Spatial data types store the spatial attributes that allow you to visualize data on a map. Many databases automatically include spatial data types. Others require some configuration or an installation to use a
Database technology has evolved over the years. Currently, in the industry, various types of databases are employed according to the needs of different organizations. Let us simplify the classification of databases for you so that you can learn everything there is to know about the various types...
The hierarchical database has the disadvantage that in this type of database structure each node can only have one parent, and children can't have relationships or linkages between them, even if they make sense from a logical standpoint. In order to add record or data in the database, the...
The term “relational” does not refer to relationships between tables and entities, but rather the theoretical concept of a set of tuples that are a member of a data domain, each containing attributes. Actual relationships are not part of the relational model (or any other model except Graph...
TableTypes { [Android.Runtime.Register("getTableTypes", "()Ljava/sql/ResultSet;", "GetGetTableTypesHandler:Java.Sql.IDatabaseMetaDataInvoker, Mono.Android, Version=0.0.0.0, Culture=neutral, PublicKeyToken=null")] get; } Property Value IResultSet Attributes RegisterAttribute Exceptions ...
Referential integrity means the value that is in the one relation must also appear in a certain set of attributes in another relation. Modifications in the database could turn out to violate the referential integrity and such actions are rejected by the normal procedure. ...
Parameters in stored procedures. Variables. Transact-SQL functions that return one or more data values of a specific data type. Stored procedures that have a return code, which always has an integer data type. Assigning a data type to an object defines four attributes of the object: The kind...
Some system attributes have additional options, but all custom attributes have only Active and Inactive status options. You can also include custom state transitions to control which status options are available for certain entities. More information: Define status reason transitions Status Reason A ...
Each keyspace holds an entire NoSQL data store and has a similar role or importance that a schema has for a relational database. But NoSQL data stores have no set structure, so keyspaces represent a schemaless database containing the design of a data store and its own set of attrib...
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