在ORACLE中，语句 select “test”

null from tableName, 结果是（）

[单选题]有如下SQL SELECT 语句SELECT * FROM stock WHERE 单价 BETWEEN 12.76 AND 15.20与该语句等价的是A) SELECT * FROM stock WHERE 单价<=15.20.AND.单价>=12.76B) SELECT * FROM stock WHERE 单价<15.20.AND.单价>12.76C) SELECT * FROM stock WHERE 单价>=15.20.AND.单价<=12.76D)

[单选题]有如下SQL SELECT语句 SELECT *FROM stock WHERE 单价 BETWEEN 12.76 AND 15.20 与该语句等价的是A．SELECT *FROM stock WHERE 单价＜=15.20 .AND. 单价＞=12.76B．SELECT *FROM stock WHERE 单价＜15.20 .AND. 单价＞12.76C．SELECT *FROM stock WHERE 单价＞=15.20 .AND. 单价＜=12.76D．SELECT *FROM stock

[单选题]有如下SQL-SELECT语句SELECT * FROM HH WHERE 单价 BETWEEN 10.6 AND 13.4与该语句等价的是A．SELECT * FROM HH WHERE 单价<=13.4 AND 单价>=10.6B．SELECT * FROM HH WHERE 单价<13.4 AND 单价>10.6C．SELECT * FROM HH WHERE 单价>=13.4 AND 单价<=10.6D．SELECT * FROM HH WHERE 单

[单选题]（ 21 ）在 SQL SELECT 语句中与 INTO TABLE 等价的短语是A． ） INTO DBFB． ） TO TABLEC． ） INTO FORM.D． ） INTO FILE

[单选题]在SQL SELECT语句中与INTO TABLE等价的短语是( )。A．INTO DBFB．TO TABLEC．INTO FORMD．INTO FILE

[单选题]在SQL SELECT语句中与INTO TABLE等价的短语是（　　）。A.INTODBFB.TOTABLEC.INTOFORMD.INTOFILE

[单选题]在SQL SELECT语句中与INTO TABLE等价的短语是（　　）。A.INTODBFB.TOTABLEC.INTOFORMD.INTOFILE

[单选题]在SQL SELECT语句中，与INTO TABLE等价的短语是( )。A．INTO DBFB．TO TABLEC．INTO FORMD．INTO PILE

[单选题]有如下SQL-SELECT语句 SELECT*FROM HH WHERE 单价 BETWEEN 10.6 AND 13.4 与该语句等价的是A．SELECT*FROM HH WHERE 单价 ＜＝13.4 AND 单价 ＞＝10.6B．SELECT*FROM HH WHERE 单价 ＜13.4 AND 单价 ＞10.6C．SELECT*FROM HH WHERE 单价 ＞＝13.4 AND 单价 ＜＝10.6D．SELECT*FROM HH WHERE 单价 ＞13.4 AND 单价 ＜10.6

[单选题]SQL中引入的连接表(joined table)概念允许用户在SELECT语句的哪个子句中指定连接操作?A．FROMB．WHEREC．GROUP BYD．ORDER BY