Chapter 3
... or MySQL version 4.1 or higher, the following sections contain specific information about your DBMS ...
... or MySQL version 4.1 or higher, the following sections contain specific information about your DBMS ...
IT 21003 Database Administration
... Shutdown the database Copy the existing (good) control file to a file(s) on another disk(s) using the operating system Specify the new control file name in the CONTROL_FILES parameter in the parameter file Start up the instance and open the database using the changed parameter file ...
... Shutdown the database Copy the existing (good) control file to a file(s) on another disk(s) using the operating system Specify the new control file name in the CONTROL_FILES parameter in the parameter file Start up the instance and open the database using the changed parameter file ...
slides
... Multi-relation access plans • Similar principle, but now many more possibilities to consider. • Common approach: – Consider subsets of the involved relations, and the conditions that apply to each subset. – Estimate the cost of evaluating the σπ×− expression restricted to this subset. – Need to dis ...
... Multi-relation access plans • Similar principle, but now many more possibilities to consider. • Common approach: – Consider subsets of the involved relations, and the conditions that apply to each subset. – Estimate the cost of evaluating the σπ×− expression restricted to this subset. – Need to dis ...
Querying XML Databases
... Native XML Database (NXD) • Native XML databases have an XML-based internal model, i.e., their fundamental unit of storage is XML. • To enable Oxygen XML to use a database, you need to download the database's .jar files and then point Oxygen to them. • For instructions on configuring each database, ...
... Native XML Database (NXD) • Native XML databases have an XML-based internal model, i.e., their fundamental unit of storage is XML. • To enable Oxygen XML to use a database, you need to download the database's .jar files and then point Oxygen to them. • For instructions on configuring each database, ...
Performance Considerations for the Database Engines
... Locking in DB2 conSists of different levels within the structure of the DBMS. A page level lock would include all rows that make up a page of data. The size of the page can be set to 4K or 32K bytes. A lock on a table would include aU pages of data within the table. A lock on the tablespace would in ...
... Locking in DB2 conSists of different levels within the structure of the DBMS. A page level lock would include all rows that make up a page of data. The size of the page can be set to 4K or 32K bytes. A lock on a table would include aU pages of data within the table. A lock on the tablespace would in ...
Oracle Database
... • It is responsible for maintaining a certain number of open connections to the database • When your applications need a connection, they ask for one from the CM’s pool • Why? Because opening and closing connections takes a long time • Warning: the CM should always setAutoCommit(false) when a connec ...
... • It is responsible for maintaining a certain number of open connections to the database • When your applications need a connection, they ask for one from the CM’s pool • Why? Because opening and closing connections takes a long time • Warning: the CM should always setAutoCommit(false) when a connec ...
Document
... • The database uses two types of logging to ensure the durability of update transactions • The rollback log records prior versions of database blocks so the database can be returned to a well-known state ("check pointed") during recovery • The roll-forward log records logical updates that occur agai ...
... • The database uses two types of logging to ensure the durability of update transactions • The rollback log records prior versions of database blocks so the database can be returned to a well-known state ("check pointed") during recovery • The roll-forward log records logical updates that occur agai ...
Oracle Exadata with ZFS NAS Appliance for faster platform
... •Sun ZFS and Sun Fire servers for test/dev environment •RAC environment to be created •Consolidation of all test/dev databases ...
... •Sun ZFS and Sun Fire servers for test/dev environment •RAC environment to be created •Consolidation of all test/dev databases ...
Hippo: a System for Computing Consistent Answers to a
... for querying inconsistent databases. Consistent query answers are defined to be those query answers that are true in every repair of a given database instance. A repair is a consistent database instance obtained by changing the given instance using a minimal set of insertions/deletions. Intuitively, ...
... for querying inconsistent databases. Consistent query answers are defined to be those query answers that are true in every repair of a given database instance. A repair is a consistent database instance obtained by changing the given instance using a minimal set of insertions/deletions. Intuitively, ...
Chapter 3
... Access 2010, or MySQL version 4.1 or higher, the following sections contain specific information about your DBMS ...
... Access 2010, or MySQL version 4.1 or higher, the following sections contain specific information about your DBMS ...
Database Programming with PL/SQL – Course
... Students who possess basic mathematical, logical, and analytical problem-solving skills ...
... Students who possess basic mathematical, logical, and analytical problem-solving skills ...
