A.CREATETABLE
B.ALTERTABLE
C.DROP
D.CREATE INDEX
[单选题]向已有表中添加新字段或约束的SQL,语句是______。A.CREATE TABLEB. ALTER TABLEC. DROPD. CREATE INDEX
[单选题]向已有表中添加新字段或约束的SQL语句是 ______。A.CREA TATEBLEB.ALTER TABLEC.DROPD.CREATE INDEX
[单选题]向已有表中添加新字段或约束的SQL语句是______。A.CREATETABLEB.ALTERTABLEC.DROPD.CREATEINDEX
[单选题]向已有表中添加新字段或约束的SQL语句是______。A.CREATE TABLEB.ALTER TABLEC.DROPD.CREATE INDEX
[单选题]向已有表中添加新字段或约束的SQL语句是______。A.CREATETABLEB.ALTERTABLEC.DROPD.CRIEAEEINDEX
[单选题]以下数据定义语句中能在已有表中添加新字段的是()。A.CREATETABLEB.ALTERTABLEC.DROPD.CREATEINDEX
[单选题]向表中插入数据的SQL语句是______。A.INSERTB.INSERT BEFOREC.INSERT BLANKD.INSERT INTO
[单选题]向表中插入数据的SQL语句是A.INSERTB.INSERT INTOC.INSERT BLANKD.INSERT BEFORE
[单选题]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
[单选题]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