Table-level locks allow the user to lock the entire table, page-level locks allow locking of certain portions of the tables (those portions are referred to as t...
Hierarchies
Hierarchies are logical structures that use ordered levels as a means of organizing data. A hierarchy can be used to define data aggregation. For e...
Locking is a process that is used to ensure data integrity. It also prevents concurrent users from accessing inconsistent
data. The data (row) is locked until...
Locking is a process that is used to ensure data integrity. It also prevents concurrent users from accessing inconsistent
data. The data (row) is locked until...
RAID stands for Redundant Array of Inexpensive Disks, used to provide fault tolerance to database servers. There are six RAID levels 0 through 5 offering differ...
CURSORS::
The cursor types are listed from least to most resource intensive.
Forward Only - Fastest, can only move forward in recordset
Static - Can move to...
Multi-user testing geared towards determining the effects of accessing the same application code, module or database records. Identifies and measures the level...
The tracing dumps can be quite verbose. For applications that are constantly running you run the risk of overloading the machine and the hard drive. Five le...
The tracing dumps can be quite verbose and for some applications that are constantly running you run the risk of overloading the machine and the hard drive ther...
The tracing dumps can be quite verbose. For applications that are constantly running you run the risk of overloading the machine and the hard drive. Five le...