Upgrading SQL Server 2000
... the Meta Data Services Information Models required by DTS are not updated as part of this process. You must perform a manual update of the information to save and retrieve DTS package versions to and from Meta Data Services. This update modifies the Meta Data Services table structure to support the ...
... the Meta Data Services Information Models required by DTS are not updated as part of this process. You must perform a manual update of the information to save and retrieve DTS package versions to and from Meta Data Services. This update modifies the Meta Data Services table structure to support the ...
Logging_or_Nologging.ppt - OracleNZ by Francisco Munoz Alvarez
... • NOLOGGING is designed to handle bulk inserts of data which can be easily reproduced. (Remember that the UPDATE and DELETE operations will always be logged.) • Regardless of LOGGING status, writing to the UNDO blocks will always cause generation of redo. • LOGGING should not be disabled on a primar ...
... • NOLOGGING is designed to handle bulk inserts of data which can be easily reproduced. (Remember that the UPDATE and DELETE operations will always be logged.) • Regardless of LOGGING status, writing to the UNDO blocks will always cause generation of redo. • LOGGING should not be disabled on a primar ...
The Relational Data Model: Structure
... The superkey can range from a single attribute, if no two tuples will ever have the same value for that attribute, to the entire tuple. As long as the set of attributes will distinguish tuples from each other, then it is a superkey. – Thus, if K is a superkey, then any superset of K up to the entire ...
... The superkey can range from a single attribute, if no two tuples will ever have the same value for that attribute, to the entire tuple. As long as the set of attributes will distinguish tuples from each other, then it is a superkey. – Thus, if K is a superkey, then any superset of K up to the entire ...
PETLinQ and Oracle: A High-Performance RIS and
... performance of RISLinQ-iPHONE. Oracle Berkeley DB is an industry-leading open source, embeddable, key-value database that provides fast, reliable, local persistence with zero administration. Often deployed as an “edge” database, Oracle Berkeley DB provides very high performance, reliability, scalabi ...
... performance of RISLinQ-iPHONE. Oracle Berkeley DB is an industry-leading open source, embeddable, key-value database that provides fast, reliable, local persistence with zero administration. Often deployed as an “edge” database, Oracle Berkeley DB provides very high performance, reliability, scalabi ...
Agenda
... 1. Verify if primary can be switched over to standby SQL> select switchover_status from v$database; If value returns “TO_STANDBY”, its alright to switch the primary to standby role. 2. Convert primary to standby SQL> alter database commit to switchover to physical standby; If value is “SESSIONS ACTI ...
... 1. Verify if primary can be switched over to standby SQL> select switchover_status from v$database; If value returns “TO_STANDBY”, its alright to switch the primary to standby role. 2. Convert primary to standby SQL> alter database commit to switchover to physical standby; If value is “SESSIONS ACTI ...
Multi-Dimensional OLAP
... Key developments include: – Online analytical processing (OLAP) – SQL extensions for complex data analysis – Data mining tools. ...
... Key developments include: – Online analytical processing (OLAP) – SQL extensions for complex data analysis – Data mining tools. ...
Recursive XML Schemas, Recursive XML Queries, and Relational
... • High complexity of SQL query even for relatively easy XML queries • Although running time may be small, memory requirements may be high due to many temporary relations ...
... • High complexity of SQL query even for relatively easy XML queries • Although running time may be small, memory requirements may be high due to many temporary relations ...
branch-name
... average account balance is greater than $1200. select branch-name, avg-balance from (select branch-name, avg (balance) from account group by branch-name) as result (branch-name, avg-balance) where avg-balance > 1200 Note that we do not need to use the having clause, since we compute the temporary (v ...
... average account balance is greater than $1200. select branch-name, avg-balance from (select branch-name, avg (balance) from account group by branch-name) as result (branch-name, avg-balance) where avg-balance > 1200 Note that we do not need to use the having clause, since we compute the temporary (v ...
Introduction to Database Systems, Data Modeling and SQL
... • True object-oriented DBMSs are not widely used, but there is ORM (object relational mapping) which provides the bridge. • Data associated with object-oriented applications are typically stored in conventional or extended relational databases. ...
... • True object-oriented DBMSs are not widely used, but there is ORM (object relational mapping) which provides the bridge. • Data associated with object-oriented applications are typically stored in conventional or extended relational databases. ...
Chapter 4: SQL
... Note: predicates in the having clause are applied after the formation of groups whereas predicates in the where clause are applied before forming groups A common syntax ...
... Note: predicates in the having clause are applied after the formation of groups whereas predicates in the where clause are applied before forming groups A common syntax ...
ODBC DSN-less Connections
... compliant database management system (DBMS) as long as a Data Source Name (DSN) is available on your system or network or a DSN-less connection string is available. This includes access to relational databases such as Oracle, DB2, MS SQL Server, MySQL, and MS Access. Since PHP includes DSN-less func ...
... compliant database management system (DBMS) as long as a Data Source Name (DSN) is available on your system or network or a DSN-less connection string is available. This includes access to relational databases such as Oracle, DB2, MS SQL Server, MySQL, and MS Access. Since PHP includes DSN-less func ...
Constraints
... Key Constraints • Primary Key Constraint for a table – Used with relating that table to another • Relational databases relate tables by primary and foreign keys. ...
... Key Constraints • Primary Key Constraint for a table – Used with relating that table to another • Relational databases relate tables by primary and foreign keys. ...
Object-Oriented Integration of Legacy Systems - Maintaining
... will take place next (pre hook) or has just taken place (post hook). Hooks are available on the creation, removal, query and modification of objects in a class, the change of an attribute's value or the change of a relationship or query of related objects. When the Persistence RIG generates the code ...
... will take place next (pre hook) or has just taken place (post hook). Hooks are available on the creation, removal, query and modification of objects in a class, the change of an attribute's value or the change of a relationship or query of related objects. When the Persistence RIG generates the code ...
database
... • A report generator is a software tool that provides the ability to create report templates for a database • A report template contains the outline or general specifications for a report • The template does not, however, contain data from the database • Data is merged into the template when you act ...
... • A report generator is a software tool that provides the ability to create report templates for a database • A report template contains the outline or general specifications for a report • The template does not, however, contain data from the database • Data is merged into the template when you act ...
Sensor Data Storage Performance: SQL or NoSQL, Physical
... its external client-facing API. Although Thrift can be used as-is, it is recommended by the authors to use a higher-level client. In this paper, we use Hector [18] as the Java client library to connect to Cassandra. MongoDB [19] [20] is an open source NoSQL database. It exists since 2007 and provide ...
... its external client-facing API. Although Thrift can be used as-is, it is recommended by the authors to use a higher-level client. In this paper, we use Hector [18] as the Java client library to connect to Cassandra. MongoDB [19] [20] is an open source NoSQL database. It exists since 2007 and provide ...
CS206 --- Electronic Commerce
... An advisor gets a query load, e.g.: 1. Choose random queries from the history of queries run on the database, or 2. Designer provides a sample workload. ...
... An advisor gets a query load, e.g.: 1. Choose random queries from the history of queries run on the database, or 2. Designer provides a sample workload. ...