FAQs in ABAP
... Sorted Internal Tables - Sorted tables are always saved correctly sorted by key. They also have a linear key, and, like standard tables, you can access them using either the table index or the key. When you use the key, the response time is in logarithmic relationship to the number of table entries, ...
... Sorted Internal Tables - Sorted tables are always saved correctly sorted by key. They also have a linear key, and, like standard tables, you can access them using either the table index or the key. When you use the key, the response time is in logarithmic relationship to the number of table entries, ...
Models for Storing Relationships: Relational vs. Graph Databases
... such as the name field, would be a poor choice because two dogs could potentially have the same name. By using a different field that is guaranteed to be unique, such as numeric ...
... such as the name field, would be a poor choice because two dogs could potentially have the same name. By using a different field that is guaranteed to be unique, such as numeric ...
Simplify Your Database and Application Server
... Control the scope and duration of a tuning task • Scope of the task -limited or comprehensive. • With the limited option, the SQL Tuning Advisor produces recommendations based on analysis of statistics, access paths, and SQL structure. • SQL Profile recommendations are not generated. • With comprehe ...
... Control the scope and duration of a tuning task • Scope of the task -limited or comprehensive. • With the limited option, the SQL Tuning Advisor produces recommendations based on analysis of statistics, access paths, and SQL structure. • SQL Profile recommendations are not generated. • With comprehe ...
Fundamentals of Database Systems
... Whenever a person or group of persons need to access a database system, the individual or group must first apply for a user account. The DBA will then create a new account number and password for the user if there is a legitimate need to access the database. The user must log in to the DBMS by enter ...
... Whenever a person or group of persons need to access a database system, the individual or group must first apply for a user account. The DBA will then create a new account number and password for the user if there is a legitimate need to access the database. The user must log in to the DBMS by enter ...
Fundamentals of Relational Database Design
... customer’s name change (e.g., marriages cause names to change)? Will misspelling of names be common? How likely will two customers have the same first and last names? How familiar will CustomerId be to users? There’s no right answer, but most developers favor numeric primary keys because names do so ...
... customer’s name change (e.g., marriages cause names to change)? Will misspelling of names be common? How likely will two customers have the same first and last names? How familiar will CustomerId be to users? There’s no right answer, but most developers favor numeric primary keys because names do so ...
Creating and Deleting Many User Roles for the MDM Hub
... Creating Roles. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 ...
... Creating Roles. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 ...
1334568560_ARAVIND
... Description: This system speeds up on-line order processing, streamline functions such as customer quotations, pricing and order processing, acknowledgement handling and invoicing. It provides effective accounts management, rapid customer order processing and timely customer order delivery, which in ...
... Description: This system speeds up on-line order processing, streamline functions such as customer quotations, pricing and order processing, acknowledgement handling and invoicing. It provides effective accounts management, rapid customer order processing and timely customer order delivery, which in ...
Romancing Your Data: The Getting-to-Know-You Phase
... The users of an Oracle database have access to the tables and views within one or more schemas in the database. Statistical Modelers and Business Analysts are the typical users of the data, and the term ‘analyst’ will be used here broadly for ‘anyone who uses an Oracle database to solve business pro ...
... The users of an Oracle database have access to the tables and views within one or more schemas in the database. Statistical Modelers and Business Analysts are the typical users of the data, and the term ‘analyst’ will be used here broadly for ‘anyone who uses an Oracle database to solve business pro ...
Database System Concepts
... An expression such as “head–>name” is called a path expression Path expressions help avoid explicit joins ...
... An expression such as “head–>name” is called a path expression Path expressions help avoid explicit joins ...
Chapter 21:Application Development and Administration
... An expression such as “head–>name” is called a path expression Path expressions help avoid explicit joins ...
... An expression such as “head–>name” is called a path expression Path expressions help avoid explicit joins ...
Chapter 21:Application Development and Administration
... An expression such as “head–>name” is called a path expression Path expressions help avoid explicit joins ...
... An expression such as “head–>name” is called a path expression Path expressions help avoid explicit joins ...
SAS and Relational Databases: What You Must Know
... The structure of the data you would query will probably be drastically different as well. It’s not uncommon for datasets to have the information you need in just one or two sources. This is unlikely with an RBMS – you will probably have to connect many tables to get the same information. For example ...
... The structure of the data you would query will probably be drastically different as well. It’s not uncommon for datasets to have the information you need in just one or two sources. This is unlikely with an RBMS – you will probably have to connect many tables to get the same information. For example ...