
transparencies - Indico
... It is expected that only a limited number of users will have administrative rights to on the server For database development servers, more users may have full access rights Long-terms solutions for the data writer password management issues have to be investigated Alexandre Vaniachine (ANL) ...
... It is expected that only a limited number of users will have administrative rights to on the server For database development servers, more users may have full access rights Long-terms solutions for the data writer password management issues have to be investigated Alexandre Vaniachine (ANL) ...
SAP_R3PerformanceTuningGuide
... number of rows. With large tables, indexes have a large effect on database I/O performance. Operations, which search and operate upon a single database row or small number of database rows, should have a nonclustered or clustered index defined upon the column or columns that provide the highest leve ...
... number of rows. With large tables, indexes have a large effect on database I/O performance. Operations, which search and operate upon a single database row or small number of database rows, should have a nonclustered or clustered index defined upon the column or columns that provide the highest leve ...
Architecture
... Locks on a prefetched item can be P{called back} by the server, and returned by client transaction if the prefetched item has not been used. Locks on the page can be deescalated to locks on items in the page when there are lock conflicts. Locks on unused items can then be returned to server. ...
... Locks on a prefetched item can be P{called back} by the server, and returned by client transaction if the prefetched item has not been used. Locks on the page can be deescalated to locks on items in the page when there are lock conflicts. Locks on unused items can then be returned to server. ...
MapDB-Intro-and-Code-Samples
... for maintaining application state. It has a simple builder-style extension to allow you to control the exact characteristics of a given database (including its internal format or record structure). Engine: The Engine is the real key to MapDB, this is where the records for a database – including thei ...
... for maintaining application state. It has a simple builder-style extension to allow you to control the exact characteristics of a given database (including its internal format or record structure). Engine: The Engine is the real key to MapDB, this is where the records for a database – including thei ...
Data Query SOP - Global Health Data Management
... Add bullet pointed steps on how to raise manual queries along with screenshots. 4.2. Resolution of data queries 4.2.1. A staff member (with insert data capture system e.g. MACRO data entry role) will need to resolve each query by completing one of the following: o Amend to the correct value or infor ...
... Add bullet pointed steps on how to raise manual queries along with screenshots. 4.2. Resolution of data queries 4.2.1. A staff member (with insert data capture system e.g. MACRO data entry role) will need to resolve each query by completing one of the following: o Amend to the correct value or infor ...
Slides
... Sequence DB Search is Hampered by the Growing Gap between Sequence Growth and Processor Memory ...
... Sequence DB Search is Hampered by the Growing Gap between Sequence Growth and Processor Memory ...
Databases and Database Management Systems
... identifies a record • Student ID is a number allocated to each student as there may be 2 students with the same name ...
... identifies a record • Student ID is a number allocated to each student as there may be 2 students with the same name ...
Getting Started with Oracle Server
... - Checks the data dictionary to ensure all of the objects and columns actually exist - Locks on objects are obtained so the definition does not change - Checks the users privileges - Determines the execution plan - Loads the SQL and the plan into the shared SQL area ...
... - Checks the data dictionary to ensure all of the objects and columns actually exist - Locks on objects are obtained so the definition does not change - Checks the users privileges - Determines the execution plan - Loads the SQL and the plan into the shared SQL area ...
Lecture 5 ppt - School of Computer Science
... • Each constraint is given a name Access requires a name, but some others don’t • Constraints which refer to single columns can be included in their definition ...
... • Each constraint is given a name Access requires a name, but some others don’t • Constraints which refer to single columns can be included in their definition ...
A + B
... previously written by a transaction Ti , then the commit operation of Ti appears before the commit operation of Tj. The following schedule (Schedule 9) is not recoverable if T9 commits ...
... previously written by a transaction Ti , then the commit operation of Ti appears before the commit operation of Tj. The following schedule (Schedule 9) is not recoverable if T9 commits ...
A database management system (DBMS) is a software package with
... Linking the information back together is the key to this system. In the relational model, some bit of information was used as a "key", uniquely defining a particular record. When information was being collected about a user, information stored in the optional (or related) tables would be found by se ...
