Progress Performance Tuning
... Table I/O before & after perceived “Hot Spots” • Used the Client Parameter (-yx) to identify the Program (fortunately there was only one) • Reviewed the Code with the Progress Profiler • Root cause: Indexing Problem • Emergency Change Request to add a new index • After the Index was added: 742 milli ...
... Table I/O before & after perceived “Hot Spots” • Used the Client Parameter (-yx) to identify the Program (fortunately there was only one) • Reviewed the Code with the Progress Profiler • Root cause: Indexing Problem • Emergency Change Request to add a new index • After the Index was added: 742 milli ...
Security and Integrity
... Legal and ethical issues regarding the right to access certain information. In US there are many laws governing privacy of information. Policy issues at the governmental, institutional, or corporate level as to what kinds of information should not be made publicly available – for example, credit rat ...
... Legal and ethical issues regarding the right to access certain information. In US there are many laws governing privacy of information. Policy issues at the governmental, institutional, or corporate level as to what kinds of information should not be made publicly available – for example, credit rat ...
Chapter 1: Introduction
... modify, and extract information from a database. There are many different types of DBMSs, ranging from small systems that run on personal computers to huge systems that run on mainframes. ...
... modify, and extract information from a database. There are many different types of DBMSs, ranging from small systems that run on personal computers to huge systems that run on mainframes. ...
Chapter 11
... • Access plans are DBMS-specific – Translate client’s SQL query into series of complex I/O operations – Required to read the data from the physical data files and generate result set ...
... • Access plans are DBMS-specific – Translate client’s SQL query into series of complex I/O operations – Required to read the data from the physical data files and generate result set ...
Building and Deploying Web-Scale Social Networking Applications
... Why so many schemas? • Lots of different types of applications for end users on the site • Schemas are split within a site by “application function” in most cases. E.g. – Groups – Photos – Forums •Allowed for unanticipated growth for new applications – E.g. The next 4 new apps can go on one instanc ...
... Why so many schemas? • Lots of different types of applications for end users on the site • Schemas are split within a site by “application function” in most cases. E.g. – Groups – Photos – Forums •Allowed for unanticipated growth for new applications – E.g. The next 4 new apps can go on one instanc ...
Jerry Held - Universidad Nacional De Colombia
... Redo logs used to reapply changes Undo segments used to roll back uncommitte d changes Resources released ...
... Redo logs used to reapply changes Undo segments used to roll back uncommitte d changes Resources released ...
Avoiding Database Anomalies
... test a logical data model; to ensure that it is anomaly free (i.e. robust), practice documenting a Database Schema; based on a small conceptual model (as represented by an ER Diagram). ...
... test a logical data model; to ensure that it is anomaly free (i.e. robust), practice documenting a Database Schema; based on a small conceptual model (as represented by an ER Diagram). ...
Slide 1
... sp_changeobjectowner permissions has an additional requirement. In order for a member of the db_ddladmin role to be able to successfully call sp_changeobjectowner, the member must also be a member of the db_securityadmin database role. When an object’s owner is changed, permissions are changed as we ...
... sp_changeobjectowner permissions has an additional requirement. In order for a member of the db_ddladmin role to be able to successfully call sp_changeobjectowner, the member must also be a member of the db_securityadmin database role. When an object’s owner is changed, permissions are changed as we ...
Chapter 1: Introduction - YOU LOOK HAPPY TO MEET ME
... Collection of interrelated data (database) Set of programs to access the data (control programs) To provide an environment that is both convenient and efficient to use in retrieving and storing database information. (Primary Goal) DBMS = database + control programs Database Applications: ...
... Collection of interrelated data (database) Set of programs to access the data (control programs) To provide an environment that is both convenient and efficient to use in retrieving and storing database information. (Primary Goal) DBMS = database + control programs Database Applications: ...
High Availability
... • Both Provide Multiple copies and Manual failover • Replication – since SQL Server 6.0 • Primarily used where availability is required in ...
... • Both Provide Multiple copies and Manual failover • Replication – since SQL Server 6.0 • Primarily used where availability is required in ...
databases
... thefor first first upgradeThat Domains replica. domain spanresults all and Fault in that updates Domains. Fault Domain software. and Upgrade This can only affect Domain being oneunavailable replica. for other 2. First UDreplicas. is brought back ...
