H3C RM/6/RMDEBUG://Ver# 2, Type: 1, Length: 48. *Jan 23 09:17:36:972 2009 H3C RM/6/RMDEBUG://Router: 192.168.1.1, Area: 0.0.0.0, Checksum: 62961. *Jan 23 09:17:37:72 2009 H3C RM/6/RMDEBUG://AuType: 00, Key(ascii): 0 0 0 0 0 0 0 0. *Jan 23 09:17:37:173 2009 H3C RM/6/RMDEBUG://Net Mask: 255.255.255.0, Hello Int: 10, Option: _E_. 那么根据如上的信息可知()
第19题:
A System p administrator wishes to create a template file to monitor performance. Having found a template from January, how can the administrator create a July template without destroying the original January version ()
第20题:
200 ÷ 8× 150%× 2+200× 150%× 1=375(元)
200 ÷ 8× 200%× 2+200× 200%× 1=500(元)
200 ÷ 8× 200%× 2+200× 300%× 1=700(元)
200 ÷ 8× 150%× 2+200× 200%× 1=475(元)
第21题:
工作说明书
团队虚拟页
项目章程
使命陈述
第22题:
11 200×2÷60×(12+22)=12 693.33(元)
11 200×2=22 400(元)
11 200×50%+11 200=16 800(元)
11 200÷30×22=8 213.33(元)
第23题:
strength
power
force
stress
第24题:
in which
from which
to which
at which