ppt
... Database System Concepts, 5th Ed. ©Silberschatz, Korth and Sudarshan See www.db-book.com for conditions on re-use ...
... Database System Concepts, 5th Ed. ©Silberschatz, Korth and Sudarshan See www.db-book.com for conditions on re-use ...
Installing the Greenplum Command Center Console
... host different from the master host. Note that this setup incurs a performance penalty due to the numerous database connections the console must open over the network. If you have multiple Greenplum Database instances, you can create separate Command Center Console instances for each of them. Each s ...
... host different from the master host. Note that this setup incurs a performance penalty due to the numerous database connections the console must open over the network. If you have multiple Greenplum Database instances, you can create separate Command Center Console instances for each of them. Each s ...
SQL Data Compare 7 - Product Documentation
... email address. They did not specify a WHERE clause, and consequently have updated the entire table. During the day some other rows in the Contacts table have been modified. The database administrator has been asked to restore the data from a backup and apply some but not all of the changes that were ...
... email address. They did not specify a WHERE clause, and consequently have updated the entire table. During the day some other rows in the Contacts table have been modified. The database administrator has been asked to restore the data from a backup and apply some but not all of the changes that were ...
Viscosity-RATBestPractices-v1
... Use case: RAT for Validate HCC and Flash Cache with Query Only Replay ...
... Use case: RAT for Validate HCC and Flash Cache with Query Only Replay ...
Documentum Content Server 7.1 on AIX with DB2
... Docbase service requires two consecutive ports, one for native connection and other for secure connection. Reserve two ports by creating entry in services file (/etc/services) even if Content Server is installed in native mode and not using secure connections. Service name need not be same as docbas ...
... Docbase service requires two consecutive ports, one for native connection and other for secure connection. Reserve two ports by creating entry in services file (/etc/services) even if Content Server is installed in native mode and not using secure connections. Service name need not be same as docbas ...
PPT - Electrical and Computer Engineering Department
... We define additional operations that do not add any power to the relational algebra, but that simplify common queries. ...
... We define additional operations that do not add any power to the relational algebra, but that simplify common queries. ...
Chapter 3 Notes
... 1. r, s must have the same arity (same number of attributes) 2. The attribute domains must be compatible (e.g., 2nd column of r deals with the same type of values as does the 2nd column of s) E.g. to find all customers with either an account or a loan ...
... 1. r, s must have the same arity (same number of attributes) 2. The attribute domains must be compatible (e.g., 2nd column of r deals with the same type of values as does the 2nd column of s) E.g. to find all customers with either an account or a loan ...
Study Guide for Midterm 2, PPT - Department of Computer Science
... It is possible for tuples to have a null value, denoted by null, for ...
... It is possible for tuples to have a null value, denoted by null, for ...
Introduction to Database Management Systems
... Transaction Management A transaction is a collection of operations that performs a single ...
... Transaction Management A transaction is a collection of operations that performs a single ...
Lesson 1: Exploring the Access Environment
... a standard web browser. You share Access apps with other users as SharePoint apps. The data and database objects are stored in SQL Server or a Windows Azure SQL Database, so you can share the data within your organization using on-premises SharePoint 2013, Office 365 Small Business, or Office 365 En ...
... a standard web browser. You share Access apps with other users as SharePoint apps. The data and database objects are stored in SQL Server or a Windows Azure SQL Database, so you can share the data within your organization using on-premises SharePoint 2013, Office 365 Small Business, or Office 365 En ...
SQL Server Replication: Providing High Availability using Database
... transactions. When the database is not synchronized, the mirror server is typically available as a warm standby server (with possible data loss). A database mirroring session runs with either synchronous or asynchronous operation. Under asynchronous operation (also called high-performance mode), tra ...
... transactions. When the database is not synchronized, the mirror server is typically available as a warm standby server (with possible data loss). A database mirroring session runs with either synchronous or asynchronous operation. Under asynchronous operation (also called high-performance mode), tra ...
Chapter 1: Introduction
... SQLJ part 0: ANSI (1998), “Object Language Bindings (SQL/OLB)”, SQL—Part 10 SQLJ part 1: ANSI (1999), "SQL Routines Using the Java" SQLJ part 2: ANSI (2000), "SQL Types Using the Java” Object Language Bindings (SQL/OLB) : ISO (2000), SQL—Part 10 SQL Routines and Types Using the Java (SQL/J ...
... SQLJ part 0: ANSI (1998), “Object Language Bindings (SQL/OLB)”, SQL—Part 10 SQLJ part 1: ANSI (1999), "SQL Routines Using the Java" SQLJ part 2: ANSI (2000), "SQL Types Using the Java” Object Language Bindings (SQL/OLB) : ISO (2000), SQL—Part 10 SQL Routines and Types Using the Java (SQL/J ...
XML Today
... relational data as XML and XML data as relational. The main feature is the XMLType data type. This is a predefined object type that can store an XML document. Like any object type, XMLType can be used as the data type of a column in a table or view. The latter usage is important, as it means that an ...
... relational data as XML and XML data as relational. The main feature is the XMLType data type. This is a predefined object type that can store an XML document. Like any object type, XMLType can be used as the data type of a column in a table or view. The latter usage is important, as it means that an ...
