| "id","choice_text","is_correct","question_id" | |
| 5,Relation,false,2 | |
| 6,Function,false,2 | |
| 7,Set,true,2 | |
| 8,Tuple,false,2 | |
| 9,"{1, 2, 3}",false,3 | |
| 10,"{1, 3, 5, 7, 9}",true,3 | |
| 11,"{1, 2, 5, 9}",false,3 | |
| 12,"{1, 5, 7, 9, 11}",false,3 | |
| 13,"{(1, a), (1, b), (2, a), (b, b)}",false,4 | |
| 14,"{(1, 1), (2, 2), (a, a), (b, b)}",false,4 | |
| 15,"{(1, a), (2, a), (1, b), (2, b)}",true,4 | |
| 16,"{(a, 1), (a, 2), (b, 1), (b, 2)}",false,4 | |
| 17,True,false,5 | |
| 18,False,true,5 | |
| 19,"10",false,6 | |
| 20,"5",true,6 | |
| 21,"3",false,6 | |
| 22,"20",false,6 | |
| 23,"A = {1, 2} and B = {1}",false,7 | |
| 24,"A = {1, 2} and B = {1, 2, 3}",false,7 | |
| 25,"A = {1, 2, 3} and B = {2, 1, 3}",true,7 | |
| 26,"A = {1, 2, 4} and B = {1, 2, 3}",false,7 | |
| 27,"A = {p, q} and B = {x, y}",true,8 | |
| 28,"A = {p, q, x} and B = { y}",false,8 | |
| 29,"A = {p} and B = {q, x, y}",false,8 | |
| 30,"A ={x, y} and B = {p, q}",false,8 | |
| 31,"{2,3}",true,9 | |
| 32,"{6,7}",false,9 | |
| 33,"{2,3,4,5}",false,9 | |
| 34,"{4,5,6,7}",false,9 | |
| 35,"{2,3}",true,10 | |
| 36,"{6,7}",false,10 | |
| 37,"{2,3,4,5}",false,10 | |
| 38,"{4,5,6,7}",false,10 | |
| 39,"{2, 4, 5, 9, 10, 11, 8}",false,11 | |
| 40,"{2, 3, 4, 5, 6, 7, 8, 9}",true,11 | |
| 41,"{1, 4, 9, 7,8,11,10}",false,11 | |
| 42,"{4, 5,7,8,9,10,11}",false,11 | |
| 43,"{2, 3, 4}",false,12 | |
| 44,"{6, 7}",true,12 | |
| 45,"{2, 3, 8, 9}",false,12 | |
| 46,"{4, 5}",false,12 | |
| 47,"{6,7}",false,13 | |
| 48,"{2,3}",false,13 | |
| 49,"{4,5}",true,13 | |
| 50,"{8,9}",false,13 | |
| 51,"{(2, 2), (7, 7), (5, 5), (3, 3), (4, 4),(4,7)}",false,14 | |
| 52,"{(2, 5), (2, 7), (3, 5), (3, 7), (3,4), (4,3)}",false,14 | |
| 53,"{(2, 5), (2, 7), (3, 5), (3, 7), (4,5), (4,7)}",true,14 | |
| 55,True,false,15 | |
| 56,False,true,15 | |
| 57,True,true,16 | |
| 58,False,false,16 | |
| 59,True,false,17 | |
| 60,False,true,17 | |
| 61,"{1,2,3,5}",false,18 | |
| 62,"{1,2}",false,18 | |
| 63,"{3,5}",true,18 | |
| 64,"{1,2,3}",false,18 | |
| 65,"{1, 2, 3}",false,19 | |
| 66,"{(1,1), (1,2), (2,1), (2,2)}",true,19 | |
| 67,"{1, 2}",false,19 | |
| 68,"{1, 2, 3}",false,20 | |
| 69,"{(1,1), (1,2), (1,3)}",false,20 | |
| 70,"{(1,3), (2,3)}",true,20 | |
| 71,"{(1,1), (2,2)}",false,21 | |
| 72,"{(1,1), (1,2), (1,3)}",false,21 | |
| 73,"{(1,3), (2,3)}",true,21 | |
| 74,"1",true,22 | |
| 75,"2",false,22 | |
| 76,"3",false,22 | |
| 77,"4",false,22 | |
| 78,"A = {1, 2, 3}, B = {2, 3, 4}",false,23 | |
| 79,"A = {1, 2, 3}, B = {1, 2, 3, 4}",false,23 | |
| 80,"A = {1, 2, 3}, B = {2, 3, 1}",true,23 | |
| 81,"A = {1, 2, 3, 4, 5, 6}, B = {2, 3, 4, 5, 1}",false,23 | |
| 82,A ∩ B,true,24 | |
| 83,A U B,false,24 | |
| 84,A,false,24 | |
| 85,B,false,24 | |
| 86,A,false,25 | |
| 87,(A U B) -B,true,25 | |
| 88,A ∩ B,false,25 | |
| 89,B- (A ∩ B),false,25 | |
| 90,A U B,false,26 | |
| 91,(A U B) – (A ∩ B),true,26 | |
| 92,A – B,false,26 | |
| 93,A ∩ B,false,26 | |
| 94,A U C – B,false,27 | |
| 95,B – A – C,true,27 | |
| 96,(A ∩ C) ∩ B,false,27 | |
| 97,(AUC) – (B ∩ A) – (B ∩C),false,27 | |
| 98,"5",false,28 | |
| 99,"6",true,28 | |
| 100,"12",false,28 | |
| 101,"24",false,28 | |
| 102,"11",false,29 | |
| 103,"12",false,29 | |
| 104,"13",true,29 | |
| 105,"14",false,29 | |
| 106,"{(1,c) ,(2,c),(3,a),(3,b),(3,c)}",true,30 | |
| 107,"{(1,a), (1,b) , (2,a) , (2,b)}",false,30 | |
| 108,"{(1,a),(1,b),(1,c),(2,a),(2,b),(2,c)}",false,30 | |
| 109,True,false,31 | |
| 110,False,true,31 | |
| 111,True,false,32 | |
| 112,False,true,32 | |
| 113,True,true,33 | |
| 114,False,false,33 | |
| 115,True,true,34 | |
| 116,False,false,34 | |
| 117,True,true,35 | |
| 118,False,false,35 | |
| 119,Range,false,36 | |
| 120,Domain,false,36 | |
| 121,Relation,true,36 | |
| 122,Tuple,false,36 | |
| 123,Table,false,37 | |
| 124,Tuple,false,37 | |
| 125,Attribute,false,37 | |
| 126,Domain,true,37 | |
| 127,Row,false,38 | |
| 128,Column,true,38 | |
| 129,Value,false,38 | |
| 130,Tuple,false,38 | |
