重级工作制吊车梁疲劳计算采用容许应力幅法时,下列()部位可不计算疲劳。
A.简支实腹吊车梁的下翼缘板
B.简支桁架式吊车梁端压杆
C.简支桁架式吊车梁端拉杆
D.简支桁架式吊车梁下弦杆
第1题
使用SQL语句向学生表S(SNO,SN,AGE,SEX)中添加一条新记录,学号(SNO)、姓名(SN)、性别(SEX)、年龄(AGE)字段的值分别为0401、王芳、女、18,正确命令是
A.APPEND INTO S(SNO,SN,SEX,AGE)VALUES(‘0401’,‘王芳’,‘女’,18)
B.APPEND S VALUES(‘0401’‘王芳’,18,‘女’)
C.INSERT INTO S(SNO,SN,SEX,AGE)VALUES(‘0401’,‘王芳’,‘女’,18)
D.INSERT S VALUES(‘0401’,‘王芳’,18,‘女’)
第2题
使用SQL语句向学生表S(SNO,SN,AGE,SEX)中添加一条新记录,字段学号(SNO)、姓名(SN)、性别(SEX)、年龄(AGE)的值分别为0401、王芳、女、18,正确的命令是______
A) APPEND INTO S (SNO,SN,SXE,AGE)valueS ('0401','王芳','女',18)
B) APPEND S valueS ('0401','王芳','女',18)
C) INSERT INTO S (SNO,SN,SEX,AGE)valueS ('0401','王芳','女',18)
D) INSERT S valueS ('0401','王芳',18,'女')
第3题
A.APPEND INTO S (SNO,SN,SEX,AGE)VALUES('0401','王芳','女',18)
B.APPEND S VALUES('0401','王芳',18,'女')
C.INSERT INTO S(SNO,SN,SEX,AGE)VALUES('0401','王芳','女',18)
D.INSERT S VALUES('0401','王芳',18,'女')
第4题
A.APPEND INTO S(SNO,SN,SEX,AGE)values(‘0401’,‘王芳’,‘女’,18)
B.APPEND S values (‘0401’,‘王芳’,‘女’,18)
C.INSERT INTO S(SNO,SN,SEX,AGE)values (‘0401’,‘王芳’,‘女’,18)
D.INSERT S values(‘0401’,‘王芳’,18,‘女’)
第5题
A.APPEND INTO S(SNO,SN,SXE,AGE) valueS("0401","王芳","女",18)
B.APPEND S valueS("0401","王芳","女",18)
C.INSERT INTO S(SNO,SN,SEX,AGE)valueS("0401","王芳","女",18)
D.INSERT S valueS("0401","王芳",18,"女")
第6题
A.APPEND INTO S (SNO,SN,SEX,AGE) VALUES (’0401’,’王芳’,’女’,18)
B.APPEND S VALUES (’0401’,’王芳’ ,18,’女’)
C.INSERT INTO S (SNO,SN,SEX,AGE) VALUES (’0401’,’王芳’,’女’,18)
D.INSERT S VALUES (’0401’,’王芳’,18,’女’)
第7题
如果创建学生表Student时使用下面的SQL语句:
CREATE TABLE Student (SNO C(4) PRIMARY KEY NOT NULL,;
SN C(8),SEX C(2),AGE N(2)CHECK(AGE>15 AND AGE<30))
以下SQL语句中可以正确执行的是( )。
A.INSERT INTO Student(SNO,SEX,AGE)VALUES("S9","男",17)
B.INSERT INTO Student(SN,SEX,AGE)VALUES("李安琦","男",20)
C.INSERT INTO Student(SEX,AGE)VALUES("男",20)
D.INSERT INTO Student(SNO,SN)VALUES("S9","安琦",16)
第8题
如果创建学生表Student时使用下面的SQL语句:
CREATE TABLE Student (SNO C(4) PRIMARY KEY NOT NULL,;
SN C(8),SEX C(2),AGE N(2)CHECK(AGE>15 AND AGE<30))
以下SQL语句中可以正确执行的是( )。
A.INSERT INTO Student(SNO,SEX,AGE)VALUES("S9","男",17)
B.INSERT INTO Student(SN,SEX,AGE)VALUES("李安琦","男",20)
C.INSERT INTO Student(SEX,AGE)VALUES("男",20)
D.INSERT INTO Student(SNO,SN)VALUES("S9","安琦",16)
第9题
如果学生表STUDENT是使用下面的SQL语句创建的CREATE TABLE STUDENT (SNO C (4) PRIMARY KEY NOT NULL , ;SN C (8) , ;SEX C (2) , ;AGE N (2) CHECK (AGE>15 AND AGE<30 ))下面的SQL语句中可以正确执行的是A)INSERT INTO STUDENT(SNO,SEX,AGE)VALUES("S9","男",17)B)INSERT INTO STUDENT(SN,SEX,AGE)VALUES("李安琦","男",20)C)INSERT INTO STUDENT(SEX,AGE)VALUES("男",20)D)INSERT INTO STUDENT(SNO,SN) VALUES("S9","安琦",16)
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