You can set SQL Server to display information regarding the amount of disk activity generated by T-SQL statements. This option displays the number of scans, the number of logical reads
This T-SQL command can be used to display the number of milliseconds required to parse, compile, and execute each statement. When SET STATISTICS TIME is ON, the time statistics for
You can create an aggregate column in a SQL 7.0 table by specifying it during creating the table itself. This is useful if you want that aggregate column to be
In DAO recordset, there is no separate refresh command to refresh the current recordset. However, you can call Move member function to position the recordset lRows records from the current
In standard C++, declaring arrays with zero elements is illegal: int n[0]; //illegal However, certain compilers do support arrays of zero size as non-standard extension. In contrast, dynamic allocation of
While the overhead of returning an ordinary object by value may be acceptable in most cases, returning a container by value is much more expensive in terms of performance. For
The time functions of standard C/C++ are limited to the resolution of a second. In general, you can access smaller time units
The representation of floating point numbers is just an approximation. Truncation and rounding occur frequently because the hardware cannot offer infinite precision when using a fixed number of bits. For
MS Visual C++, as well as several other compilers, now offer non-standard keywords that control the inline expansion of a function, in addition to the standard inline keyword. What are