Dynamic Query Forms for Database Queries
... Recently proposed automatic approaches to generate the database query forms without user participation presented a data-driven method. It first finds a set of data attributes, which are most likely queried based on the database schema and data instances. Then, the query forms are generated based on ...
... Recently proposed automatic approaches to generate the database query forms without user participation presented a data-driven method. It first finds a set of data attributes, which are most likely queried based on the database schema and data instances. Then, the query forms are generated based on ...
SQL Server 2008 Compared to Oracle Database 11g
... recommend filtered indexes for database tables. Filtered indexes provide support for heterogeneous table data in applications such as content management systems (Microsoft Office SharePoint® Server, for example) that have multiple properties for each data type such as a retail product catalog that ...
... recommend filtered indexes for database tables. Filtered indexes provide support for heterogeneous table data in applications such as content management systems (Microsoft Office SharePoint® Server, for example) that have multiple properties for each data type such as a retail product catalog that ...
Cost Based Optimizer (CBO) and Database Statistics
... Exclude dataload tables from your regular stats gathering, unless you know they will be full at the time that stats are gathered. I've found gathering stats for the SYS schema can make the system run slower, not faster. Gathering statistics can be very resource intensive for the server so avoid peak ...
... Exclude dataload tables from your regular stats gathering, unless you know they will be full at the time that stats are gathered. I've found gathering stats for the SYS schema can make the system run slower, not faster. Gathering statistics can be very resource intensive for the server so avoid peak ...
Formal Relational Query Languages
... We define additional operations that do not add any power to the relational algebra, but that simplify common queries. ...
... We define additional operations that do not add any power to the relational algebra, but that simplify common queries. ...
Automatic Database Configuration for DB2
... benchmark simulates a population of terminal operators executing transactions against a relational database. The benchmark models the transaction environment of an order-entry environment. Two operational workloads tested on-site at two of the world’s leading global investment banks. ...
... benchmark simulates a population of terminal operators executing transactions against a relational database. The benchmark models the transaction environment of an order-entry environment. Two operational workloads tested on-site at two of the world’s leading global investment banks. ...
PostgreSQL for Oracle DBA
... PostgreSQL is not an Oracle database Oracle and PostgreSQL are both superb databases, their relation is not like Red Hat and CentOS Do not expect equivalents for all of the Oracle RDBMS features in PostgreSQL Don't hesitate to be impressed by PostgreSQL broad range of data types PostgreSQL has exten ...
... PostgreSQL is not an Oracle database Oracle and PostgreSQL are both superb databases, their relation is not like Red Hat and CentOS Do not expect equivalents for all of the Oracle RDBMS features in PostgreSQL Don't hesitate to be impressed by PostgreSQL broad range of data types PostgreSQL has exten ...
ppt
... If only left-deep trees are considered, time complexity of finding best join order is O(n 2n) ...
... If only left-deep trees are considered, time complexity of finding best join order is O(n 2n) ...
Performance Guidance for SQL Server in
... optimize the performance of Microsoft SQL Server workloads running in an Azure Virtual Machine environment. The article first describes the key concepts in Azure that have a direct impact on the performance of SQL Server workloads. It then introduces the key factors to take into account when evaluat ...
... optimize the performance of Microsoft SQL Server workloads running in an Azure Virtual Machine environment. The article first describes the key concepts in Azure that have a direct impact on the performance of SQL Server workloads. It then introduces the key factors to take into account when evaluat ...
What is Marklogic?
... 5. ACID Transactions – ACID stands for atomicity, consistency, isolation and durability. Marklogic gets ACID transactions using MVCC (multi-version concurrency control). In an MVCC systems, changes are tracked with a timestamp number on each document. The database uses these timestamps to ensure tha ...
... 5. ACID Transactions – ACID stands for atomicity, consistency, isolation and durability. Marklogic gets ACID transactions using MVCC (multi-version concurrency control). In an MVCC systems, changes are tracked with a timestamp number on each document. The database uses these timestamps to ensure tha ...
Chapter 3
... or more DBWR threads (DBWO, DBW1, DBW2, and so on). The Log Writer (LGWR) The log writer (LGWR) background thread records information about the changes made by all transactions that commit. Oracle performs transaction logging as follows: 1. As you carry out a transaction, Oracle creates small record ...
... or more DBWR threads (DBWO, DBW1, DBW2, and so on). The Log Writer (LGWR) The log writer (LGWR) background thread records information about the changes made by all transactions that commit. Oracle performs transaction logging as follows: 1. As you carry out a transaction, Oracle creates small record ...
Strategies for Migrating Oracle Databases to AWS
... management. This easy-to-use, Java-based tool is available for Microsoft Windows, Linux, or Mac OS X. With this method, data transfer from a source database to a destination database is done directly, without any intermediary steps. Because SQL Developer can handle a large number of objects, it can ...
... management. This easy-to-use, Java-based tool is available for Microsoft Windows, Linux, or Mac OS X. With this method, data transfer from a source database to a destination database is done directly, without any intermediary steps. Because SQL Developer can handle a large number of objects, it can ...