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The size of a lock is referred to as the lock granularity.
MySQL is an open source DBMS that only runs on Unix and Linux operating systems.
If the table ITEM has a column WEIGHT, and WEIGHT has the data type Numeric
(4,2), the value 4321 will be displayed by the DBMS as 43.21.
The installation of the MySQL Community Edition 5.6 always includes the installation
of the MySQL Workbench.
An exclusive lock locks the item from change but not from read access.
In OLE DB, a RecordSet is a more abstract representation of a rowset.
With optimistic locking, the assumption is made that no conflict will occur.
The SQL Server GUI program is the Enterprise Manager.
In Oracle Database security, a Role can have many system privileges.
In unsupervised data mining, explanations are created after patterns are found.
One important reason for documenting changes to the database structure is for
diagnosing errors.
An ID-dependent entity is an entity whose identifier includes the identifier of another
entity.
The key of an attribute is a description of an attribute's possible values.
A binary relationship is a relationship based on numerical entity instance identifiers.
Database redesign is rarely needed because databases are usually built correctly the first
time.
MySQL Community Edition uses only operating system authentication.
An entity is something that users want to track.
It is easy to enforce the referential integrity actions for M-M relationships.
Whether a developer uses an E-R model or a semantic object model, the eventual
database design that is created should be exactly the same.
A surrogate key should be considered when the key contains a lengthy text field.
To create a new MySQL Workbench EER model, you can use the File | New Model
command.
A database system is typically defined as its four components: users, database
applications, the DBMS and the databases.
In many-to-many relationships in a relational database design,the primary keys of both
tables are joined into a composite primary key in the intersection table.
MySQL supports BEFORE triggers.
The Oracle Database GUI is the Oracle SQL Browser.
The DBA has to find a balance between the conflicting goals of maximizing availability
of the database to users and protecting the database.
A simple network is a collection of records and the 1:N relationships between them.
Even if an organization has a very large database, it will be possible to make a complete
backup copy of the operational database prior to making structural changes.