| 131,Attribute,false,39 | |
| 132,Tuple,true,39 | |
| 133,Field,false,39 | |
| 134,Instance,false,39 | |
| 135,Relations,false,40 | |
| 136,Attributes,true,40 | |
| 137,Tuples,false,40 | |
| 138,Instances,false,40 | |
| 140,Important; Important,false,41 | |
| 143,Domain,false,42 | |
| 144,Subkey,false,42 | |
| 145,Superkey,true,42 | |
| 146,Foreign key,false,42 | |
| 147,Candidate key,false,43 | |
| 148,Foreign key,true,43 | |
| 149,Superkey,false,43 | |
| 150,Primary key,false,43 | |
| 139,Important; Not important,false,41 | |
| 141,Not important; Important,true,41 | |
| 142,Not important; Not important,false,41 | |
| 151,A superkey is an attribute or a set of attributes that can uniquely identify a tuple in a relation,true,44 | |
| 54,"{(2, 5), (3, 7), (5, 5), (4, 7), (2,7), (3,5)}",false,14 | |
| 152,A superkey is a tuple or a set of multiple tuples that can uniquely identify an attribute in a relation,false,44 | |
| 153,Every superkey is a candidate key,false,44 | |
| 154,A superkey is an attribute or a set of attributes that distinguish the relation from other relations,false,44 | |
| 155,Referenced,false,45 | |
| 156,Referencing,true,45 | |
| 157,"{a,b,c} must not be a superkey",false,46 | |
| 158,"{a,b,c} must not be a candidate key",true,46 | |
| 159,"{a,b,c} must be a primary key",false,46 | |
| 160,"{a,b,c} must be a superkey",true,47 | |
| 161,"{a,b,c} must not be a superkey",false,47 | |
| 162,"{a,b,c} must be a candidate key",false,48 | |
| 163,"{a,b,c} must be a superkey",true,48 | |
| 164,{a} must be a superkey,false,48 | |
| 165,"{a,b} must not be a superkey",false,49 | |
| 166,"{a,c} must be a candidate key",false,49 | |
| 167,{a} must be a candidate key,true,49 | |
| 168,A superkey is always a candidate key,false,50 | |
| 169,A candidate key is always a superkey,true,50 | |
| 170,A superkey is always a primary key,false,50 | |
| 171,A candidate key is always a primary key,false,50 | |
| 172,Char(n),false,51 | |
| 173,String(n),true,51 | |
| 174,Varchar(n),false,51 | |
| 175,Bit(n),false,51 | |
| 176,create table(…),true,52 | |
| 177,create relation(…),false,52 | |
| 178,New table(…),false,52 | |
| 179,New relation(…),false,52 | |
| 180,Drop table R,true,53 | |
| 181,Drop relation R,false,53 | |
| 182,Delete table R,false,53 | |
| 183,Delete from R,false,53 | |
| 184,Alter table R delete A,false,54 | |
| 185,Alter table R drop column A,true,54 | |
| 186,Alter table drop A from R,false,54 | |
| 187,Delete A from R,false,54 | |
| 188,DML,false,55 | |
| 189,DDL,true,55 | |
| 190,DCL,false,55 | |
| 191,TCL,false,55 | |
| 192,"Fixed, Fixed",false,56 | |
| 193,"Variable, Variable",false,56 | |
| 194,"Fixed, Variable",true,56 | |
| 195,"Variable, Fixed",false,56 | |
| 196,Select,true,57 | |
| 197,Update,false,57 | |
| 198,Delete,false,57 | |
| 199,Create,false,57 | |
| 203,Create,false,58 | |
| 204,Alter Table,false,59 | |
| 205,Add row,false,59 | |
| 206,Insert,true,59 | |
| 207,Append,false,59 | |
| 208,"enter into D (a, b, c);",false,60 | |
| 209,"insert into D values (a, b, c);",true,60 | |
| 210,"insert into D (a, b, c);",false,60 | |
| 211,"insert (a, b, c) values into D;",false,60 | |
| 212,delete table R,false,61 | |
| 213,drop table R,false,61 | |
| 214,delete from R,true,61 | |
| 215,drop from R,false,61 | |
| 216,Select,false,62 | |
| 217,Join,true,62 | |
| 218,Union,false,62 | |
| 219,Show all rows and columns of table “person”,true,63 | |
| 220,Show the number of rows of table “person”,false,63 | |
| 221,Show the number of columns of table “person”,false,63 | |
| 222,Show all rows and columns of table “person”,false,64 | |
| 223,Show the number of rows of table “person”,true,64 | |
| 224,Show the number of columns of table “person”,false,64 | |
| 225,"CREATE TABLE Enrol(StudentID INT; CourseNo VARCHAR(20); Semester VARCHAR(50)),",false,65 | |
| 226,"CREATE TABLE Enrol(StudentID INT, CourseNo VARCHAR(20), Semester VARCHAR(50)),",false,65 | |
