网友您好， 请在下方输入框内输入要搜索的题目：
题目内容
（请给出正确答案）
Consider this syntax： MERGE INTO t1 USING t2 ON （join predicate）….. What does the MERGE syntax do？（）
- A、It performs a merge join of the row from T2 only if it doesn’t exist in the T1 table.
- B、It creates a natural join of tables T1 and T2 for all columns that have the same name.
- C、It creates a Cartesian product of table T1 and table T2 for all columns that have the same name.
- D、For each row from T2, it updates the row if it exists within table T1, otherwise it inserts the row into T1.
参考答案
更多 “ Consider this syntax： MERGE INTO t1 USING t2 ON （join predicate）….. What does the MERGE syntax do？（）A、It performs a merge join of the row from T2 only if it doesn’t exist in the T1 table. B、It creates a natural join of tables T1 and T2 for all columns that have the same name. C、It creates a Cartesian product of table T1 and table T2 for all columns that have the same name. D、For each row from T2, it updates the row if it exists within table T1, otherwise it inserts the row into T1.” 相关考题
考题
3．Why not_________your position?A． considering changingB． considering to changeC． consider changeD． consider changing
考题
( ) studies the ways words are combined to form. sentences in a language ./fontA、PhoneticsB、PhonologyC、MorphologyD、Syntax
考题
A locutionary act is the act of conveying literal meaning by means of syntax, lexicon, and phonology.()
考题
Consider the following statement on a RANGE partitioned table: ALTER TABLE orders DROP PARTITION p1, p3;What is the outcome of executing the above statement?()
A.A syntax error will result as you cannot specify more than one partition in the same statementB.All data in p1 and p3 partitions are removed and the table definition is changedC.All data in p1 and p3 partitions are removed, but the table definition remains unchangedD.Only the first partition (p1) will be dropped as only one can be dropped at any time
考题
The man page for command shows the following syntax: The man page for command shows the following syntax: command [ －a | －b ] Which of the following statements is true regarding this entry?()
A. Either the -a or flag -b may be used, but not both.B. If the flag -a is used then the flag -b also must be used.C. One of the -a or -b flags must be used, but not both at the same time.D. Both the flags may be used together, but neither are mandatory.
考题
From the prospective of traditional approach of syntax, noun has the categories of number,gender and__________.A．aspect
B．case
C．tense
D．voice
考题
Which one of the following studies the internal structure of words， and the rules by which words are ( ) formed？ A.Morphology
B.Syntax
C.Phonology
D.Semantics
考题
Theme and Rheme are terms in ( )of syntax. A.the Traditional Approach
B.the Structural Approach
C.the Functional Approach
D.the Generative Approach
考题
The man page for command shows the following syntax: The man page for command shows the following syntax: command [ -a | -b ] Which of the following statements is true regarding this entry?（）A、Either the -a or flag -b may be used, but not both.B、If the flag -a is used then the flag -b also must be used.C、One of the -a or -b flags must be used, but not both at the same time.D、Both the flags may be used together, but neither are mandatory.
考题
单选题Which of the following is most suitable for the cultivation of linguistic competence? _____A
Sentence makingB
Cue card dialogueC
Simulated dialogueD
Learning syntax
考题
单选题Which of the following is not a valid calendaring syntax element?（）A
FREQB
BYHOURC
RUNDATED
INTERVALE
BYMINUTE
考题
单选题Consider this syntax： MERGE INTO t1 USING t2 ON （join predicate）….. What does the MERGE syntax do？（）A
It performs a merge join of the row from T2 only if it doesn’t exist in the T1 table. B
It creates a natural join of tables T1 and T2 for all columns that have the same name. C
It creates a Cartesian product of table T1 and table T2 for all columns that have the same name. D
For each row from T2, it updates the row if it exists within table T1, otherwise it inserts the row into T1.
考题
单选题Syntax relations can be analysed into three kinds, namely, positional relations, relations of substitutability and relations of _____.A
coherenceB
unityC
co-occurrenceD
reference
考题
单选题Which of the following is not a valid calendaring syntax element？（）A
FREQB
BYHOURC
RUNDATED
INTERVALE
BYMINUTE
考题
单选题Consider the following statement on a RANGE partitioned table: ALTER TABLE orders DROP PARTITION p1, p3; What is the outcome of executing the above statement?（）A
A syntax error will result as you cannot specify more than one partition in the same statementB
All data in p1 and p3 partitions are removed and the table definition is changedC
All data in p1 and p3 partitions are removed, but the table definition remains unchangedD
Only the first partition (p1) will be dropped as only one can be dropped at any time
考题
多选题You work as a Web Developer at Certkiller.com. You are in the process of creating a Webapplication using Microsoft ASP.NET 3.5. In order toimplement partial rendering on a page you add the following markup： You only want the content in the updatePanel2 control to be updated when the Button controlnamed _btnUpd is clicked. You need to configure the page to accomplish this goal of thecompany. What should you do？（）AYou should consider replacing AsyncPostBackTrigger with PostBackTrigger.BYou should consider setting the UpdateMode property of updatePanel2 to Conditional.CYou should consider setting the ChildrenAsTriggers property of updatePanel1 to false.DYou should consider setting the ChildrenAsTriggers property of updatePanel2 to false.EYou should consider setting the UpdateMode property of updatePanel1 to Conditional.FYou should consider setting the UpdateMode property of updatePanel2 to Always.
考题
单选题From the perspective of traditional approach of syntax, noun has the categories of number, gender and________.A
aspectB
caseC
tenseD
voice
考题
判断题Syntax is different from morphology in that the former not only studies the morphemes, but also the combination of morphemes into words and words into sentences.A
对B
错
热门标签
最新试卷