... Linking the information back together is the key to this system. In the relational model, some bit of information was used as a "key", uniquely defining a particular record. When information was being collected about a user, information stored in the optional (or related) tables would be found by se ...
What Is a Shape Object?
... CAD, topological vectors, and TINs are common structures for spatial data with associated attributes stored in a linked or internal database. Each of these spatial structures has advantages in specific geospatial applications requiring geometric data. All can be directly used in the TNT products as ...
... CAD, topological vectors, and TINs are common structures for spatial data with associated attributes stored in a linked or internal database. Each of these spatial structures has advantages in specific geospatial applications requiring geometric data. All can be directly used in the TNT products as ...
SRBD security - hornad.fei.tuke.sk
... Stored Procedures To Customize Operations On Data It is often desirable to encapsulate business rules into stored procedures for several reasons. One of them is that, if security is written in the front-end application, the user can bypass all the security of the application if the user has direct p ...
... Stored Procedures To Customize Operations On Data It is often desirable to encapsulate business rules into stored procedures for several reasons. One of them is that, if security is written in the front-end application, the user can bypass all the security of the application if the user has direct p ...
Database
... Self-describing nature of a database system: A DBMS catalog stores the description of the database. The description is called meta-data. This allows the DBMS software to work with different databases. Insulation between programs and data: Called program-data independence. Allows changing data st ...
... Self-describing nature of a database system: A DBMS catalog stores the description of the database. The description is called meta-data. This allows the DBMS software to work with different databases. Insulation between programs and data: Called program-data independence. Allows changing data st ...
SQL_2016_New_Features_Vienna
... sp_attach_db, sp_adduser and many other similar “sp_” procs Mirroring – Now use “Always On Availability Groups” ...
... sp_attach_db, sp_adduser and many other similar “sp_” procs Mirroring – Now use “Always On Availability Groups” ...
슬라이드 1
... . Measure of disk latency. Lower values are better but this can vary and is dependent on the size of I/O’s being issued as well as the workload characteristics. Numbers also vary across different storage configurations (SAN cache size/utilization can impact this greatly). Values higher than normal o ...
... . Measure of disk latency. Lower values are better but this can vary and is dependent on the size of I/O’s being issued as well as the workload characteristics. Numbers also vary across different storage configurations (SAN cache size/utilization can impact this greatly). Values higher than normal o ...
Document
... The shaded portion represents the complement of data subset A (top), the union of data subsets A and B ...
... The shaded portion represents the complement of data subset A (top), the union of data subsets A and B ...
Michał Kwiatek – CERN /IT-DES Performance Optimization and
... It allows you to store data from multiple database tables in the same physical database block. You cannot do direct-path loading into a cluster. You cannot partition clustered tables. You need to control the way the data is loaded. Michał Kwiatek – CERN /IT-DES ...
... It allows you to store data from multiple database tables in the same physical database block. You cannot do direct-path loading into a cluster. You cannot partition clustered tables. You need to control the way the data is loaded. Michał Kwiatek – CERN /IT-DES ...
tempdb
... • Work around to presizing it. • Enable Trace flag 1117 to grow all files in a filegroup equally. • It not only impacts TempDB but all other DBs on the instance. ...
... • Work around to presizing it. • Enable Trace flag 1117 to grow all files in a filegroup equally. • It not only impacts TempDB but all other DBs on the instance. ...
Data Models
... Storage structure and access method definition Schema and physical organization modification Granting user authority to access the database Specifying integrity constraints Acting as liaison with users Monitoring performance and responding to changes in ...
... Storage structure and access method definition Schema and physical organization modification Granting user authority to access the database Specifying integrity constraints Acting as liaison with users Monitoring performance and responding to changes in ...
Data source.
... on behalf of an application. Processes ODBC function calls or passes them to a driver. · Driver. Processes ODBC function calls, submits SQL requests to a specific data source, and returns results to the application. If necessary, the driver modifies an application's request so that the request confo ...
... on behalf of an application. Processes ODBC function calls or passes them to a driver. · Driver. Processes ODBC function calls, submits SQL requests to a specific data source, and returns results to the application. If necessary, the driver modifies an application's request so that the request confo ...