| 227,"CREATE TABLE Enrol(StudentID INT, CourseNo VARCHAR(20), Semester VARCHAR(50));",true,65 | |
| 228,At least one of the attributes in the primary key is not null,false,66 | |
| 229,None of the attributes in the primary key can be null,true,66 | |
| 230,All the attributes in the primary key can be null,false,66 | |
| 233,StudentID cannot be null in Student,false,67 | |
| 234,StudentID cannot be null in Enrol,false,67 | |
| 235,"6",true,68 | |
| 236,"4",false,68 | |
| 237,"2",false,68 | |
| 238,"0",false,68 | |
| 239,"3",false,69 | |
| 240,"2",false,69 | |
| 241,"1",true,69 | |
| 242,"0",false,69 | |
| 243,"3",false,70 | |
| 244,"2",true,70 | |
| 245,"1",false,70 | |
| 246,"0",false,70 | |
| 247,"4",false,71 | |
| 248,"3",true,71 | |
| 249,"2",false,71 | |
| 250,"1",false,71 | |
| 251,"4",true,72 | |
| 252,"3",false,72 | |
| 253,"2",false,72 | |
| 254,"1",false,72 | |
| 255,"4, 6",false,73 | |
| 256,"3, 4",false,73 | |
| 257,"6, 4",true,73 | |
| 258,"4, 3",false,73 | |
| 259,"6",false,74 | |
| 260,"4",true,74 | |
| 261,"2",false,74 | |
| 262,"1",false,74 | |
| 263,"4",false,75 | |
| 264,"3",false,75 | |
| 265,"2",true,75 | |
| 266,"1",false,75 | |
| 267,"6",false,76 | |
| 268,"5",false,76 | |
| 269,"4",true,76 | |
| 270,"3",false,76 | |
| 271,"4",false,77 | |
| 272,"3",false,77 | |
| 273,"2",false,77 | |
| 274,"1",true,77 | |
| 275,"28",true,78 | |
| 276,"12",false,78 | |
| 277,"7",false,78 | |
| 278,"4",false,78 | |
| 279,"28",false,79 | |
| 280,"12",false,79 | |
| 281,"7",true,79 | |
| 282,"4",false,79 | |
| 283,"28",false,80 | |
| 284,"12",false,80 | |
| 285,"7",true,80 | |
| 286,"4",false,80 | |
| 287,"13",false,81 | |
| 288,"8",true,81 | |
| 289,"4",false,81 | |
| 290,"1",false,81 | |
| 291,"12",false,82 | |
| 292,"9",false,82 | |
| 293,"7",false,82 | |
| 231,Every StudentID appearing in Enrol must exist in Student,true,67 | |
| 294,"3",true,82 | |
| 295,"11",false,83 | |
| 296,"8",false,83 | |
| 297,"7",true,83 | |
| 298,"4",false,83 | |
| 299,"11",false,84 | |
| 300,"7",false,84 | |
| 301,"4",false,84 | |
| 302,"3",true,84 | |
| 303,"7",false,85 | |
| 304,"3",false,85 | |
| 305,"2",true,85 | |
| 306,"1",false,85 | |
| 307,"1,2",true,86 | |
| 308,"3,3",false,86 | |
| 309,"3,2",false,86 | |
| 310,"1,3",false,86 | |
| 311,"SELECT CourseNo, COUNT(*) AS NoOfStudents FROM Enrol WHERE Year = 2019 GROUP BY CourseNo;",true,87 | |
| 313,"SELECT CourseNo, COUNT(*) AS NoOfStudents FROM Student WHERE Year = 2019 GROUP BY CourseNo;",false,87 | |
| 314,"SELECT CourseNo, COUNT(*) AS NoOfStudents FROM Student WHERE Year = 2019 GROUP BY StudentID;",false,87 | |
| 312,"SELECT CourseNo, COUNT(*) AS NoOfStudents FROM Enrol WHERE Year = 2019 GROUP BY StudentID;",false,87 | |
| 201,Alter Table,false,58 | |
| 200,Drop Table,false,58 | |
| 202,Update,true,58 | |
| 232,Every StudentID appearing in Student must exist in Enrol,false,67 | |
| 315,Primary key constraint,true,91 | |
| 316,Foreign key constraint,false,91 | |
| 317,Domain constraint,false,91 | |
| 318,Diamond,false,92 | |
| 319,Rectangle,false,92 | |
| 320,Double diamond,false,92 | |
| 321,Double rectangle,true,92 | |
| 322,Fitness centre,false,93 | |
| 323,Fitness class,true,93 | |
| 324,Trainers’ speciality,false,93 | |
| 325,Equipment ID,false,93 | |
| 326,Report of each maintenance event,false,94 | |
| 327,Status type of equipment,false,94 | |
| 328,Employee of fitness centre,true,94 | |
| 329,Time slot of fitness class,false,94 | |
| 330,Associate member,false,95 | |
| 331,Employee ID,true,95 | |
| 332,Fitness class,false,95 | |
| 333,Fitness centre,false,95 | |
| 334,Weight gain,false,96 | |
| 335,Weight loss,false,96 | |
| 336,Strength building,false,96 | |
| 337,Speciality,true,96 | |
| 338,Equipments' status,false,97 | |
| 339,Fitness class,false,97 | |
| 340,Associate member,true,97 | |
| 341,Trainers’ speciality,false,97 | |
| 342,Phone number of technician,false,98 | |
| 343,Date of maintenance event,false,98 | |
| 344,Name of employee,false,98 | |
