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Microsoft Access is designed to scale to support more data and users by linking to multiple Access databases or using a back-end database like Microsoft SQL Server. With the latter design, the amount of data and users can scale to enterprise-level solutions. Microsoft Access's role in web development prior to version 2010 is limited.
SQL includes operators and functions for calculating values on stored values. SQL allows the use of expressions in the select list to project data, as in the following example, which returns a list of books that cost more than 100.00 with an additional sales_tax column containing a sales tax figure calculated at 6% of the price.
A function is a subprogram written to perform certain computations. A scalar function returns only one value (or NULL), whereas a table function returns a (relational) table comprising zero or more rows, each row with one or more columns. Functions must return a value (using the RETURN keyword), but for stored procedures this is not mandatory.
The called function writes the return value to this address. Stack aligned on 16-byte boundary due to a bug. cdecl: Microsoft: RTL (C) Caller: When returning struct/class, Plain old data (POD) return values 32 bits or smaller are in the EAX register; POD return values 33–64 bits in size are returned via the EAX:EDX registers.
In C and C++, return exp; (where exp is an expression) is a statement that tells a function to return execution of the program to the calling function, and report the value of exp. If a function has the return type void, the return statement can be used without a value, in which case the program just breaks out of the current function and ...
Microsoft Access 2000 4.0 SP1 Microsoft Access 2002 [4] Microsoft Access 2003 [5] Microsoft Access 2007 ACE 12 Microsoft Access 2010 ACE 14 Microsoft Access 2013 ACE 15 Microsoft Access 2016 ACE 16 Visual Basic 3.0 1.1 Visual Basic Compatibility Layer 2.0 Visual Basic 4.0 16-bit 2.5 Visual Basic 4.0 32-bit 3.0 Visual Basic 5.0 3.5 Visual C++ 4 ...
The syntax of the IIf function is as follows: IIf(expr, truepart, falsepart) All three parameters are required: e expr is the expression that is to be evaluated. truepart defines what the IIf function returns if the evaluation of expr returns true. falsepart defines what the IIf function returns if the evaluation of expr returns false.
Transact-SQL (T-SQL) is Microsoft's and Sybase's proprietary extension to the SQL (Structured Query Language) used to interact with relational databases.T-SQL expands on the SQL standard to include procedural programming, local variables, various support functions for string processing, date processing, mathematics, etc. and changes to the DELETE and UPDATE statements.