+

concatenation, e.g. EMPLOYEES.FirstName + ' ' + EMPLOYEES.LastName

[]

access to single character, e.g. EMPLOYEES.FirstName[1] + '. ' + EMPLOYEES.LastName

<

less

<=

less or equal

=

equal

>=

greater or equal

>

greater

less

less

equal

equal

greater

greater

<>

not equal

has

case sensitive search of string within another, e.g. 'John Smith' has 'Sm'

like

case insensitive correspondence to mask containing jokers, e.g. 'Smith' like 'sMIth', 'Smith' like 'Sm*', 'Smith' like 'Smit?' (all true)

in [..]

tests, whether an element is contained within the set

Asc(C: String): Integer

Returns the ordinal value of the first character in the string.

Chr(N: Integer): String

Returns the character for a specified Unicode value.

Exchange(Source, From, To: String): String

Replaces all occurrences of From in Source by To and returns the modified string.

FillStr(Source, Filler: String; Len: Integer): String

Fills the Source with the Filler up to the given Length and returns the result.

LeftStr(Source: String; Len: Integer): String

Return the left substring of source with given length.

Length(Source: String)

Return the count of characters in Source.

Lower(Source: String): String

Returns the string in lowercase.

LTrim(Source: String): String

Returns Source without any leading white-space.

MemoStr(Memo: MemoField [; Len: Integer]): String

Returns the first Len (default is 255, -1 means all) characters of the content of the memo field in the current record.

NTimes(Source: String; Count: Integer): String

Returns a string that repeats Source Count times.

RealVal(Str: String): Real

Calculates the numeric value of a string expression.

Pos(SubStr, Source: String): Integer

Returns the position of SubStr in Source or 0, if SubStr is not contained in Source.

RightStr(Source: String; Len: Integer)

Returns the Len last characters of Source.

RTrim(Source: String): String

Returns Source without any trailing white-spaces.

Scan(SubStr, Source: String): Integer

Returns the number of occurrences of SubStr in Str.

Str(Num: Real[; Width, Scale: Integer]): String

Returns the alphanumeric representation of Num with given Width and Scale. Width=1 means as needed. The alphanumeric representation of an enumeration value (see column data types) is the name of the value.

Upper(Source: String): String

Returns the string in uppercase.

NewGuid: String

Returns a string denoting a new Globally Unique Identifier.