Examples of using Expr in English and their translations into Greek
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Colloquial
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Official
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Medicine
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Ecclesiastic
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Financial
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Official/political
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Computer
African Expr(K) information.
Expr Pegasus ferry boat, tickets, reviews, photos and routes.
True when Expr is not true. Xor.
Expr Required; Variant expression you want to evaluate.
Any field included in expr must be a numeric field.
Not Expr True when Expr is not true.
If criteria is omitted, the DStDev andDStDevP functions evaluate expr against the entire domain.
If expr, value1, or value2 is Null, Between….
Note 1: if no default is specified And there is no match for an Attr_expr then a null is returned!
Value or expression returned if expr is True.
The Count function does not count records that have Null fields unless expr is the asterisk(*) wildcard character.
Value or expression returned if expr is False. Remarks.
You can include the Not logical operator to evaluate the opposite condition(that is, whether expr lies outside the range defined by value1 and value2).
Note 2: An attr_expr is matched To only one successful search Condition!
The single equality sign(=) for example is not used at all, andthe double equality sign(==) is the test for equality, and even then only in expression contexts such as the expr command or the first argument to if.
If the value of expr is between value1 and value2(inclusive), the Between….
Variables and the results of other commands can be substituted inside strings too,such as in this example where we use set and expr to store a calculation result in a variable, and puts to print the result together with some explanatory text.
Expression or list of expressions against which you want to evaluate expr.
If the data type of the field from which expr is derived is a number, the DStDev and DStDevP functions return a Double data type.
Expr is a command line Unix utility which evaluates an expression and outputs the corresponding value.
If the data type of the field from which expr is derived is a number, the DAvg function returns a Double data type.
If expr is found in the list of values, the In operator returns True; otherwise, it returns False.
Tip If the data type of the field from which expr is derived is a number, the DStDev and DStDevP functions return a Double data type.
If expr identifies multiple fields, the Count function counts a record only if at least one of the fields is not Null.
Variables and the results of other commands can be substituted inside strings too,such as in this example where we use set and expr(no assignment operator=) to store a calculation result in a variable, and puts(short for"put string") to print the result together with some explanatory text.
Although expr can perform a calculation on a field, Count simply tallies the number of records.
Derived forms: do, let, let*, letrec, cond, case, and, or, begin, named let, delay, unquote, unquote-splicing, quasiquote Example: a macro to implement let as anexpression using lambda to perform the variable bindings. define-syntax let syntax-rules()(let((var expr)…) body…)(lambda(var…) body…) expr.
If the value of expr is between value1 and value2(inclusive), the Between… And operator returns True;
If the data type of the field from which expr is derived is a number, the DStDev and DStDevP functions return a Double data type.
If expr includes a function, it can be either built-in or user-defined, but not another domain aggregate or SQL aggregate function. domain Required.