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名词解释题
character
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考题
Automatic data conversion will occur if which of the following happens?()
A. The client and server have different NLS_LANGUAGE settings.B. The client and server character sets are not the same, and the database character set is not a strict superset of the client character set.C. The client and server are in different time zones.D. The client requests automatic data conversion.E. The AUTO_CONVERT initialization parameter is set to TRUE.
考题
public class Alpha{ private static Character（） ids； public static void main（ String[] args）{ ids = new Character[args.length]； for （int i=0； iids[i] = new Character（ args[i] ）； System.out.print（ ids[i] ）； } } } What is correct？（） A、 Compilation fails.B、 The code runs with no output.C、 An exception is thrown at runtime.D、 The code runs， outputing a concatenated list of the arguments passed to the program.
考题
In a database with the database character set of US7ASCII and a national character set of UTF-8， which datatypes would be capable of storing Unicode data by default？（）A、 VARCHAR2B、 CHARC、 NVARCHAR2D、 CLOBE、 LONG
考题
Automatic data conversion will occur if which of the following happens？（）A、 The client and server have different NLS_LANGUAGE settingsB、 The client and server character sets are not the same，and the database character set is not a strict superset of the client character setC、 The client and server are in different time zonesD、 The client requests automatic data conversionE、 The AUTO_CONVERT initialization parameter is set to TRUE
考题
In a design situation, there are multiple character sets that can properly encode your data. Which three should influence your choice of character set?（）A、Syntax when writing queries involving JOINSB、Memory usage when working with the dataC、Character set mapping index hash sizeD、Disk usage when storing data
考题
Which two tasks can you perform using only the TO_CHAR function? （）A、convert 10 to 'TEN'B、convert '10' to 10C、convert 10 to '10'D、convert 'TEN' to 10E、convert a date to a character expressionF、convert a character expression to a date
考题
单选题Which of the following is NOT mentioned in the passage as a way to build character in children?A
Story readings and discussions.B
Osmosis.C
Taking every opportunity to teach character.D
Roleplay.
考题
单选题What does the Character Set Scanner command line utility do？（）A
Reports only on any Unicode character conversions required.B
Performs character set conversions to the new specified character set.C
Scans on any character set conversion required， then converts the data.D
Checks for any character definitions that will fail conversion to the new character set.
考题
单选题Which of the following is NOT mentioned in the passage as a way to build character in children?A
Story readings and discussions.B
Osmosis.C
Taking every opportunity to teach character.D
Role play.
考题
单选题Automatic data conversion will occur if which of the following happens？（）A
The client and server have different NLS_LANGUAGE settingsB
The client and server character sets are not the same，and the database character set is not a strict superset of the client character setC
The client and server are in different time zonesD
The client requests automatic data conversionE
The AUTO_CONVERT initialization parameter is set to TRUE
考题
多选题Given two different character sets （A and B）， which of the following must be true for A to be considered a strict superset of B？（）AA must contain all of the characters defined in BBA must be UnicodeCThe encoded values in A must match the encoded values in B for all characters defined in BDA must be a multibyte character setEThe encoded values in A must match the encoded values in B for all numeric and alphabetic character
考题
多选题Which two tasks can your perform by using the TO_CHAR function? （）AConvert 10 to 'TEN'BConvert '10' to 10CConvert '10' to '10'DConvert 'TEN' to 10EConvert a date to a character expressionFConvert a character expression to a date
考题
单选题In a database with the database character set of US7ASCII and a national character set of UTF-8， which datatypes would be capable of storing Unicode data by default？（）A
VARCHAR2B
CHARC
NVARCHAR2D
CLOBE
LONG
考题
单选题Which component of the Oracle networking architecture provides character set and data type conversion between different character sets on the client and server？ （）A
SQL*PlusB
Oracle NetC
Two-Task Common （TTC）D
Oracle Protocol Support （OPS）
考题
单选题For which action can you use the TO_DATE function? （）A
Convert any date literal to a dateB
Convert any numeric literal to a dateC
Convert any character literal to a dateD
Convert any date to a character literalE
Format '10-JAN-99' to 'January 10 1999'
考题
单选题public class Alpha{ private static Character（） ids； public static void main（ String[] args）{ ids = new Character[args.length]； for （int i=0； iids[i] = new Character（ args[i] ）； System.out.print（ ids[i] ）； } } } What is correct？（）A
Compilation fails.B
The code runs with no output.C
An exception is thrown at runtime.D
The code runs， outputing a concatenated list of the arguments passed to the program.
考题
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