Flat File Database
... • An index speeds up access for a particular database request by creating an index table that provides quick navigation of the indexed information. • Slices ca be created on a element type name (s) for which frequent access is anticipated. • A combination of element type names and attribute values c ...
... • An index speeds up access for a particular database request by creating an index table that provides quick navigation of the indexed information. • Slices ca be created on a element type name (s) for which frequent access is anticipated. • A combination of element type names and attribute values c ...
Data Guard Technology Overview
... up redo transport services and log apply services Manage an entire Data Guard configuration from any system in the configuration Manage and monitor Data Guard configurations that contain Real Application Clusters primary or standby databases Management operations can be performed locally or re ...
... up redo transport services and log apply services Manage an entire Data Guard configuration from any system in the configuration Manage and monitor Data Guard configurations that contain Real Application Clusters primary or standby databases Management operations can be performed locally or re ...
Rethinking Cost and Performance of Database Systems
... deal of hardware is wasted and it is difficult to re-use those unused hardware resources for other purposes. Furthermore, maintaining the DB infrastructure is expensive and does not get automatically cheaper, like anything else. Finally, the DB software itself can be a cost factor: Most of the funct ...
... deal of hardware is wasted and it is difficult to re-use those unused hardware resources for other purposes. Furthermore, maintaining the DB infrastructure is expensive and does not get automatically cheaper, like anything else. Finally, the DB software itself can be a cost factor: Most of the funct ...
ITEC101AccessLab9 - Gonzaga University Student Web Server
... however, we will spend some time discussing why this information is better suited for storing in a relational database, in contrast to a spreadsheet. Part 1. Recognizing Relationships in Information The information stored in the sample database includes movie titles, movie release dates, movie direc ...
... however, we will spend some time discussing why this information is better suited for storing in a relational database, in contrast to a spreadsheet. Part 1. Recognizing Relationships in Information The information stored in the sample database includes movie titles, movie release dates, movie direc ...
Database systems in 21 minutes database: a structured collection of data
... – (though they are not always) insert into sales values('1234','44','2008-03-06','27.95'); update books set price = 99.99 where author = "Flanagan"; delete from books where author = "Singer"; ...
... – (though they are not always) insert into sales values('1234','44','2008-03-06','27.95'); update books set price = 99.99 where author = "Flanagan"; delete from books where author = "Singer"; ...
Updating Database
... Add the New Row to the Data Source • The Adapter object provides two-way interaction between the database and the DataSet. • It has SelectCommand, InsertCommand, DeleteCommand, UpdateCommand properties that hold command objects to run SQL statements. • To initialize these properties, we can: – defi ...
... Add the New Row to the Data Source • The Adapter object provides two-way interaction between the database and the DataSet. • It has SelectCommand, InsertCommand, DeleteCommand, UpdateCommand properties that hold command objects to run SQL statements. • To initialize these properties, we can: – defi ...
DataCompression_Scripts and Steps
... Data compression uses the following 3 main procedures. These procedures need to be created on the user database on which we are going to implement the compression. ...
... Data compression uses the following 3 main procedures. These procedures need to be created on the user database on which we are going to implement the compression. ...
SYSTEM DATABASES CORRUPTION
... Server\MSSQL11.MSSQLSERVER2K12\MSSQL\Binn\Templates directory. In this scenario no need to rebuild the instance and also Model and MSDB databases are left untouched. As instance is corrupt, so stop SQL Server instance. net stop "SQL Server (MSSQLSERVER)" Copy the files in C:\Program Files\Mi ...
... Server\MSSQL11.MSSQLSERVER2K12\MSSQL\Binn\Templates directory. In this scenario no need to rebuild the instance and also Model and MSDB databases are left untouched. As instance is corrupt, so stop SQL Server instance. net stop "SQL Server (MSSQLSERVER)" Copy the files in C:\Program Files\Mi ...
Self-test Database application programming with JDBC
... This test is based on subjects handled in the ABIS course Data base application programming with JDBC. This test consists of multiple-choice questions. With some questions, multiple correct answers are possible. Write down your answer(s) and compare with the given solutions. This test contains 20 qu ...
