sql-assignment-generator 0.0.1

This project generates SQL assignments based on common mistakes made by learners.

sql-assignment-generation

Automated generation of SQL assignments based on misconceptions.

Misconceptions - To Do List

Misconceptions are based on Taipalus' error categorization.

Syntax errors

Ambiguous Database Object

1. SYN_1_AMBIGUOUS_DATABASE_OBJECT_OMITTING_CORRELATION_NAMES
2. SYN_1_AMBIGUOUS_DATABASE_OBJECT_AMBIGUOUS_COLUMN
3. SYN_1_AMBIGUOUS_DATABASE_OBJECT_AMBIGUOUS_FUNCTION

Undefined Database Object

4. SYN_2_UNDEFINED_DATABASE_OBJECT_UNDEFINED_COLUMN
5. SYN_2_UNDEFINED_DATABASE_OBJECT_UNDEFINED_FUNCTION
6. SYN_2_UNDEFINED_DATABASE_OBJECT_UNDEFINED_PARAMETER
7. SYN_2_UNDEFINED_DATABASE_OBJECT_UNDEFINED_OBJECT
8. SYN_2_UNDEFINED_DATABASE_OBJECT_INVALID_SCHEMA_NAME
9. SYN_2_UNDEFINED_DATABASE_OBJECT_MISSPELLINGS
10. SYN_2_UNDEFINED_DATABASE_OBJECT_SYNONYMS
11. SYN_2_UNDEFINED_DATABASE_OBJECT_OMITTING_QUOTES_AROUND_CHARACTER_DATA

Data Type Mismatch

12. SYN_3_DATA_TYPE_MISMATCH_FAILURE_TO_SPECIFY_COLUMN_NAME_TWICE
13. SYN_3_DATA_TYPE_MISMATCH

Illegal Aggregate Function Placement

14. SYN_4_ILLEGAL_AGGREGATE_FUNCTION_PLACEMENT_USING_AGGREGATE_FUNCTION_OUTSIDE_SELECT_OR_HAVING
15. SYN_4_ILLEGAL_AGGREGATE_FUNCTION_PLACEMENT_GROUPING_ERROR_AGGREGATE_FUNCTIONS_CANNOT_BE_NESTED

Illegal Or Insufficient Grouping

16. SYN_5_ILLEGAL_OR_INSUFFICIENT_GROUPING_GROUPING_ERROR_EXTRANEOUS_OR_OMITTED_GROUPING_COLUMN
17. SYN_5_ILLEGAL_OR_INSUFFICIENT_GROUPING_STRANGE_HAVING_HAVING_WITHOUT_GROUP_BY

Common Syntax Error

18. SYN_6_COMMON_SYNTAX_ERROR_CONFUSING_FUNCTION_WITH_FUNCTION_PARAMETER
19. SYN_6_COMMON_SYNTAX_ERROR_USING_WHERE_TWICE
20. SYN_6_COMMON_SYNTAX_ERROR_OMITTING_THE_FROM_CLAUSE
21. SYN_6_COMMON_SYNTAX_ERROR_COMPARISON_WITH_NULL
22. SYN_6_COMMON_SYNTAX_ERROR_OMITTING_THE_SEMICOLON
23. SYN_6_COMMON_SYNTAX_ERROR_DATE_TIME_FIELD_OVERFLOW
24. SYN_6_COMMON_SYNTAX_ERROR_DUPLICATE_CLAUSE
25. SYN_6_COMMON_SYNTAX_ERROR_USING_AN_UNDEFINED_CORRELATION_NAME
26. SYN_6_COMMON_SYNTAX_ERROR_TOO_MANY_COLUMNS_IN_SUBQUERY
27. SYN_6_COMMON_SYNTAX_ERROR_CONFUSING_TABLE_NAMES_WITH_COLUMN_NAMES
28. SYN_6_COMMON_SYNTAX_ERROR_RESTRICTION_IN_SELECT_CLAUSE
29. SYN_6_COMMON_SYNTAX_ERROR_PROJECTION_IN_WHERE_CLAUSE
30. SYN_6_COMMON_SYNTAX_ERROR_CONFUSING_THE_ORDER_OF_KEYWORDS
31. SYN_6_COMMON_SYNTAX_ERROR_CONFUSING_THE_LOGIC_OF_KEYWORDS
32. SYN_6_COMMON_SYNTAX_ERROR_CONFUSING_THE_SYNTAX_OF_KEYWORDS
33. SYN_6_COMMON_SYNTAX_ERROR_OMITTING_COMMAS
34. SYN_6_COMMON_SYNTAX_ERROR_CURLY_SQUARE_OR_UNMATCHED_BRACKETS
35. SYN_6_COMMON_SYNTAX_ERROR_IS_WHERE_NOT_APPLICABLE
36. SYN_6_COMMON_SYNTAX_ERROR_NONSTANDARD_KEYWORDS_OR_STANDARD_KEYWORDS_IN_WRONG_CONTEXT
37. SYN_6_COMMON_SYNTAX_ERROR_NONSTANDARD_OPERATORS
38. SYN_6_COMMON_SYNTAX_ERROR_ADDITIONAL_SEMICOLON

