Entity Sets
... Although it is possible to replace any nonbinary (n-ary, for n > 2) relationship set by a number of distinct binary relationship sets, a n-ary relationship set shows more clearly that several entities participate in a single relationship. Placement of relationship attributes ...
... Although it is possible to replace any nonbinary (n-ary, for n > 2) relationship set by a number of distinct binary relationship sets, a n-ary relationship set shows more clearly that several entities participate in a single relationship. Placement of relationship attributes ...
SQLDA - Binus Repository
... Must be 1:1 correspondence between expressions in SELECT list and host variables in INTO clause. If successful, SQLCODE set to 0; if there are no rows that satisfies WHERE, SQLCODE set to NOT FOUND. ...
... Must be 1:1 correspondence between expressions in SELECT list and host variables in INTO clause. If successful, SQLCODE set to 0; if there are no rows that satisfies WHERE, SQLCODE set to NOT FOUND. ...
651ORA - University of Baltimore Home Page web services
... The Oracle system will place the asterisk at the approximate point of the error. In this case you have omitted the column names from the SELECT clause. Let's assume that you intended to type select snum from ship;. You can correct the error with the CHANGE command. CHANGE may be abbreviated as the l ...
... The Oracle system will place the asterisk at the approximate point of the error. In this case you have omitted the column names from the SELECT clause. Let's assume that you intended to type select snum from ship;. You can correct the error with the CHANGE command. CHANGE may be abbreviated as the l ...
1. Introduction to SQL Tuning
... Ø Memory Processes - You must understand the purpose of the shared pool and database buffer cache. Ø Database Objects - It is not possible to tune an SQL statement without understanding indexes! Data storage in tables or clusters can also have an effect. Ø Access Paths - The Oracle optimizer can cho ...
... Ø Memory Processes - You must understand the purpose of the shared pool and database buffer cache. Ø Database Objects - It is not possible to tune an SQL statement without understanding indexes! Data storage in tables or clusters can also have an effect. Ø Access Paths - The Oracle optimizer can cho ...
The Big Bang - NorCal OAUG
... Process took 8 months from initial planning to Go Live Four full CRP runs to test the master task list Several mini-CRP runs to test which upgrade/migration ...
... Process took 8 months from initial planning to Go Live Four full CRP runs to test the master task list Several mini-CRP runs to test which upgrade/migration ...
A SQL:1999 Code Generator for the Pathfinder XQuery
... Figure 1: Elapsed times for the 20 XMark queries ran against a 115 MB XML instance (≈ 5,000,000 nodes) hosted by DB2 9. The SQL code generator has been configured to apply different materialization strategies. Standard B-tree index structures suffice to accelerate the operations over this schema-obl ...
... Figure 1: Elapsed times for the 20 XMark queries ran against a 115 MB XML instance (≈ 5,000,000 nodes) hosted by DB2 9. The SQL code generator has been configured to apply different materialization strategies. Standard B-tree index structures suffice to accelerate the operations over this schema-obl ...
Improve query performance with the new SQL Server 2016
... Configure FORCED PARAMETERIZATION for the database, if there are a small number of different query plans in your workload. (When the ratio between the count of distinct query_hash and the total number of entries in sys.query_store_query is much less than 1.) ...
... Configure FORCED PARAMETERIZATION for the database, if there are a small number of different query plans in your workload. (When the ratio between the count of distinct query_hash and the total number of entries in sys.query_store_query is much less than 1.) ...
Effective Use of SQL in SAS Programming
... associated to each other by primary keys and foreign keys. Primary keys are used to identify each row in a table uniquely and foreign keys are used to maintain the integrity of the database. Many of the SQL primary keys and foreign keys are similar to variables used in the SAS by-merge data step. A ...
... associated to each other by primary keys and foreign keys. Primary keys are used to identify each row in a table uniquely and foreign keys are used to maintain the integrity of the database. Many of the SQL primary keys and foreign keys are similar to variables used in the SAS by-merge data step. A ...
Oracle Data Pump Encrypted Dump File Support
... the master key from the source database can be used, or, if the data is to be recovered into another database, the encryption key can be generated from a password, which removes the requirement to share the master key between databases. Dump file encryption can also be used in conjunction with the d ...
... the master key from the source database can be used, or, if the data is to be recovered into another database, the encryption key can be generated from a password, which removes the requirement to share the master key between databases. Dump file encryption can also be used in conjunction with the d ...
3-Database
... Type 1: JDBC-to-ODBC bridge driver for Microsoft ODBC. Java JDBC includes the bridge driver: sun.jdbc.odbc.JdbcOdbcDriver. Type 2: Native-API driver (written in C or C++ using JNI) Type 3: Pure Java client-to-server driver, use a standard network protocol. The server translates requests to server-sp ...
... Type 1: JDBC-to-ODBC bridge driver for Microsoft ODBC. Java JDBC includes the bridge driver: sun.jdbc.odbc.JdbcOdbcDriver. Type 2: Native-API driver (written in C or C++ using JNI) Type 3: Pure Java client-to-server driver, use a standard network protocol. The server translates requests to server-sp ...