| 345,Time slot of fitness class,true,98 | |
| 346,Attribute and domain,false,99 | |
| 347,Entity and relationship,false,99 | |
| 348,Superclass and subclass,true,99 | |
| 349,Entity and attribute,false,99 | |
| 350,"1 : 1",false,100 | |
| 351,"1: N",false,100 | |
| 353,Partial,true,101 | |
| 354,Total,false,101 | |
| 355,Partial,false,102 | |
| 356,Total,true,102 | |
| 357,"1 : 1",false,103 | |
| 358,"1: N",true,103 | |
| 360,Partial,true,104 | |
| 361,Total,false,104 | |
| 362,Partial,false,105 | |
| 363,Total,true,105 | |
| 365,"Model ""trainer"" as an entity and model ""speciality"" as an attribute",false,106 | |
| 366,"Model ""trainer"" as an entity and model ""speciality"" as a multi-valued attribute",true,106 | |
| 368,Landline number,false,107 | |
| 369,Address,false,107 | |
| 370,ID,true,107 | |
| 371,Name,false,107 | |
| 372,For each fitness class the start date must be before the end date.,false,108 | |
| 373,Each piece of equipment should be maintained at least twice a year.,false,108 | |
| 374,Each fitness class is instructed by only one trainer and not all trainers deliver fitness classes.,true,108 | |
| 375,"Each piece of equipment has a unique ID and must have one of the following three status types: new, working or broken.",false,108 | |
| 359,N:N,false,103 | |
| 376,XY→XYZ,false,109 | |
| 377,X→YZ,false,109 | |
| 378,XYZ→Z,true,109 | |
| 379,YZ→X,false,109 | |
| 380,A,false,110 | |
| 381,AB,false,110 | |
| 382,ABC,true,110 | |
| 383,ABCD,false,110 | |
| 384,True,false,111 | |
| 385,False,true,111 | |
| 386,True,true,112 | |
| 387,False,false,112 | |
| 388,A,false,113 | |
| 389,AB,false,113 | |
| 390,ABC,false,113 | |
| 391,ABCD,true,113 | |
| 392,True,true,114 | |
| 393,False,false,114 | |
| 394,True,true,115 | |
| 395,False,false,115 | |
| 396,True,false,116 | |
| 397,False,true,116 | |
| 398,True,true,117 | |
| 399,False,false,117 | |
| 400,True,false,118 | |
| 401,False,true,118 | |
| 402,True,false,119 | |
| 403,False,true,119 | |
| 404,True,true,120 | |
| 405,False,false,120 | |
| 406,True,false,121 | |
| 407,False,true,121 | |
| 408,True,true,122 | |
| 409,False,false,122 | |
| 410,True,true,123 | |
| 411,False,false,123 | |
| 412,True,false,124 | |
| 413,False,true,124 | |
| 414,True,true,125 | |
| 415,False,false,125 | |
| 416,True,false,126 | |
| 417,False,true,126 | |
| 418,True,true,127 | |
| 419,False,false,127 | |
| 420,True,true,128 | |
| 421,False,false,128 | |
| 422,True,false,129 | |
| 423,False,true,129 | |
| 352,N:N ,true,100 | |
| 364,"Model ""speciality"" as an entity type",false,106 | |
| 367,"Model ""trainer"" as an entity type and model ""speciality"" as a weak entity type that is related to the entity type ""trainer""",false,106 | |
| 436,"A relation schema R is in BCNF if whenever a non-trivial FD X→ A holds in R, then A is a prime attribute.",false,133 | |
| 437,"A relation schema R is in 3NF if whenever a non-trivial FD X→ A holds in R, then X is a superkey.",false,133 | |
| 438,"A relation schema R is in BCNF if whenever a non-trivial FD X→ A holds in R, then X is a superkey.",true,133 | |
| 439,"A relation schema R is in 3NF if whenever a non-trivial FD X→ A holds in R, then A is a prime attribute.",false,133 | |
| 440,R is in 3NF and R is in BCNF.,true,134 | |
| 441,R is in 3NF and R is not in BCNF.,false,134 | |
| 442,R is not in 3NF and R is not in BCNF.,false,134 | |
| 443,R is not in 3NF and R is in BCNF.,false,134 | |
| 444,R is in 3NF and R is in BCNF.,true,135 | |
| 445,R is in 3NF and R is not in BCNF.,false,135 | |
| 446,R is not in 3NF and R is not in BCNF.,false,135 | |
| 447,R is not in 3NF and R is in BCNF.,false,135 | |
| 448,R is in 3NF and R is in BCNF.,false,136 | |
| 449,R is in 3NF and R is not in BCNF.,false,136 | |
| 450,R is not in 3NF and R is not in BCNF.,true,136 | |
| 451,R is not in 3NF and R is in BCNF.,false,136 | |
| 452,R is in 3NF and R is in BCNF.,true,137 | |
| 453,R is in 3NF and R is not in BCNF.,false,137 | |
