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若用如下的SQL 语句创建一个student表:CREATE TABLE student( NO C( 4)NOT NULL, NAME C( 8)NOT NULL,SEX C( 2), AGE N( 2))可以插入到student表中的是A.(′1031′,′李林′,男,23)B.(′1031′
若用如下的SQL语句创建了一个表S: CREATE TABLE S (S#CHAR (6) NOT NULL,SNAME CHAR(8) NOT NULL,SEX CHAR(2),AGEINTEGER) 向S表插入如下行时,哪一行可以被插入?A.('201001','刘芳',女,'17')B.('
若用如下的SQL语句创建了一个表S: CREATE TABLES(S# CHAR(6)NOT NULL, SNAME CHAR (8) NOT NULL,SEX CHAR(2),AGE INTEGER) 今向S表插入如下行时,哪一行可以被插入? ( )。A.('991001',‘李明芳’,女,'2
若用如下的SQL语句建立一个Worker表: CREATE TABLE worker(NO C(4)NOT NULL,NAME C(8)NOT NULL,SEX C(2),AGE N(2)) 可以插入到worker表中的是______。A.('20031006',NULL,'男',23)B.(NU
若用如下的SQL语句创建一个表S: CREATE TABLE S(S# Char (16) NOT NULL; SNAME char(8) NOT NULL,SEX char(2),AGE integer)向表S中插入如下行时,哪一行可以被插入?A.('991001','李明芳',女,'23')B
若用如下的SQL语句建立一个worker表: CREATE TABLE worker(NOC(4)NOT NULL,NAMEC(8)NOT NULL,SEXC(2),AGEN(2)) 可以插入到worker表中的是_________。A.('20031006',NULL,'男',23)B.(NUL
若用如下的SQL语句创建一个表S: CREATE TABLE S(S# char(10)NOT NULL: SNAME char(10)NOT NULL,SEX char(2),AGE integer) 今向表S中插入如下行时,可以被插入的是A.('441001','陈先明',女,'23')B.(
His sister left home in 1998, and _______since.A. has not been heard of B. has not been heard ofC. had not heard of D. has not heard of
His sister left home in 1998, and since. A. had not been heard of B. has not been heard ofC. had not heard of D. has not heard of
His sister left home in 1998, and_________ since.A.had not been heard ofB.has not been heard ofC.had not heard ofD.has not heard of