Semantic Errors

Inconsistent Expression

39. SEM_1_INCONSISTENT_EXPRESSION_AND_INSTEAD_OF_OR
40. SEM_1_INCONSISTENT_EXPRESSION_TAUTOLOGICAL_OR_INCONSISTENT_EXPRESSION
41. SEM_1_INCONSISTENT_EXPRESSION_DISTINCT_IN_SUM_OR_AVG
42. SEM_1_INCONSISTENT_EXPRESSION_DISTINCT_THAT_MIGHT_REMOVE_IMPORTANT_DUPLICATES
43. SEM_1_INCONSISTENT_EXPRESSION_WILDCARDS_WITHOUT_LIKE
44. SEM_1_INCONSISTENT_EXPRESSION_INCORRECT_WILDCARD_USING_UNDERSCORE_INSTEAD_OF_PERCENT
45. SEM_1_INCONSISTENT_EXPRESSION_MIXING_A_GREATER_THAN_0_WITH_IS_NOT_NULL

Inconsistent Join

46. SEM_2_INCONSISTENT_JOIN_NULL_IN_IN_ANY_ALL_SUBQUERY
47. SEM_2_INCONSISTENT_JOIN_JOIN_ON_INCORRECT_COLUMN

Missing Join

48. SEM_3_MISSING_JOIN_OMITTING_A_JOIN

Duplicate Rows

49. SEM_4_DUPLICATE_ROWS_MANY_DUPLICATES

Redundant Column Output

50. SEM_5_REDUNDANT_COLUMN_OUTPUT_CONSTANT_COLUMN_OUTPUT
51. SEM_5_REDUNDANT_COLUMN_OUTPUT_DUPLICATE_COLUMN_OUTPUT

Logical Errors

Operator Error

52. LOG_1_OPERATOR_ERROR_OR_INSTEAD_OF_AND
53. LOG_1_OPERATOR_ERROR_EXTRANEOUS_NOT_OPERATOR
54. LOG_1_OPERATOR_ERROR_MISSING_NOT_OPERATOR
55. LOG_1_OPERATOR_ERROR_SUBSTITUTING_EXISTENCE_NEGATION_WITH_NOT_EQUAL_TO
56. LOG_1_OPERATOR_ERROR_PUTTING_NOT_IN_FRONT_OF_INCORRECT_IN_OR_EXISTS
57. LOG_1_OPERATOR_ERROR_INCORRECT_COMPARISON_OPERATOR_OR_VALUE

Join Error

58. LOG_2_JOIN_ERROR_JOIN_ON_INCORRECT_TABLE
59. LOG_2_JOIN_ERROR_JOIN_WHEN_JOIN_NEEDS_TO_BE_OMITTED
60. LOG_2_JOIN_ERROR_JOIN_ON_INCORRECT_COLUMN_MATCHES_POSSIBLE
61. LOG_2_JOIN_ERROR_JOIN_WITH_INCORRECT_COMPARISON_OPERATOR
62. LOG_2_JOIN_ERROR_MISSING_JOIN

