XA-enabled databases supply a structure called the xa switch (xa_switch_t), through which an xa transaction manager accesses the various xa functions supported by that database.
In Figure 7, we've added a field in addition to the time frame a user accesses the file to represent in which mode the file access is provided - whether the user is accessing for write or for read.
The PowerPC uses a load/store (also called RISC) instruction set, which means that the only time it accesses main memory is for loading into registers or copying a register to memory.
The largest and most important private libraries are operated by colleges and universities and are used by students, faculty members, and occasionally by visiting scholars.
As is well known, pure video stream only can be played orderly, and can't be random accessed or played in network. File format is designed to solve these problems.
Normalization focuses only on the meaning of the data, without consideration given to the possible performance requirements of the applications accessing the data.