| 454,R is not in 3NF and R is not in BCNF.,false,137 | |
| 455,R is not in 3NF and R is in BCNF.,false,137 | |
| 456,R is in 3NF and R is in BCNF.,false,138 | |
| 457,R is in 3NF and R is not in BCNF.,true,138 | |
| 458,R is not in 3NF and R is not in BCNF.,false,138 | |
| 459,R is not in 3NF and R is in BCNF.,false,138 | |
| 460,BCNF is a a less restrictive normal form compared to 3NF.,false,139 | |
| 461,BCNF can only minimise (not necessarily eliminate) redundancy.,false,139 | |
| 462,BCNF eliminates redundancy. ,true,139 | |
| 463,"3NF is a a more restrictive normal form compared to BCNF.",false,140 | |
| 464,"3NF can only minimise (not necessarily eliminate) redundancy.",true,140 | |
| 465,"3NF eliminates redundancy. ",false,140 | |
| 466,"If R is in BCNF, then R must be in 3NF.",true,141 | |
| 467,"If R is in 3NF, then R must be in BCNF.",false,141 | |
| 468,"If R is in BCNF, then R cannot be in 3NF.",false,141 | |
| 469,"If R is in 3NF, then R cannot be in BCNF.",false,141 | |
| 470,BCNF decomposition is always a dependency-preserving decomposition.,false,142 | |
| 471,"3NF decomposition is always a dependency-preserving decomposition.",true,142 | |
| 472,BCNF decomposition cannot be a dependency-preserving decomposition.,false,142 | |
| 473,"3NF decomposition cannot be a dependency-preserving decomposition.",false,142 | |
| 474,The BCNF decomposition is always unique for any R and Σ.,false,143 | |
| 475,The 3NF decomposition is always unique for any R and Σ.,false,143 | |
| 476,There exists an algorithm that can always generate a lossless and dependency-preserving decomposition into 3NF.,true,143 | |
| 477,There exists an algorithm that can always generate a lossless and dependency-preserving decomposition into BCNF.,false,143 | |
| 426,Does not fulfil the lossless join property but fulfils the dependency preserving property.,false,130 | |
| 424,Fulfils both lossless join and dependency preserving properties.,true,130 | |
| 427,Fulfils neither the lossless join property nor the dependency preserving property.,false,130 | |
| 425,Fulfils the lossless join property but does not fulfil the dependency preserving property.,false,130 | |
| 430,Does not fulfil the lossless join property but fulfils the dependency preserving property.,false,131 | |
| 428,Fulfils both lossless join and dependency preserving properties.,false,131 | |
| 431,Fulfils neither the lossless join property nor the dependency preserving property.,false,131 | |
| 429,Fulfils the lossless join property but does not fulfil the dependency preserving property.,true,131 | |
| 434,Does not fulfil the lossless join property but fulfils the dependency preserving property.,false,132 | |
| 432,Fulfils both lossless join and dependency preserving properties.,true,132 | |
| 435,Fulfils neither the lossless join property nor the dependency preserving property.,false,132 | |
| 433,Fulfils the lossless join property but does not fulfil the dependency preserving property.,false,132 | |
| 478,"6",false,146 | |
| 479,"4",true,146 | |
| 480,"2",false,146 | |
| 481,"0",false,146 | |
| 482,"3",false,147 | |
| 483,"2",true,147 | |
| 484,"1",false,147 | |
| 485,"0",false,147 | |
| 486,"4",false,148 | |
| 487,"3",true,148 | |
| 488,"2",false,148 | |
| 489,"1",false,148 | |
| 490,"4",false,149 | |
| 491,"3",true,149 | |
| 492,"2",false,149 | |
| 493,"1",false,149 | |
| 494,"6",false,150 | |
| 495,"5",false,150 | |
| 496,"4",true,150 | |
| 497,"3",false,150 | |
| 498,"4",false,151 | |
| 499,"3",false,151 | |
| 500,"2",false,151 | |
| 501,"1",true,151 | |
| 502,"4",false,152 | |
| 503,"3",false,152 | |
| 504,"2",true,152 | |
| 505,"1",false,152 | |
| 506,"28",true,153 | |
| 507,"12",false,153 | |
| 508,"7",false,153 | |
| 509,"4",false,153 | |
| 510,"28",false,154 | |
| 511,"12",true,154 | |
| 512,"7",false,154 | |
| 513,"4",false,154 | |
| 514,"28",false,155 | |
| 515,"12",false,155 | |
| 516,"7",true,155 | |
| 517,"4",false,155 | |
| 518,"28",false,156 | |
