【单选题】decodeA.n.捆绑B.n. 管;电子管; v. 使成管状C.v.译码,解码D.博客站

【单选题】decode

A.n.捆绑

B.n. 管;电子管; v. 使成管状

C.v.译码,解码

D.博客站


参考答案和解析
D

相关考题:

结构体在序列化时非导出变量(以小写字母开头的变量名)不会被encode,因此在decode时这些非导出变量的值为其类型的零值() 此题为判断题(对,错)。

Management has asked you to calculate the value 12*salary* commission_pct for all the employees in the EMP table. The EMP table contains these columns:LAST NAME VARCNAR2(35) NOT NULLSALARY NUMBER(9,2) NOT NULLCOMMISION_PCT NUMBER(4,2)Which statement ensures that a value is displayed in the calculated columns for all employees? ()A. SELECT last_name, 12*salary* commission_pct FROM emp;B. SELECT last_name, 12*salary* (commission_pct,0) FROM emp;C. SELECT last_name, 12*salary*(nvl(commission_pct,0)) FROM emp;D. SELECT last_name, 12*salary*(decode(commission_pct,0)) FROM emp;

Oracle decode() 跟序列问题 selectdecode(max(Id),null,(selectids.currvalfromdual),max(Id))idfromusers这样提示此处不允许使用序号要什么办法才能达到想要的效果呢?

Which command allows you to decode packets in JUNOS?() A.debug packet interface-nameB.show interface extensiveC.traceoptions interface-nameD.monitor traffic interface interface-name

在Oracle中,下面哪条语句当COMM字段为空时显示0,不为空时显示COMM的值()。 A.select ename,nvl(comm.,0)from empB.select ename,null(comm.,0)from empC.SELECT ename,NULLIF(comm,0)FROM empD.SELECT ename,DECODE(comm.,NULL,0)FROM emp

All three types of cryptography schemes have unique function mapping to specific.For example, the symmetric key approach (71) is typically used for the encryption of data providing(72), whereas asymmetric key cryptography is maidy used in key(73)and nonrepudiation, thereby providing confidentiality and authentication. The hash(74)(noncryptic), on the other hand, does not provide confidentiality but provides message integrity, and cryptographic hash algorithms provide message(75)and identity of peers during transport over insecure channels.A. Cryptography B.decode C.privacy D.security

The writer holds that the potential to make healthy body tissues will( ) A.aggravate moral issues of human cloning B.bring great benefits to human beings C.help scientists decode body instructions D.involve employing surgical instruments

已知x=’Python是一种非常好的编程语言’.encode(),那么表达式x.decode(’gbk’)的值为’Python是一种非常好的编程语言’。

What does the protocol field inside the PPP frame indicate?()A、the protocol used to determine the authentication methodB、the protocol used to identify the data in the Information fieldC、the protocol used to carry the PPP frameD、the protocol used to decode the FCS fieldE、the protocol used to detect the number of padding bytes

在Oracle中,下面哪条语句当COMM字段为空时显示0,不为空时显示COMM的值()。A、select ename,nvl(comm.,0)from empB、select ename,null(comm.,0)from empC、SELECT ename,NULLIF(comm,0)FROM empD、SELECT ename,DECODE(comm.,NULL,0)FROM emp

You use Microsoft Application Virtualization (App-V). You need to automate the process of sequencing applications . Which command should you run?()A、SFTMIME ADD APP:"ApplicationName " /OSD " PathToOSD " /CONSOLEB、SFTMIME configure package: "PackageName " / OverrideURL FILE: "PathToSFT "C、SFTSequencer / I:"PathToMSI " / P:"PathToPackageRoot " / O:"PathToDestinationSPRJ "D、SFTSequencer / UPGRADE:" P ath ToS ourceSPRJ " / INSTALLPACKAGE:" PathT oUpgradeInstaller " / DECODEPATH:" P ath T o Decode F older " / OUTPUTFILE:" P ath T o D estinationSPRJ "

Instruction Decode Unit

OTUF单板的工程标签解释正确的是()A、FGE**表示用于中继端的OTUF,E表示ENCODE编码,即RX17A1+TX16E的配置B、FGD**表示用于中继端的OTUF,D表示DECODE解码,即RX15A1+TX16E的配置C、FGED**表示用于中继端的OTUF,ED表示ENCODE编码/DECODE解码,即RX18A1+TX16E的配置D、FT表示发送端,默认为编码板,RX17P1+TX16E

Which can be used to decode charS for output?()  A、 Java.io.InputStream.B、 Java.io.EncodedReader.C、 Java.io.InputStreamReader.D、 Java.io.InputStreamWriter.E、 Java.io.BufferedInputStream.