... thefor first first upgradeThat Domains replica. domain spanresults all and Fault in that updates Domains. Fault Domain software. and Upgrade This can only affect Domain being oneunavailable replica. for other 2. First UDreplicas. is brought back ...
Cheminformatics and Pharmacophore Modeling
... Component Collections available that include diverse components for creating such data processing protocols. A few of these components are included in the example described in this document. ...
... Component Collections available that include diverse components for creating such data processing protocols. A few of these components are included in the example described in this document. ...
PENGANTAR MANAJEMEN BASIS DATA
... Concurrent Transaction • Concurrent transactions refer to two or more transactions that appear to users as they are being processed against a database at the same time • In reality, CPU can execute only one instruction at a time – Transactions are interleaved meaning that the operating system qu ...
... Concurrent Transaction • Concurrent transactions refer to two or more transactions that appear to users as they are being processed against a database at the same time • In reality, CPU can execute only one instruction at a time – Transactions are interleaved meaning that the operating system qu ...
What is a “database”? - Regis University: Academic Web Server for
... Widely used standard set of commands and syntax for doing things with Relational DBMSs Used especially for query and retrieval Includes commands for defining Relational DBs, conducting transactions, storing data, etc. Each Relational DBMS also has additional features unique to it, because SQL does n ...
... Widely used standard set of commands and syntax for doing things with Relational DBMSs Used especially for query and retrieval Includes commands for defining Relational DBs, conducting transactions, storing data, etc. Each Relational DBMS also has additional features unique to it, because SQL does n ...
Pass4sure 1z0
... Pass4sureofficial.com is a reputable IT certification examination guide, study guides and audio exam provider, we not only ensure that you pass your 1Z0-052 exam in first attempt, but also you can get a high score to acquire Oracle certification. If you use pass4sureofficial 1Z0-052 Certification qu ...
... Pass4sureofficial.com is a reputable IT certification examination guide, study guides and audio exam provider, we not only ensure that you pass your 1Z0-052 exam in first attempt, but also you can get a high score to acquire Oracle certification. If you use pass4sureofficial 1Z0-052 Certification qu ...
Choosing the Right Database for Your Social Game
... In vivid contrast, OMGPOP launched Draw Something just a day after the article was published. Draw Something was extremely successful from the start and just kept on growing – it fact, it hit 50 million downloads in 50 days without any scaling issues. The selection of a database will have significan ...
... In vivid contrast, OMGPOP launched Draw Something just a day after the article was published. Draw Something was extremely successful from the start and just kept on growing – it fact, it hit 50 million downloads in 50 days without any scaling issues. The selection of a database will have significan ...
Performance Tuning Microsoft Azure SQL Database
... • Database – indexes, partitions and waits • Execution – connections, sessions, requests • Transaction – transactions and locks ...
... • Database – indexes, partitions and waits • Execution – connections, sessions, requests • Transaction – transactions and locks ...
Introduction to Database Systems
... corresponding log entry is forced to a safe location. (WAL protocol; OS support for this is often inadequate.) After a crash, the effects of partially executed transactions are undone using the log. (Thanks to WAL, if log entry wasn’t saved before the crash, corresponding change was not applied to d ...
... corresponding log entry is forced to a safe location. (WAL protocol; OS support for this is often inadequate.) After a crash, the effects of partially executed transactions are undone using the log. (Thanks to WAL, if log entry wasn’t saved before the crash, corresponding change was not applied to d ...
DATABASES A database is a shared collection of logically related
... and most products will offer the user some level of control in tuning the physical implementation, since the choices that are made have a significant effect on performance. An example of this is the relational model: all serious implementations of the relational model allow the creation of indexes w ...
... and most products will offer the user some level of control in tuning the physical implementation, since the choices that are made have a significant effect on performance. An example of this is the relational model: all serious implementations of the relational model allow the creation of indexes w ...
GT.M - Multi-purpose Universal NoSQL Database
... – Financial application requirement is that all nodes must eventually have the same path through state space, not just the same state, with Consistency (as in the ACID property) at each point – achieved by giving each transaction a unique serial number and performing rollback / reapply as needed to ...
... – Financial application requirement is that all nodes must eventually have the same path through state space, not just the same state, with Consistency (as in the ACID property) at each point – achieved by giving each transaction a unique serial number and performing rollback / reapply as needed to ...
Pclec01
... Data will no longer be related by application programs, but by the structure defined in the database. ...
... Data will no longer be related by application programs, but by the structure defined in the database. ...