| 519,"12",false,156 | |
| 520,"7",true,156 | |
| 521,"4",false,156 | |
| 522,"16",false,157 | |
| 523,"12",false,157 | |
| 524,"8",false,157 | |
| 525,"4",true,157 | |
| 526,"12",false,158 | |
| 527,"9",false,158 | |
| 528,"7",false,158 | |
| 529,"3",true,158 | |
| 530,"28",false,159 | |
| 531,"21",true,159 | |
| 532,"12",false,159 | |
| 533,"7",false,159 | |
| 534,"16",true,160 | |
| 535,"8",false,160 | |
| 536,"4",false,160 | |
| 537,"0",false,160 | |
| 538,"28",false,161 | |
| 539,"17",true,161 | |
| 540,"12",false,161 | |
| 541,"7",false,161 | |
| 542,"16",false,162 | |
| 544,"8",false,162 | |
| 545,"5",false,162 | |
| 546,Yes,true,163 | |
| 547,No,false,163 | |
| 548,Yes,false,164 | |
| 549,No,true,164 | |
| 550,Yes,false,165 | |
| 551,No,true,165 | |
| 552,Yes,false,166 | |
| 553,No,true,166 | |
| 554,Yes,true,167 | |
| 555,No,false,167 | |
| 557,only B,false,168 | |
| 559,neither A nor B,false,168 | |
| 560,only A,false,169 | |
| 561,only B,false,169 | |
| 562,both A and B,true,169 | |
| 563,neither A nor B,false,169 | |
| 564,only A,false,170 | |
| 565,only B,false,170 | |
| 566,both A and B,false,170 | |
| 567,neither A nor B,true,170 | |
| 568,only A,false,171 | |
| 569,only B,true,171 | |
| 570,both A and B,false,171 | |
| 571,neither A nor B,false,171 | |
| 572,only A,false,172 | |
| 573,only B,false,172 | |
| 574,both A and B,false,172 | |
| 575,neither A nor B,true,172 | |
| 576,only A,false,173 | |
| 577,only B,true,173 | |
| 578,both A and B,false,173 | |
| 579,neither A nor B,false,173 | |
| 580,only A,false,174 | |
| 581,only B,false,174 | |
| 582,both A and B,false,174 | |
| 583,neither A nor B,true,174 | |
| 584,only A,false,175 | |
| 585,only B,false,175 | |
| 586,both A and B,true,175 | |
| 587,neither A nor B,false,175 | |
| 588,only A,false,176 | |
| 589,only B,false,176 | |
| 590,both A and B,true,176 | |
| 591,neither A nor B,false,176 | |
| 592,only A,false,177 | |
| 593,only B,false,177 | |
| 594,both A and B,true,177 | |
| 595,neither A nor B,false,177 | |
| 596,only A,true,178 | |
| 597,only B,false,178 | |
| 598,both A and B,false,178 | |
| 599,neither A nor B,false,178 | |
| 600,A specified attribute,false,179 | |
| 601,A specified tuple,true,179 | |
| 602,An entire relation,false,179 | |
| 603,None of the above,false,179 | |
| 604,Data encryption,false,180 | |
| 605,Access controls,false,180 | |
| 606,Auditing,true,180 | |
| 607,Authentication,false,180 | |
| 608,With grant privilege,false,181 | |
| 609,Allow grant privilege,false,181 | |
| 610,Allow grant option,false,181 | |
| 611,With grant option,true,181 | |
| 612,Use different levels of security to classify users and data.,true,182 | |
| 613,Allow owners of objects to determine who has access to their objects,false,182 | |
| 614,Control a list of authorized users using the GRANT and REVOKE commands,false,182 | |
| 615,Manage access control lists by assigning roles to users,false,182 | |
| 616,SQL injection may occur when an input is used in the construction of an SQL query without being adequately constrained or sanitized,false,183 | |
| 617,SQL injection allows an attacker to access a SQL database and execute SQL commands under the privileges of a user who connects to the database,false,183 | |
| 620,GRANT select ON salary TO Tom no cascade;,false,184 | |
| 621,REVOKE select ON salary FROM Tom restrict;,true,184 | |
| 622,GRANT select ON salary TO Tom no restrict;,false,184 | |
| 623,REVOKE select ON salary FROM Tom cascade;,false,184 | |
| 624,A user who creates a view can always receive the select and update privileges on that view.,false,185 | |
| 625,A user who creates a view can always receive the update privilege on that view if the user has the update privilege on the underlying tables/views used to define the view.,false,185 | |
| 626,A user who creates a view does not necessarily receive all privileges on that view.,true,185 | |
| 627,A user who creates a view receives all privileges on that view.,false,185 | |
