
Extensible Markup Language Databases: A Study
... modify or retrieve content from XML files. The XMLDB API here is similar to the JDBC or ODBC drivers used for connecting to relational databases. The document-centric non-structured data cannot be queried or utilized using any of the relational databases that exist today7. This problem has to be add ...
... modify or retrieve content from XML files. The XMLDB API here is similar to the JDBC or ODBC drivers used for connecting to relational databases. The document-centric non-structured data cannot be queried or utilized using any of the relational databases that exist today7. This problem has to be add ...
databases in healthcare
... Of primary concern to a database effort is the reliable operation of the devices used to store the data over long periods of time. The programming systems which provide such services, typically inclusive of the tools listed in a) and b) above, are called file management systems (FMS). When data are ...
... Of primary concern to a database effort is the reliable operation of the devices used to store the data over long periods of time. The programming systems which provide such services, typically inclusive of the tools listed in a) and b) above, are called file management systems (FMS). When data are ...
NoCOUG Gets Two Awards!
... for everyone. The earlier in the process that a bug or mistake is discovered, the easier it is to fix. And the best design flaw of all is the one that never happened. Think about how you can prevent problems from occurring in the first place. For example, DBAs shouldn’t wait for a tablespace to fill ...
... for everyone. The earlier in the process that a bug or mistake is discovered, the easier it is to fix. And the best design flaw of all is the one that never happened. Think about how you can prevent problems from occurring in the first place. For example, DBAs shouldn’t wait for a tablespace to fill ...
ppt
... because even sequential database systems support concurrent processing Single-processor version of DBMS can be used without drastic changes More complicated to implement on shared-disk or shared-nothing architectures ...
... because even sequential database systems support concurrent processing Single-processor version of DBMS can be used without drastic changes More complicated to implement on shared-disk or shared-nothing architectures ...
Procedures & Functions & Triggers
... to procedures. The significant difference is that a function is a PL/SQL block that returns a single value. Functions can accept one, many, or no parameters, but a function must have a return clause in the executable section of the function. The datatype of the return value must be declared in the h ...
... to procedures. The significant difference is that a function is a PL/SQL block that returns a single value. Functions can accept one, many, or no parameters, but a function must have a return clause in the executable section of the function. The datatype of the return value must be declared in the h ...
Storage/Database Engine
... SCHEMA ... CHARACTER SET ... syntax. Because of this, it is possible to create databases with different character sets and collations on the same MySQL server. The database character set and collation are used as default values if the table character set and collation are not specified in CREATE TAB ...
... SCHEMA ... CHARACTER SET ... syntax. Because of this, it is possible to create databases with different character sets and collations on the same MySQL server. The database character set and collation are used as default values if the table character set and collation are not specified in CREATE TAB ...
Software Requirements Specification
... Table 1 below lists the definitions used in this document with respect to the CDMS. The definitions given below are specific to this document and may not be identical to definitions of these terms in common use. The purpose of this section is to assist the user in understanding the requirements for ...
... Table 1 below lists the definitions used in this document with respect to the CDMS. The definitions given below are specific to this document and may not be identical to definitions of these terms in common use. The purpose of this section is to assist the user in understanding the requirements for ...
Information and Communication Technology
... Now, close all the browsers, Open “example7.asp” again. What do you see? ...
... Now, close all the browsers, Open “example7.asp” again. What do you see? ...
A Direct Approach to Physical Data Vault Design
... proposed rules are built into the design strategy that is run in accordance with the requirements and data extraction based on the transactional database schema. The framework consists of: rules, guidelines for the design based on non-functional requirements, the mapping scheme of the original datab ...
... proposed rules are built into the design strategy that is run in accordance with the requirements and data extraction based on the transactional database schema. The framework consists of: rules, guidelines for the design based on non-functional requirements, the mapping scheme of the original datab ...
Understanding and Selecting a Database Activity
... connections. Current agents hook into the platform kernel to audit activity without modification to the DBMS and with minimal performance impact, or leverage shared memory monitoring. Leading agents typically impact performance by no more than 3-5%, which seems to be the arbitrary limit database adm ...
... connections. Current agents hook into the platform kernel to audit activity without modification to the DBMS and with minimal performance impact, or leverage shared memory monitoring. Leading agents typically impact performance by no more than 3-5%, which seems to be the arbitrary limit database adm ...
SAP – SQL Server Development
... Separation of log files and data files Data access patterns are completely different Data and log should reside on physically separate disks This is also true for storage systems with hypervolumes and other complex methods of mapping Windows drives to physical spindles ...
... Separation of log files and data files Data access patterns are completely different Data and log should reside on physically separate disks This is also true for storage systems with hypervolumes and other complex methods of mapping Windows drives to physical spindles ...
SQL Azure Database
... • Higher availability – app still runs if server is unreachable • Reduced network utilization – most data access is local ...
