下列SQL Server语句中出现语法错误的是()。A、DECLARE @Myvar INTB、SELECT * FROM [AAA]C、CREATE DATABASE AAAD、DELETE * FROM AAA

下列SQL Server语句中出现语法错误的是()。

  • A、DECLARE @Myvar  INT     
  • B、SELECT * FROM [AAA]  
  • C、CREATE DATABASE AAA      
  • D、DELETE * FROM AAA

相关考题:

在SQL Server 2000中,有学生表(学号,姓名,年龄,所在系),学号是主码。在这个表上建有视图V1,V1视图的定义语句为: CREATE VIEW V1 AS SELECT姓名,年龄,所在系FROM学生表 WHERE年龄>=(SELECT AVG(年龄)FROM学生表) 有下列操作语句: Ⅰ.UPDATE V1 SET年龄=年龄+1 Ⅱ.SELECT*FROM V1 WHERE年龄>20 Ⅲ.DELETE FROM V1 WHERE年龄>20 Ⅳ.INSERT INTO V1 VALUES(,张三,20,‘计算机系’) 以上语句能正确执行的是A.仅Ⅰ和ⅡB.仅ⅡC.仅Ⅱ和ⅣD.仅Ⅰ、Ⅱ和Ⅲ

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有下列SQL SELECT语句:SELECT*FROM 工资表 WHERE 基本工资=1000下列与该语 有下列SQL SELECT语句: SELECT*FROM 工资表 WHERE 基本工资<=3000 AND 基本工资>=1000 下列与该语句等价的是( )。A.SELECT*FROM 工资表 WHERE 基本工资 BETWEEN 1000 AND 3000B.SELECT*FROM 工资表 WHERE 基本工资 BETWEEN 3000 AND 1000C.SELECT*FROM 工资表 WHERE 基本工资 FROM 1000 INTO 3000D.SELECT*FROM 工资表 WHERE 基本工资 FROM 3000 INTO 1000

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有SQL语句:SELECT * FROM教师WHERE NOT(工资3000 OR 工资2000)与如上语句等价的SQL语句是A.SELECT*FROM 教师 HWERE 工资 BETWEEN 2000 AND 3000B.SELECT*FROM 教师 HWERE 工资 2000 AND 工资3000C.SELECT*FROM 教师 HWERE 工资2000 OR 工资3000D.SELECT*FROM 教师 HWERE 工资=2000 AND 工资=3000

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根据下面所给的AAA数据库,写出下列每条查询语句的执行结果,或者写出下列每条语句或程序段的功能。 假设存在名为AAA的数据库,包括Students(学号char(8),姓名varchar(8),年龄int,专业varchar(20),入学日期DateTime)和Score(学号char(8),课程名varchar(10),成绩numeric(5,2))两张表。 declare @a numeric(5,2),@b numeric(5,2) set @a=(select max(成绩) from score) set @b=(select min(成绩) from score) print @a-@b

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You are creating a stored procedure that will delete data from the Contact table in a SQL Server 2005 database. The stored procedure includes the following Transact-SQL statement to handle any errors that occur. BEGIN TRY   BEGIN TRANSACTION   DELETE FROM Person.Contact WHERE ContactID = @ContactID COMMIT TRANSACTION END TRY   BEGIN CATCH   DECLARE @ErrorMessage nvarchar(2000) DECLARE @ErrorSeverity int DECLARE @ErrorState int SELECT @ErrorMessage = ERROR MESSAGE(),@ErrorSeverity=ERROR SEVERITY(),@ErrorState = ERROR STATE() RAISERROR (@ErrorMessage, @ErrorSeverity, @ErrorState) END CATCH;      You test the stored procedure and discover that it leaves open transactions. You need to modify the stored procedure so that it properly handles the open transactions. What should you do?()A、Add a COMMIT TRANSACTION command to the CATCH block.B、Remove the COMMIT TRANSACTION command from the TRY block.C、Add a ROLLBACK TRANSACTION command to the CATCH block.D、Add a ROLLBACK TRANSACTION command to the TRY block.

单选题You are creating a stored procedure that will delete data from the Contact table in a SQL Server 2005 database. The stored procedure includes the following Transact-SQL statement to handle any errors that occur. BEGIN TRY   BEGIN TRANSACTION   DELETE FROM Person.Contact WHERE ContactID = @ContactID COMMIT TRANSACTION END TRY   BEGIN CATCH   DECLARE @ErrorMessage nvarchar(2000) DECLARE @ErrorSeverity int DECLARE @ErrorState int SELECT @ErrorMessage = ERROR MESSAGE(),@ErrorSeverity=ERROR SEVERITY(),@ErrorState = ERROR STATE() RAISERROR (@ErrorMessage, @ErrorSeverity, @ErrorState) END CATCH;      You test the stored procedure and discover that it leaves open transactions. You need to modify the stored procedure so that it properly handles the open transactions. What should you do?()AAdd a COMMIT TRANSACTION command to the CATCH block.BRemove the COMMIT TRANSACTION command from the TRY block.CAdd a ROLLBACK TRANSACTION command to the CATCH block.DAdd a ROLLBACK TRANSACTION command to the TRY block.

单选题设有一自由表xx.dbf,下列SELECT-SQL命令中语法错误的是()ASELECT * FROM xxBSELECT * FROM xx INTO CURSOR tempCSELECT * FROM xx INTO TABLE tempDSELECT * FROM xx INTO temp

单选题下列T-SQL语句中出现语法错误的是()。Adeclare @abc intBselect * from gradeCcreate database stiDdelete* from grade

单选题下列SQL Server语句中出现语法错误的是()。ADECLARE @Myvar INTBSELECT * FROM [AAA]CCREATE DATABASE AAADDELETE * FROM AAA