| 628,Objects that do not have an owner cannot be modified.,false,186 | |
| 629,The database administrator is an owner of each object.,false,186 | |
| 630,"For each object, the database administrator can grant privileges to other users at their own discretion.",false,186 | |
| 631,Each object has an owner who has full control on managing the privileges to the object.,true,186 | |
| 632,"DAC relies only on the identity of a user, leaving room for Trojan Horse attacks.",true,187 | |
| 633,"DAC relies on certificates of a user, leaving room for attackers to use those certificates.",false,187 | |
| 634,"DAC does not rely on the identity of a user, leaving room for Trojan Horse attacks.",false,187 | |
| 635,"DAC does not regulate the role of a user, leaving room for Trojan Horse attacks.",false,187 | |
| 642,"var City; City = Request.form (""City""); var SQL = ""select * from OrdersTable where City = '"" + City + ""'"";",true,189 | |
| 643,"var SQL = ""select * from OrdersTable where City = ‘Canberra’"";",false,189 | |
| 644,"var City; City =‘Canberra’; var SQL = ""select * from OrdersTable where City = '"" + City + “'"";",false,189 | |
| 645,None of the above,false,189 | |
| 646,"File, printer, and mailbox roles.",false,190 | |
| 647,"Sales, marketing, management, and production roles.",true,190 | |
| 648,User and workstation roles.,false,190 | |
| 649,Resource and department roles.,false,190 | |
| 650,A method of restricting user access to a database system,true,191 | |
| 651,A method of restricting user access to data in a database system,false,191 | |
| 652,A method of restricting operations on data stored in a database system,false,191 | |
| 653,All of the above,false,191 | |
| 654,Both Amy and Peter have the select privilege on Event,false,192 | |
| 636,Access control list and Ownership,false,188 | |
| 638,Group membership and Role,false,188 | |
| 639,User security clearance and Data classification,true,188 | |
| 543,"4",true,162 | |
| 558,both A and B,true,168 | |
| 556, only A,false,168 | |
| 655,"Amy has the select privilege on Event, but Peter does not have this privilege",true,192 | |
| 656,"Peter has the select privilege on Event, but Amy does not have this privilege",false,192 | |
| 657,None of Amy and Peter have the select privilege on Event,false,192 | |
| 658,Both Amy and Peter have the select privilege on Event,false,193 | |
| 659,"Amy has the select privilege on Event, but Peter does not have this privilege",false,193 | |
| 660,"Peter has the select privilege on Event, but Amy does not have this privilege",true,193 | |
| 661,None of Amy and Peter have the select privilege on Event,false,193 | |
| 662,Confidentiality,false,194 | |
| 663,Availability,false,194 | |
| 664,Integrity,true,194 | |
| 665,Accountability,false,194 | |
| 666,Write down rule,false,195 | |
| 667,Write up rule,false,195 | |
| 668,Read down rule,true,195 | |
| 669,Read up rule,false,195 | |
| 670,A Trojan is a small malicious program that runs hidden on the infected system.,false,196 | |
| 671,A Trojan is created with the intent and it can infect the system by misleading a user.,false,196 | |
| 672,A Trojan works in the background and steals sensitive data.,false,196 | |
| 673,"A Trojan can self-replicate, as a virus does.",true,196 | |
| 674,A method that is used to secretly pass information and not normally used for communication,true,197 | |
| 675,A method that is used to transmit secret or top secret data,false,197 | |
| 676,A trusted channel that is used for communication,false,197 | |
| 677,Any channel that crosses the security perimeter,false,197 | |
| 678,Authentication by what you have,false,198 | |
| 679,Authentication by what you know,false,198 | |
| 680,Authentication by what you are,false,198 | |
| 681,Two-factor authentication,true,198 | |
| 618,SQL injection can be prevented by removing the privileges of a user who connects to the database,true,183 | |