Which command allows you to decode packets in JUNOS?()A、debug packet interface-nameB、show interface extensiveC、traceoptions interface-nameD、monitor traffic interface interface-name

对于雇员表(EMP)中的员工薪水(SAL)进行分级,3000元以上的为A级,2000元以上到3000元为B级,2000元及以下为C级,以下哪此操作能实现以上要求()A、select sal,decode(sal3000,'A',sal2000,'B','C') grade from emp;B、select sal,decode(sal,3000,'A',2000,'B','C') grade from emp;C、select sal,(case when sal3000 then 'A' when sal2000 then 'B' else 'C' end) grade from emp;D、select sal,(if sal3000 then 'A' elsif sal2000 then 'B' else 'C' end if) grade from emp;

Which four statements correctly describe functions that are available in SQL? ()A、INSTR returns the numeric position of a named character.B、NVL2 returns the first non-null expression in the expression list.C、TRUNCATE rounds the column, expression, or value to n decimal places.D、DECODE translates an expression after comparing it to each search value.E、TRIM trims the heading of trailing characters (or both) from a character string.F、NVL compares two expressions and returns null if they are equal, or the first expression of they are not equal.G、NULLIF compares twp expressions and returns null if they are equal, or the first expression if they are not equal.

Which SELECT statement should you use to extract the year from the system date and display it in the format "1998"?()A、SELECT TO_CHAR(SYSDATE,'yyyy') FROM dual;B、SELECT TO_DATE(SYSDATE,'yyyy') FROM dual;C、SELECT DECODE(SUBSTR(SYSDATE, 8), 'YYYY') FROM dual;D、SELECT DECODE(SUBSTR(SYSDATE, 8), 'year') FROM dual;E、SELECT TO_CHAR(SUBSTR(SYSDATE, 8,2),'yyyy') FROM dual;

判断题已知x=’Python是一种非常好的编程语言’.encode(),那么表达式x.decode(’gbk’)的值为’Python是一种非常好的编程语言’。A对B错

单选题What does the protocol field inside the PPP frame indicate?()Athe protocol used to determine the authentication methodBthe protocol used to identify the data in the Information fieldCthe protocol used to carry the PPP frameDthe protocol used to decode the FCS fieldEthe protocol used to detect the number of padding bytes

单选题Which can be used to decode charS for output?()A Java.io.InputStream.B Java.io.EncodedReader.C Java.io.InputStreamReader.D Java.io.InputStreamWriter.E Java.io.BufferedInputStream.

单选题Which command allows you to decode packets in JUNOS?()Adebug packet interface-nameBshow interface extensiveCtraceoptions interface-nameDmonitor traffic interface interface-name

单选题Which SELECT statement should you use to extract the year from the system date and display it in the format "1998"?()ASELECT TO_CHAR(SYSDATE,'yyyy') FROM dual;BSELECT TO_DATE(SYSDATE,'yyyy') FROM dual;CSELECT DECODE(SUBSTR(SYSDATE, 8), 'YYYY') FROM dual;DSELECT DECODE(SUBSTR(SYSDATE, 8), 'year') FROM dual;ESELECT TO_CHAR(SUBSTR(SYSDATE, 8,2),'yyyy') FROM dual;

问答题A spy is trying to send a secret message, we’re trying to decode his message, and we need your help!  If (guzo luzo suzu) means (Apache assistance needed)  And (wuzu guzo vuzo) means (Back up needed now)  And (wuzu zuzu buzu) means (Mission going on now)  Then what does “vuzo”mean?

单选题对于雇员表(EMP)中的员工薪水(SAL)进行分级,3000元以上的为A级,2000元以上到3000元为B级,2000元及以下为C级,以下哪此操作能实现以上要求()Aselect sal,decode(sal3000,'A',sal2000,'B','C') grade from emp;Bselect sal,decode(sal,3000,'A',2000,'B','C') grade from emp;Cselect sal,(case when sal3000 then 'A' when sal2000 then 'B' else 'C' end) grade from emp;Dselect sal,(if sal3000 then 'A' elsif sal2000 then 'B' else 'C' end if) grade from emp;

单选题You use Microsof t Application Virtualization (App - V). You need to automate the process of sequencing applications . Which command should you run?()ASFTMIME ADD APP:ApplicationName /OSD PathToOSD /CONSOLEBSFTMIME configure package: PackageName / OverrideURL FIL E: PathToSFT CSFTSequencer / I:PathToMSI / P:PathToPackageRoot / O:PathToDestinationSPRJ DSFTSequencer / UPGRADE: P ath ToS ourceSPRJ / INSTALLPACKAGE: PathT oUpgradeInstaller / DECODEPATH: P ath T o Decode F older / OUTPUTFILE: P a th T o D estinationSPRJ

单选题在Oracle中,下面哪条语句当COMM字段为空时显示0,不为空时显示COMM的值()。Aselect ename,nvl(comm.,0)from empBselect ename,null(comm.,0)from empCSELECT ename,NULLIF(comm,0)FROM empDSELECT ename,DECODE(comm.,NULL,0)FROM emp

单选题Management has asked you to calculate the value 12*salary* commission_pct for all the employees in the EMP table. The EMP table contains these columns: LAST NAME VARCNAR2(35) NOT NULL SALARY NUMBER(9,2) NOT NULL COMMISION_PCT NUMBER(4,2) Which statement ensures that a value is displayed in the calculated columns for all employees?()ASELECT last_name, 12*salary* commission_pct FROM emp;BSELECT last_name, 12*salary* (commission_pct,0) FROM emp;CSELECT last_name, 12*salary*(nvl(commission_pct,0)) FROM emp;DSELECT last_name, 12*salary*(decode(commission_pct,0)) FROM emp;