The owner's equity in a business comes from two sources: ______. (1) Investment by the owner (2) Notes receivable (3) Earnings from profitable operation of business (4) Accounts receivableA．(2) and (4)B．(1) and (3)C．(1) and (2)D．(3) and (4)
The owner's equity in a business comes from two sources: ______. (1) Investment by the owner (2) Notes receivable (3) Earnings from profitable operation of business (4) Accounts receivable
A．(2) and (4)
B．(1) and (3)
C．(1) and (2)
D．(3) and (4)
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Debts owed by a business are referred to as( ) A. accounts receivablesB. equitiesC. owner’s equityD. liabilities
22 Which of the following items may appear in a company’s statement of changes in equity, according to IAS 1 Presentation of financial statements?1 Unrealised revaluation gains.2 Dividends paid.3 Proceeds of equity share issue.4 Profit for the period.A 2, 3 and 4 onlyB 1, 3 and 4 onlyC All four itemsD 1, 2 and 4 only
15 A trader who fixes her prices by adding 50% to cost actually achieved a mark-up of 45%.Which of the following factors could account for the shortfall?1 Sales were lower than expected.2 The opening inventories had been overstated.3 The closing inventories of the business were higher than the opening inventories.4 Goods taken from inventories by the proprietor were recorded by debiting drawings and crediting purchases withthe cost of the goods.A All four factorsB 1, 2 and 4 onlyC 2 onlyD 3 and 4 only
16 Which of the following statements about accounting concepts and conventions are correct?(1) The entity concept requires that a business is treated as being separate from its owners.(2) The use of historical cost accounting tends to understate assets and profit when prices are rising.(3) The prudence concept means that the lowest possible values should be applied to income and assets and thehighest possible values to expenses and liabilities.(4) The money measurement concept means that only assets capable of being reliably measured in monetary termscan be included in the balance sheet of a business.A 1 and 2B 2 and 3C 3 and 4D 1 and 4
These are four main methods of securing payment in international trade: (1) payment under documentary credit (2) open account (3) collection, that is document against payment or acceptance of a bill of exchange (4) payment in advance From an exporter's point of view, the order of preference is ______.A．(4), (2), (3), (1)B．(4), (1), (3), (2)C．(4), (3), (1), (2)D．(2), (4), (1), (3)
An instruction is made up of operations that (1) the function to be performed and operands that represent the data to be operated on. For example, if an instruction is to perform. the operation of (2) two numbers，it must know (3) the two numbers are. The processor's job is to.(4) instructions and operands from memory and to perform. each operation. Having done that, it signals memory to send it (5) instruction.A．skipB．smileC．smokeD．specify
关系R和S如下表所示，关系代数表达式Π1，4(R∞(下标)R.C＜S.B S)的结果为(201)，与该表达式等价的SQL语句为(202)。R关系 S关系A B C A B E1 2 3 2 1 42 1 4 4 6 73 4 5 3 4 114 6 7 8 3 12A．{(1，2)、(2，1)、(3，4)、(4，6)}B．{(1，1)、(2，6)、(3，2)、(4，3)}C．{(1，6)、(1，4)、(2，6)、(3，6)}D．1(2，1)、(4，6)、(3，4)、(8，3)}
在问题1定义的视图D_S上，下面哪个查询或更新是允许执行的，为什么?(1)Update D_S set D-3 where D=4；(2)Delete from D_Swhere C＞4；(3)Select D，Averages from D_Swhere C＞(Select C from D_S where D=:dept)；(4)Select D,C From D_Swhere Totals＞10000；(5)Select*from D_S；
将该查询转换为等价的 SQL 语句如下： SELECT DISTINCT A1，A4 FROM R,S WHERE R.A2＇2017＇（ ）。A.OR S.A4＇95＇ OR R.A2=S.A2 OR R.A3=S.A3B.AND S.A4＇95＇ OR R.A2=S.A2 AND R.A3=S.A3C.AND S.A4＇95＇ AND R.A2=S.A2 AND R.A3=S.A3D.OR S.A4＇95＇ AND R.A2=S.A2 OR R.A3=S.A3
WhichitemisthecorrectmatchingrelationshipsassociatedwithIKEPhase?() A.IKEPhase1-P4S1andP4S4，IKEPhase2-P4S2，P4S3andP4S5B.IKEPhase1-P4S2andP4S4，IKEPhase2-P4S1，P4S3andP4S5C.IKEPhase1-P4S2andP4S3，IKEPhase2-P4S1，P4S4andP4S5D.IKEPhase1-P4S1andP4S2，IKEPhase2-P4S3，P4S4andP4S5
A.π1，2，7（σ2=‘信息’，∧3=5∧4=6∧7’北京’（R×S））B.π1，2，7（σ3==5∧4=6（σ2=‘信息’（R）×σ5=‘北京’（S）））C.π1，2，7（σ3==5∧4=6∧2=‘’（R×σ7=’’（S）））D.π1，2，7（σ3==5∧4=6∧7=‘北京’（σ2=‘信息’（R）×（S）））