| 682,None of the above,false,183 | |
| 683,Recover manager,false,199 | |
| 684,Concurrency control,true,199 | |
| 685,Storage manager,false,199 | |
| 686,File manager,false,199 | |
| 688,T1 and T2 produce correct results if T1 is executed after T2 commits,false,200 | |
| 689,T1 and T2 produce correct results if T1 and T2 are executed concurrently but do not access any common data items,false,200 | |
| 690,All of the above,true,200 | |
| 691,Read committed,true,201 | |
| 692,Read uncommitted,false,201 | |
| 693,Serializable,false,201 | |
| 694,Repeatable read,false,201 | |
| 695,Consistency,false,202 | |
| 696,Serializability,true,202 | |
| 697,Atomicity,false,202 | |
| 698,All of the above,false,202 | |
| 699,Read,false,203 | |
| 700,Write,false,203 | |
| 701,Read and write,true,203 | |
| 702,Update,false,203 | |
| 703,"Once a transaction has released a lock, this transaction can not acquire any more locks",false,204 | |
| 704,A transaction can release all its locks when this transaction commits,false,204 | |
| 705,A transaction can acquire all the locks which it needs when this transaction begins,false,204 | |
| 706,All of the above,true,204 | |
| 707,Unrepeatable read,false,205 | |
| 708,Phantom read,true,205 | |
| 709,Dirty read,false,205 | |
| 710,Lost update,false,205 | |
| 711,Increase throughput,false,206 | |
| 712,Reduce average response time,false,206 | |
| 713,Increase utilisation,false,206 | |
| 714,All of the above,true,206 | |
| 715,Atomicity and integrity,false,207 | |
| 716,Atomicity and durability,true,207 | |
| 717,Atomicity and isolation,false,207 | |
| 718,Durability and isolation,false,207 | |
| 719,Lost update,false,208 | |
| 720,Dirty read,true,208 | |
| 721,Unrepeatable read,false,208 | |
| 722,Phantom read,false,208 | |
| 723,Lost update,false,209 | |
| 726,Phantom read,false,209 | |
| 727,Lost update,true,210 | |
| 728,Dirty read,false,210 | |
| 729,Unrepeatable read,false,210 | |
| 730,Phantom read,false,210 | |
| 731,"66 and 82",false,211 | |
| 732,"81 and 90",false,211 | |
| 733,"66 and 90",true,211 | |
| 734,None of the above,false,211 | |
| 735,"66 and 82",false,212 | |
| 736,"81 and 90",false,212 | |
| 737,"66 and 90",true,212 | |
| 738,None of the above,false,212 | |
| 739,"66, 81, 82 and 90",false,213 | |
| 740,"66, 76, 81, 82, 87, and 90",true,213 | |
| 741,"66, 78, 81, 82, 88, and 90",false,213 | |
| 742,"66 and 90",false,213 | |
| 743,None of the above,false,213 | |
| 744,Undo the changes before commit,false,214 | |
| 745,Clear all changes,false,214 | |
| 746,Redo the changes before commit,false,214 | |
| 747,Nothing,true,214 | |
| 752,Schedule 1and Schedule 2,false,216 | |
| 753,Schedule 2 and Schedule 3,false,216 | |
| 754,Schedule 3 and Schedule 4,false,216 | |
| 759,"None of 1, 2 and 3",false,217 | |
| 760,"Redo the operations that have not been committed, i.e., write(A) and write(B) from T1",false,218 | |
| 761,"Undo the operations that have not been committed, i.e., write(A) and write(B) from T1",true,218 | |
| 762,"Redo the operations that have not been committed, i.e., write(B) from T1",false,218 | |
| 763,"Undo the operations that have not been committed, i.e., write(B) from T1",false,218 | |
| 764,"Redo the operations that have been committed, i.e., write(D) from T2 and write(A) from T1",false,219 | |
| 765,"Undo the operations that have been committed, i.e., write(D) from T2 and write(A) from T1",false,219 | |
| 766,"Redo the operations that have been committed, i.e., write(D) from T2",true,219 | |
| 767,"Undo the operations that have been committed, i.e., write(D) from T2",false,219 | |
| 756,Schedule 1,false,217 | |
| 757,Schedule 2,false,217 | |
| 724,Dirty read,false,209 | |
| 725,Unrepeatable read,true,209 | |
| 758,Schedule 3,true,217 | |
| 687,A schedule of T1 and T2 can be serialized if T1 and T2 are executed under the two phase locking protocol,false,200 | |
| 755,Schedule 1 and Schedule 4,false,216 | |
| 768,Schedule 2 and Schedule 4,true,216 | |