inital commit

.gitignore

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+target/

database/BNF.txt

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+
+<Command>         ::=  <CommandType> ";"
+
+<CommandType>     ::=  <Use> | <Create> | <Drop> | <Alter> | <Insert> | <Select> | <Update> | <Delete> | <Join>
+
+<Use>             ::=  "USE " [DatabaseName]
+
+<Create>          ::=  <CreateDatabase> | <CreateTable>
+
+<CreateDatabase>  ::=  "CREATE " "DATABASE " [DatabaseName]
+
+<CreateTable>     ::=  "CREATE " "TABLE " [TableName] | "CREATE " "TABLE " [TableName] "(" <AttributeList> ")"
+
+<Drop>            ::=  "DROP " "DATABASE " [DatabaseName] | "DROP " "TABLE " [TableName]
+
+<Alter>           ::=  "ALTER " "TABLE " [TableName] " " <AlterationType> " " [AttributeName]
+
+<Insert>          ::=  "INSERT " "INTO " [TableName] " VALUES" "(" <ValueList> ")"
+
+<Select>          ::=  "SELECT " <WildAttribList> " FROM " [TableName] | "SELECT " <WildAttribList> " FROM " [TableName] " WHERE " <Condition> 
+
+<Update>          ::=  "UPDATE " [TableName] " SET " <NameValueList> " WHERE " <Condition> 
+
+<Delete>          ::=  "DELETE " "FROM " [TableName] " WHERE " <Condition>
+
+<Join>            ::=  "JOIN " [TableName] " AND " [TableName] " ON " [AttributeName] " AND " [AttributeName]
+
+[Digit]           ::=  "0" | "1" | "2" | "3" | "4" | "5" | "6" | "7" | "8" | "9"
+
+[Uppercase]       ::=  "A" | "B" | "C" | "D" | "E" | "F" | "G" | "H" | "I" | "J" | "K" | "L" | "M" | "N" | "O" | "P" | "Q" | "R" | "S" | "T" | "U" | "V" | "W" | "X" | "Y" | "Z"
+
+[Lowercase]       ::=  "a" | "b" | "c" | "d" | "e" | "f" | "g" | "h" | "i" | "j" | "k" | "l" | "m" | "n" | "o" | "p" | "q" | "r" | "s" | "t" | "u" | "v" | "w" | "x" | "y" | "z"
+
+[Letter]          ::=  [Uppercase] | [Lowercase]
+
+[PlainText]       ::=  [Letter] | [Digit] | [PlainText] [Letter] | [PlainText] [Digit]
+
+[Symbol]          ::=  "!" | "#" | "$" | "%" | "&" | "(" | ")" | "*" | "+" | "," | "-" | "." | "/" | ":" | ";" | ">" | "=" | "<" | "?" | "@" | "[" | "\" | "]" | "^" | "_" | "`" | "{" | "}" | "~"
+
+[Space]           ::=  " "
+
+<NameValueList>   ::=  <NameValuePair> | <NameValuePair> "," <NameValueList>
+
+<NameValuePair>   ::=  [AttributeName] "=" [Value]
+
+<AlterationType>  ::=  "ADD" | "DROP"
+
+<ValueList>       ::=  [Value] | [Value] "," <ValueList>
+
+[DigitSequence]   ::=  [Digit] | [Digit] [DigitSequence]
+
+[IntegerLiteral]  ::=  [DigitSequence] | "-" [DigitSequence] | "+" [DigitSequence] 
+
+[FloatLiteral]    ::=  [DigitSequence] "." [DigitSequence] | "-" [DigitSequence] "." [DigitSequence] | "+" [DigitSequence] "." [DigitSequence]
+
+[BooleanLiteral]  ::=  "TRUE" | "FALSE"
+
+[CharLiteral]     ::=  [Space] | [Letter] | [Symbol] | [Digit]
+
+[StringLiteral]   ::=  "" | [CharLiteral] | [StringLiteral] [CharLiteral]
+
+[Value]           ::=  "'" [StringLiteral] "'" | [BooleanLiteral] | [FloatLiteral] | [IntegerLiteral] | "NULL"
+
+[TableName]       ::=  [PlainText]
+
+[AttributeName]   ::=  [PlainText]
+
+[DatabaseName]    ::=  [PlainText]
+
+<WildAttribList>  ::=  <AttributeList> | "*"
+
+<AttributeList>   ::=  [AttributeName] | [AttributeName] "," <AttributeList>
+
+<Condition>       ::=  "(" <Condition> <BoolOperator> <Condition> ")" | <Condition> <BoolOperator> <Condition> | "(" [AttributeName] <Comparator> [Value] ")" | [AttributeName] <Comparator> [Value]
+
+<BoolOperator>    ::= "AND" | "OR"
+
+<Comparator>      ::=  "==" | ">" | "<" | ">=" | "<=" | "!=" | " LIKE "
+
+
+Note:
+<name> denotes a rule which may contain arbitrary additional whitespace within the symbol, where as [name] indicates a rule that cannot contain additional whitespace.
+For rules where additional whitespace is permitted, this can only occur before/after/between tokens and NOT _inside_ the tokens themselves...
+For example, the following is valid: CREATE    DATABASE    marks;
+Whereas the following is not valid: CRE ATE   DATA BASE    marks;