... • Higher availability – app still runs if server is unreachable • Reduced network utilization – most data access is local ...
SUGI 28: SAS/ACCESS(r) to External Databases: Wisdom for the
... processed by the SQL procedure as if the DBMS tables were individual SAS files. For view descriptors, the SQL procedure fetched all the rows from each DBMS table and then performed the join processing within SAS. ...
... processed by the SQL procedure as if the DBMS tables were individual SAS files. For view descriptors, the SQL procedure fetched all the rows from each DBMS table and then performed the join processing within SAS. ...
PDF
... CA-IDMS refers to the complete line of systems software products in the IDMS product family. This document covers Release 12.0 features for these CA-IDMS products: ■ CA-IDMS/DB ■ CA-IDMS/DC ■ CA-IDMS/UCF ■ CA-IDMS Performance Monitor ■ CA-ADS and the Mapping Facility ■ CA-Culprit ■ CA-OLQ ■ CA-IC ...
... CA-IDMS refers to the complete line of systems software products in the IDMS product family. This document covers Release 12.0 features for these CA-IDMS products: ■ CA-IDMS/DB ■ CA-IDMS/DC ■ CA-IDMS/UCF ■ CA-IDMS Performance Monitor ■ CA-ADS and the Mapping Facility ■ CA-Culprit ■ CA-OLQ ■ CA-IC ...
Database Security and Auditing
... – Use any user other than SYS or SYSTEM to create a table – Add three rows into the table – Log on as SYSTEM or SYS to enable auditing: For ALTER and DELETE – Log in as DBSEC: • Delete a row • Modify the structure of the table Database Security and Auditing ...
... – Use any user other than SYS or SYSTEM to create a table – Add three rows into the table – Log on as SYSTEM or SYS to enable auditing: For ALTER and DELETE – Log in as DBSEC: • Delete a row • Modify the structure of the table Database Security and Auditing ...
Database Security and Auditing
... – Use any user other than SYS or SYSTEM to create a table – Add three rows into the table – Log on as SYSTEM or SYS to enable auditing: For ALTER and DELETE – Log in as DBSEC: • Delete a row • Modify the structure of the table Database Security and Auditing ...
... – Use any user other than SYS or SYSTEM to create a table – Add three rows into the table – Log on as SYSTEM or SYS to enable auditing: For ALTER and DELETE – Log in as DBSEC: • Delete a row • Modify the structure of the table Database Security and Auditing ...
Search Engine and Metasearch Engine
... of documents from the actual collection takes place. In the Internet environment where data are highly heterogeneous, it is unclear whether such a training collection can in fact be constructed. Even if such a collection can be constructed, the storage penalty could be very high in order to accommod ...
... of documents from the actual collection takes place. In the Internet environment where data are highly heterogeneous, it is unclear whether such a training collection can in fact be constructed. Even if such a collection can be constructed, the storage penalty could be very high in order to accommod ...
2. First Normal Form
... entities in the design, the idea is to equate an entity with a primary key field • Then group the attributes with the entities that they describe. • Relationships between tables are captured by embedding the primary keys of one or more tables as foreign keys in other tables. ...
... entities in the design, the idea is to equate an entity with a primary key field • Then group the attributes with the entities that they describe. • Relationships between tables are captured by embedding the primary keys of one or more tables as foreign keys in other tables. ...
Chapter 14: Query Optimization
... 2. Move selection operations down the query tree for the earliest possible execution (Equiv. rules 2, 7a, 7b, 11). 3. Execute first those selection and join operations that will produce the smallest relations (Equiv. rule 6). 4. Replace Cartesian product operations that are followed by a selection c ...
... 2. Move selection operations down the query tree for the earliest possible execution (Equiv. rules 2, 7a, 7b, 11). 3. Execute first those selection and join operations that will produce the smallest relations (Equiv. rule 6). 4. Replace Cartesian product operations that are followed by a selection c ...
The Entity-Relationship Model
... Insertion anomalies - Insertion of some piece of information cannot be performed unless other irrelevant information is added to it. Update anomalies - Update of a single piece of information requires updates to multiple tuples. Deletion anomalies - Deletion of a piece of information removes o ...
... Insertion anomalies - Insertion of some piece of information cannot be performed unless other irrelevant information is added to it. Update anomalies - Update of a single piece of information requires updates to multiple tuples. Deletion anomalies - Deletion of a piece of information removes o ...
Avoiding Common Traps When Accessing RDBMS Data
... regardless of the specific database involved, although nearly all relational databases also support specific extensions to the SQL standard, so that a command that works, say, in Oracle may not be understood by SQL Server. Databases also provide security for the data that they contain. You will almo ...
... regardless of the specific database involved, although nearly all relational databases also support specific extensions to the SQL standard, so that a command that works, say, in Oracle may not be understood by SQL Server. Databases also provide security for the data that they contain. You will almo ...