Triggers, Functions and Stored Procedures
... data definition triggers are not associated with a specific table or view; instead, they are considered server objects. Also, data definition triggers do not have the ability to reference the logical inserted and deleted tables. Altering Triggers As with all other programmable objects in SQL Server, ...
... data definition triggers are not associated with a specific table or view; instead, they are considered server objects. Also, data definition triggers do not have the ability to reference the logical inserted and deleted tables. Altering Triggers As with all other programmable objects in SQL Server, ...
Database Magic
... printed word and creation of libraries with their card catalogs, and finally to the development of the computer. Computerized databases are collections of information that are organized by records and fields and can be easily searched to quickly retrieve the desired information by sorting or filteri ...
... printed word and creation of libraries with their card catalogs, and finally to the development of the computer. Computerized databases are collections of information that are organized by records and fields and can be easily searched to quickly retrieve the desired information by sorting or filteri ...
Distributed Database System Homogeneous Distributed
... ! Starting the execution of transactions that originate at the site. ! Distributing subtransactions at appropriate sites for execution. ! Coordinating the termination of each transaction that originates at the site, which may result in the transaction being committed at all sites or aborted at all s ...
... ! Starting the execution of transactions that originate at the site. ! Distributing subtransactions at appropriate sites for execution. ! Coordinating the termination of each transaction that originates at the site, which may result in the transaction being committed at all sites or aborted at all s ...
Distributed Databases
... share no physical component Database systems that run on each site are independent of each ...
... share no physical component Database systems that run on each site are independent of each ...
Chapter 19: Distributed Databases
... share no physical component Database systems that run on each site are independent of each ...
... share no physical component Database systems that run on each site are independent of each ...
pdf-2
... share no physical component ! Database systems that run on each site are independent of each ...
... share no physical component ! Database systems that run on each site are independent of each ...
File Magic Product Overview - Triangle Solutions Technology
... Script, thereby specifying all the settings to use in addition to document break information. File Magic supports a wide variety of ISIS-compliant scanners. File Magic also works with most standard fax software. Any fax software that creates a supported black and white image file can be used for the ...
... Script, thereby specifying all the settings to use in addition to document break information. File Magic supports a wide variety of ISIS-compliant scanners. File Magic also works with most standard fax software. Any fax software that creates a supported black and white image file can be used for the ...
PHP Chapter 7
... Introduction to Databases • A database is an ordered collection of information from which a computer program can quickly access information • Each row in a database table is called a record • A record in a database is a single complete set of related information • Each column in a database table is ...
... Introduction to Databases • A database is an ordered collection of information from which a computer program can quickly access information • Each row in a database table is called a record • A record in a database is a single complete set of related information • Each column in a database table is ...
Database Management Systems
... using Microsoft ACCESS, EXCEL, etc. The data base is collections of data are group together to make large information. The database system is collection of programs that enables the users to create and manipulate a dbase. For example, to creates a new account in a bank and creates a new account in y ...
... using Microsoft ACCESS, EXCEL, etc. The data base is collections of data are group together to make large information. The database system is collection of programs that enables the users to create and manipulate a dbase. For example, to creates a new account in a bank and creates a new account in y ...
Microsoft System
... “Bare Metal Recovery” of every VM Single DPM license on host, all guests protected Protect non-Windows servers One DPML “agent” on Host ...
... “Bare Metal Recovery” of every VM Single DPM license on host, all guests protected Protect non-Windows servers One DPML “agent” on Host ...
Microsoft SQL Server I/O Internals
... How It Works: SQL Server 2005 Database Snapshots (Replica) http://blogs.msdn.com/psssql/archive/2008/02/07/how-it-works-sql-server-2005-database-snapshots-replica.aspx How It Works: File Stream the Before and After Image of a File http://blogs.msdn.com/psssql/archive/2008/01/15/how-it-works-file-str ...
... How It Works: SQL Server 2005 Database Snapshots (Replica) http://blogs.msdn.com/psssql/archive/2008/02/07/how-it-works-sql-server-2005-database-snapshots-replica.aspx How It Works: File Stream the Before and After Image of a File http://blogs.msdn.com/psssql/archive/2008/01/15/how-it-works-file-str ...
Estimation of Query Execution Time in Milli Seconds, Micro Seconds
... SQL) to access the data stored in a database. Most of the relational database application programs are written in high-level languages integrating a relational language. The important concept considered in SQL are (entities, relationships, attributes) and the data schema while using SQL. The user ha ...
... SQL) to access the data stored in a database. Most of the relational database application programs are written in high-level languages integrating a relational language. The important concept considered in SQL are (entities, relationships, attributes) and the data schema while using SQL. The user ha ...
CA Database Management for DB2 for z/OS
... Downtime or delayed processing due to performance bottlenecks can cause more than a loss of productivity—it can mean losing customers. In today’s business environment, organizations must ensure optimal performance for their databases and applications. Every minute that database maintenance interfere ...
... Downtime or delayed processing due to performance bottlenecks can cause more than a loss of productivity—it can mean losing customers. In today’s business environment, organizations must ensure optimal performance for their databases and applications. Every minute that database maintenance interfere ...