database/people.tab

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+id	Name	Age	Email
+1	Bob	21	bob@bob.net
+2	Harry	32	harry@harry.com
+3	Chris	42	chris@chris.ac.uk
+

database/sheds.tab

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+id	Name	Height	PurchaserID
+1	Dorchester	1800	3
+2	Plaza	1200	1
+3	Excelsior	1000	2

databases/bnqqqcdcos/bnqqqcdcos.tab

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+id	a	b	c
+1	435	45	876
+2	54	453	87
+3	435	45	768
+4	2	7	8

databases/cbnduaycwx/marks.tab

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+id	name	mark	pass
+1	'Simon'	65	TRUE
+2	'Sion'	55	TRUE
+3	'Rob'	35	FALSE
+4	'Chris'	20	FALSE

databases/cgcbbkukij/marks.tab

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+id	name	mark	pass
+1	'Simon'	65	TRUE
+2	'Sion'	55	TRUE
+3	'Rob'	35	FALSE
+4	'Chris'	20	FALSE

databases/djrmowyklq/marks.tab

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+id	name	mark	pass
+1	'Simon'	65	TRUE

databases/djwiwvemmg/djwiwvemmg.tab

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+id	test	test1

databases/dmjeuytcxk/dmjeuytcxk.tab

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+id	a	b	c
+1	a	b	c
+2	abc	def	ghi

databases/dngrfanjgx/dngrfanjgx.tab

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+id	a	b	c
+1	435	45	876
+2	54	453	87
+3	435	45	768
+4	2	7	8

databases/drooiimein/marks.tab

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+id	name	mark	pass
+1	'Simon'	65	TRUE

databases/epvfkumwwv/marks.tab

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+id	name	mark	pass
+1	'Simon'	65	TRUE
+2	'Sion'	55	TRUE
+3	'Rob'	35	FALSE
+4	'Chris'	20	FALSE

databases/etggbbfmkp/marks.tab

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+id	name	mark	pass
+1	'Simon'	65	TRUE

databases/fnscsrcxqg/fnscsrcxqg.tab

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+id	a	b	c
+1	a	b	c
+2	abc	def	ghi

databases/fnypiusxee/fnypiusxee.tab

@@ -0,0 +1 @@
+id	test	test1

databases/glmupgooix/glmupgooix.tab

@@ -0,0 +1,3 @@
+id	a	b	c
+1	a	b	c
+2	abc	def	ghi

databases/ickxdfcwww/ickxdfcwww.tab

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+id	a	b	c
+1	a	b	c
+2	abc	def	ghi