Nesting Error

63. LOG_3_NESTING_ERROR_IMPROPER_NESTING_OF_EXPRESSIONS
64. LOG_3_NESTING_ERROR_IMPROPER_NESTING_OF_SUBQUERIES

Expression Error

65. LOG_4_EXPRESSION_ERROR_EXTRANEOUS_QUOTES
66. LOG_4_EXPRESSION_ERROR_MISSING_EXPRESSION
67. LOG_4_EXPRESSION_ERROR_EXPRESSION_ON_INCORRECT_COLUMN
68. LOG_4_EXPRESSION_ERROR_EXTRANEOUS_EXPRESSION
69. LOG_4_EXPRESSION_ERROR_EXPRESSION_IN_INCORRECT_CLAUSE

Projection Error

70. LOG_5_PROJECTION_ERROR_EXTRANEOUS_COLUMN_IN_SELECT
71. LOG_5_PROJECTION_ERROR_MISSING_COLUMN_FROM_SELECT
72. LOG_5_PROJECTION_ERROR_MISSING_DISTINCT_FROM_SELECT
73. LOG_5_PROJECTION_ERROR_MISSING_AS_FROM_SELECT
74. LOG_5_PROJECTION_ERROR_MISSING_COLUMN_FROM_ORDER_BY
75. LOG_5_PROJECTION_ERROR_INCORRECT_COLUMN_IN_ORDER_BY
76. LOG_5_PROJECTION_ERROR_EXTRANEOUS_ORDER_BY_CLAUSE
77. LOG_5_PROJECTION_ERROR_INCORRECT_ORDERING_OF_ROWS

Function Error

78. LOG_6_FUNCTION_ERROR_DISTINCT_AS_FUNCTION_PARAMETER_WHERE_NOT_APPLICABLE
79. LOG_6_FUNCTION_ERROR_MISSING_DISTINCT_FROM_FUNCTION_PARAMETER
80. LOG_6_FUNCTION_ERROR_INCORRECT_FUNCTION
81. LOG_6_FUNCTION_ERROR_INCORRECT_COLUMN_AS_FUNCTION_PARAMETER

Complications

82. COM_1_COMPLICATION_UNNECESSARY_COMPLICATION
83. COM_1_COMPLICATION_UNNECESSARY_DISTINCT_IN_SELECT_CLAUSE
84. COM_1_COMPLICATION_UNNECESSARY_JOIN
85. COM_1_COMPLICATION_UNUSED_CORRELATION_NAME
86. COM_1_COMPLICATION_CORRELATION_NAMES_ARE_ALWAYS_IDENTICAL
87. COM_1_COMPLICATION_UNNECESSARILY_GENERAL_COMPARISON_OPERATOR
88. COM_1_COMPLICATION_LIKE_WITHOUT_WILDCARDS
89. COM_1_COMPLICATION_UNNECESSARILY_COMPLICATED_SELECT_IN_EXISTS_SUBQUERY
90. COM_1_COMPLICATION_IN_EXISTS_CAN_BE_REPLACED_BY_COMPARISON
91. COM_1_COMPLICATION_UNNECESSARY_AGGREGATE_FUNCTION
92. COM_1_COMPLICATION_UNNECESSARY_DISTINCT_IN_AGGREGATE_FUNCTION
93. COM_1_COMPLICATION_UNNECESSARY_ARGUMENT_OF_COUNT
94. COM_1_COMPLICATION_UNNECESSARY_GROUP_BY_IN_EXISTS_SUBQUERY
95. COM_1_COMPLICATION_GROUP_BY_WITH_SINGLETON_GROUPS
96. COM_1_COMPLICATION_GROUP_BY_CAN_BE_REPLACED_WITH_DISTINCT
97. COM_1_COMPLICATION_UNION_CAN_BE_REPLACED_BY_OR
98. COM_1_COMPLICATION_UNNECESSARY_COLUMN_IN_ORDER_BY_CLAUSE
99. COM_1_COMPLICATION_ORDER_BY_IN_SUBQUERY
100. COM_1_COMPLICATION_INEFFICIENT_HAVING
101. COM_1_COMPLICATION_INEFFICIENT_UNION
102. COM_1_COMPLICATION_CONDITION_IN_SUBQUERY_CAN_BE_MOVED_UP
103. COM_1_COMPLICATION_CONDITION_ON_LEFT_TABLE_IN_LEFT_OUTER_JOIN
104. COM_1_COMPLICATION_OUTER_JOIN_CAN_BE_REPLACED_BY_INNER_JOIN
105. COM_X_COMPLICATION_JOIN_CONDITION_IN_WHERE_CLAUSE