Projekta Nr.ISO 13584-20:1998
Nosaukums<p>This part of ISO 13584 specifies:</p> <p>— an EXPRESS schema for generic expressions;</p> <p>— an EXPRESS schema for expressions, that models the subset of the allowed expressions in the EXPRESS language defined in ISO 10303-11 that corresponds to integer, real, Boolean and string data types. This schema uses the resources defined in the generic expression schema.</p> <p>The following are within the scope of this part of ISO 13584: </p> <p>— the exchange of expressions that involve both constants and variables;</p> <p>— the function that checks whether or not a numeric expression should evaluate to an integer value;</p> <p>— the constraints which ensure that an expression is semantically correct;</p> <p>— the computation of the variables or functions used in an expression;</p> <p>— the function that checks if an expression may be mapped on to the SQL query language. The following are outside the scope of this part of ISO 13584: </p> <p>— the assignment of values to variables within some context; </p> <p>— the triggering mechanism that computes the value of an expression in a given context.</p>
Reģistrācijas numurs (WIID)22328
Darbības sfēra<p>This part of ISO 13584 specifies:</p> <p>— an EXPRESS schema for generic expressions;</p> <p>— an EXPRESS schema for expressions, that models the subset of the allowed expressions in the EXPRESS language defined in ISO 10303-11 that corresponds to integer, real, Boolean and string data types. This schema uses the resources defined in the generic expression schema.</p> <p>The following are within the scope of this part of ISO 13584: </p> <p>— the exchange of expressions that involve both constants and variables;</p> <p>— the function that checks whether or not a numeric expression should evaluate to an integer value;</p> <p>— the constraints which ensure that an expression is semantically correct;</p> <p>— the computation of the variables or functions used in an expression;</p> <p>— the function that checks if an expression may be mapped on to the SQL query language. The following are outside the scope of this part of ISO 13584: </p> <p>— the assignment of values to variables within some context; </p> <p>— the triggering mechanism that computes the value of an expression in a given context.</p>
StatussStandarts spēkā
ICS grupa25.040.40