databases/iyllqfpjti/iyllqfpjti.tab

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+id	test	test1

databases/khxkkwqxjs/khxkkwqxjs.tab

@@ -0,0 +1,5 @@
+id	a	b	c
+1	435	45	876
+2	54	453	87
+3	435	45	768
+4	2	7	8

databases/kpqwlisfco/kpqwlisfco.tab

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+id	test	test1

databases/lvnpbbqqxq/marks.tab

@@ -0,0 +1,2 @@
+id	name	mark	pass
+1	'Simon'	65	TRUE

databases/mqesxdpmcg/marks.tab

@@ -0,0 +1,2 @@
+id	name	mark	pass
+1	'Simon'	65	TRUE

databases/ofceasrdcr/ofceasrdcr.tab

@@ -0,0 +1,3 @@
+id	a	b	c
+1	a	b	c
+2	abc	def	ghi

databases/ofrodfvxlg/marks.tab

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+id	name	mark	pass
+1	'Simon'	65	TRUE

databases/okbufhhteq/marks.tab

@@ -0,0 +1,2 @@
+id	name	mark	pass
+1	'Simon'	65	TRUE

databases/otdymarxuq/marks.tab

@@ -0,0 +1,5 @@
+id	name	mark	pass
+1	'Simon'	65	TRUE
+2	'Sion'	55	TRUE
+3	'Rob'	35	FALSE
+4	'Chris'	20	FALSE

databases/ovclcjbmbq/ovclcjbmbq.tab

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+id	a	b	c
+1	435	45	876
+2	54	453	87
+3	435	45	768
+4	2	7	8

databases/qdcvqughwb/marks.tab

@@ -0,0 +1,2 @@
+id	name	mark	pass
+1	'Simon'	65	TRUE

databases/qvpcyugsme/marks.tab

@@ -0,0 +1,2 @@
+id	name	mark	pass
+1	'Simon'	65	TRUE

databases/qvykkqftms/marks.tab

@@ -0,0 +1,5 @@
+id	name	mark	pass
+1	'Simon'	65	TRUE
+2	'Sion'	55	TRUE
+3	'Rob'	35	FALSE
+4	'Chris'	20	FALSE

databases/ruicsrracx/marks.tab

@@ -0,0 +1,2 @@
+id	name	mark	pass
+1	'Simon'	65	TRUE

databases/svxdopqibc/marks.tab

@@ -0,0 +1,2 @@
+id	name	mark	pass
+1	'Simon'	65	TRUE

databases/tdotwgndhj/marks.tab

@@ -0,0 +1,5 @@
+id	name	mark	pass
+1	'Simon'	65	TRUE
+2	'Sion'	55	TRUE
+3	'Rob'	35	FALSE
+4	'Chris'	20	FALSE

databases/tkvuqbvdos/tkvuqbvdos.tab

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+id	a	b	c
+1	435	45	876
+2	54	453	87
+3	435	45	768
+4	2	7	8

databases/uxdyshftky/marks.tab

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+id	name	mark	pass
+1	'Simon'	65	TRUE

databases/vcpojyhxum/marks.tab

@@ -0,0 +1,2 @@
+id	name	mark	pass
+1	'Simon'	65	TRUE

databases/vcrxmbjgbw/vcrxmbjgbw.tab

@@ -0,0 +1 @@
+id	test	test1

databases/xbxcuvrrqx/xbxcuvrrqx.tab

@@ -0,0 +1,3 @@
+id	a	b	c
+1	a	b	c
+2	abc	def	ghi

databases/xqhmasjkha/marks.tab

@@ -0,0 +1,2 @@
+id	name	mark	pass
+1	'Simon'	65	TRUE

databases/xscbogspvq/xscbogspvq.tab

@@ -0,0 +1,5 @@
+id	a	b	c
+1	435	45	876
+2	54	453	87
+3	435	45	768
+4	2	7	8

databases/xuxesjtqro/xuxesjtqro.tab

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+id	test	test1

databases/ydgymnluhd/marks.tab

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+id	name	mark	pass
+1	'Simon'	65	TRUE

databases/ypivkqglow/marks.tab

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+id	name	mark	pass
+1	'Simon'	65	TRUE

databases/yqxavjbssy/marks.tab

@@ -0,0 +1,2 @@
+id	name	mark	pass
+1	'Simon'	65	TRUE

databases/yrtjxliuja/marks.tab

@@ -0,0 +1,2 @@
+id	name	mark	pass
+1	'Simon'	65	TRUE