给定关系模式R(A，B，C，D）、S(C，D，E），与π1,3,5(σ2=‘软件工程’(RS))等价的SQL语句如下：SELECT（ ）FROM S WHERE（ ）；下列查询B=“信息”且E=“北京”的A、B、E的关系代数表达式中，查询效率最高的是（请作答此空）。A. π1，2，7(σ2=‘信息’，∧3=5∧4=6∧7’北京’(R×S))B. π1，2，7(σ3=5∧4=6(σ2=‘信息’(R)×σ5=‘北京’(S)))C. π1，2，7(σ3=5∧4=6∧2=‘’(R×σ7=’’(S)))D. π1，2，7(σ3=5∧4=6∧7=‘北京’(σ2=‘信息’(R)×(S)))
给定关系模式R(A，B，C，D）、S(C，D，E），与π1,3,5(σ2=‘软件工程’(R?S))等价的SQL语句如下：SELECT（ ）FROM S WHERE（ ）；下列查询B=“信息”且E=“北京”的A、B、E的关系代数表达式中，查询效率最高的是（请作答此空）。 A. π1，2，7(σ2=‘信息’，∧3=5∧4=6∧7’北京’(R×S))B. π1，2，7(σ3=5∧4=6(σ2=‘信息’(R)×σ5=‘北京’(S)))C. π1，2，7(σ3=5∧4=6∧2=‘’(R×σ7=’’(S)))D. π1，2，7(σ3=5∧4=6∧7=‘北京’(σ2=‘信息’(R)×(S)))
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ote the following structures in your database server： 1：Extents 2：OS Blocks 3：Tablespace 4：Segments 5：Oracle Data Block Which option has the correct arrangement of these structures from the smallest to the largest（）A、2， 5， 1， 4， 3B、1， 2， 3， 4， 5C、5， 2， 1， 3， 4D、2， 1， 5， 4， 3
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Given the following steps, which would be the correct order to create a backup of an Oracle database in NOARCHIVELOG mode?（） 1.shutdown immediate from RMAN 2.Log into RMAN 3.startup mount from RMAN 4.backup database 5.alter database open 6.backup database plus archivelog delete inputA、2，3，1，4，5B、2，1，3，6，5C、1，3，5，4D、2，1，3，5，6E、2，1，3，4，5
Which SQL statement accepts user input for the columns to be displayed, the table name, and the WHERE condition?（）A、SELECT 1, "2" FROM 3 WHERE last_name = '4';B、SELECT 1, '2' FROM 3 WHERE 'last_name = '4'';C、SELECT 1, 2 FROM 3 WHERE last_name = '4';D、SELECT 1, '2' FROM EMP WHERE last_name = '4';
You have a server that runs Windows Server 2008 Enterprise Edition. The server has the FailoverClustering feature installed. The server has three nodes named NODE1， NODE2， and NODE3. The Microsoft Distributed Transaction Coordinator （MSDTC） resource is installed on the cluster. The cluster hasa dedicated cluster group named Group1 that includes the MSDTC resource. You discover that Group1 isunable to failover to NODE3 from NODE1 or NODE2. The failover from NODE1 to NODE2 functionswithout errors. You need to configure Group1 to support the failover between all cluster nodes. What should you do？（）A、Remove the MSDTC resource from Group1B、Select NODE3 as a preferred owner for Group1C、Remove NODE3 as a possible owner from all cluster resources in Group1D、Onfigure NODE3 as a possible owner for all cluster resources in Group1
单选题Note the following statements that use flashback technology: 1. FLASHBACK TABLE TO SCN ; 2. SELECT * FROM AS OF SCN 123456; 3. FLASHBACK TABLE TO BEFORE DROP; 4. FLASHBACK DATABASE TO TIMESTAMP ; 5. SELECT * FROM VERSIONS AS OF SCN 123456 AND 123999; Which of these statements will be dependent on the availability of relevant undo data in the undo segment?（）A1, 2, and 5B1, 3, and 4C2, 3, 4, and 5D1, 2, 3, 4, and 5
单选题Given table T1 has column I1 containing the following data: I1 1 2 3 4 If the following sequence of SQL statements is applied within a single unit of work: UPDATE t1 SET i1 = 3 WHERE i1 = 2; S AVEPOINT s1 ON ROLLBACK RETAIN CURSORS; UPDATE t1 SET i1 = 5 WHERE i1 = 3; SAVEPOINT s2 ON ROLLBACK RETAIN CURSORS;INSERT INTO t1 (i1) VALUES (6); ROLLBACK TO SAVEPOINT s1; UPDATE t1 SET i1 = 2 WHERE i1 = 4; COMMIT; What is the expected sequence of values returned from?（） SELECT i1 FROM t1 ORDER BY i1A1, 2, 3, 3B1, 2, 2, 4C1, 2, 3, 3, 6D1, 2, 2, 5, 6
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多选题A certain highway has Exits l, 2, 3, and 4 in that order. Which of the following statements individually provide (s) sufficient additional information to determine the distance from Exit 2 to Exit 3? (Select all such statements.)AThe distance from Exit l to Exit 3 is 7 miles, and the distance from Exit 3 to Exit 4 is 4 miles.BThe total distance from Exit 1 to Exit 4 is 23 miles, the distance from Exit 1 to Exit 2 is 3 miles, and the distance from Exit 3 to Exit 4 is 9 miles.CThe total distance from Exit l to Exit 4 is 23 miles, and the distance from Exit 2 to Exit 4 is 20 miles.
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