... This test is based on subjects handled in the ABIS course Data base application programming with JDBC. This test consists of multiple-choice questions. With some questions, multiple correct answers are possible. Write down your answer(s) and compare with the given solutions. This test contains 20 qu ...
PostGIS Case Studies
... Institut Géographique National • First features loaded in July 2006 • All features loaded by end of 2006 • 120 data maintainers connected to the database • Running with warm standby server replicated in remote office ...
... Institut Géographique National • First features loaded in July 2006 • All features loaded by end of 2006 • 120 data maintainers connected to the database • Running with warm standby server replicated in remote office ...
Slide 1
... V8. It will still be in CM when migration job DSNTIJTC has completed. No new function can be executed in CM. Data sharing systems can have V8 and V9 members in this mode. DB2 can only migrate to CM from V8 NFM. ...
... V8. It will still be in CM when migration job DSNTIJTC has completed. No new function can be executed in CM. Data sharing systems can have V8 and V9 members in this mode. DB2 can only migrate to CM from V8 NFM. ...
0010687
... Delete records: Fire Pre-Delete, delete row or fire On-Delete, fire Post-Delete trigger Insert records: Copy Value From Item, fire Pre-Insert, check record uniqueness, insert row or ...
... Delete records: Fire Pre-Delete, delete row or fire On-Delete, fire Post-Delete trigger Insert records: Copy Value From Item, fire Pre-Insert, check record uniqueness, insert row or ...
Preview Sample 1
... 2.16 Suppose data about vendors and the items they sell are stored in a single database table. Do you think this table is anomaly-free? Why or why not? If you think there are anomalies in this table can you suggest a solution for removing them? (Q2.4) The table is NOT anomaly-free! The following is ...
... 2.16 Suppose data about vendors and the items they sell are stored in a single database table. Do you think this table is anomaly-free? Why or why not? If you think there are anomalies in this table can you suggest a solution for removing them? (Q2.4) The table is NOT anomaly-free! The following is ...
Data layer - Web Hosting at WVU
... within the data layer. However, some exceptions, such as and concurrency violations, should be surfaced to the user for resolution. Design an appropriate exception propagation strategy. For example, allow exceptions to propagate to boundary layers where they can be logged and transformed as necessar ...
... within the data layer. However, some exceptions, such as and concurrency violations, should be surfaced to the user for resolution. Design an appropriate exception propagation strategy. For example, allow exceptions to propagate to boundary layers where they can be logged and transformed as necessar ...
data layer - Web Hosting at WVU
... within the data layer. However, some exceptions, such as and concurrency violations, should be surfaced to the user for resolution. Design an appropriate exception propagation strategy. For example, allow exceptions to propagate to boundary layers where they can be logged and transformed as necessar ...
... within the data layer. However, some exceptions, such as and concurrency violations, should be surfaced to the user for resolution. Design an appropriate exception propagation strategy. For example, allow exceptions to propagate to boundary layers where they can be logged and transformed as necessar ...
constraint
... If default referential integrity constraint is too strong, overriding the default referential integrity enforcement could be defined during database design. Also consider insert, update, delete actions for parent and child. The policy will be programmed into triggers during implementation Tw ...
... If default referential integrity constraint is too strong, overriding the default referential integrity enforcement could be defined during database design. Also consider insert, update, delete actions for parent and child. The policy will be programmed into triggers during implementation Tw ...
Sharing and Reproducing Database Applications
... DB we incrementally build what we call an execution trace a provenance graph that records both OS and DB operations and data dependencies. In addition to creating the execution trace and including it in the reproducibility package for the application, LDV also copies accessed files and database tupl ...
... DB we incrementally build what we call an execution trace a provenance graph that records both OS and DB operations and data dependencies. In addition to creating the execution trace and including it in the reproducibility package for the application, LDV also copies accessed files and database tupl ...
I. The Oracle database management system
... public or private. A public synonym can be used by everyone, while a private one is accessible for only a certain group of users. A user needs special authorization to create and delete public synonyms. Index: a great tool to increase data access speed - in Oracle it is essentially a B* tree. It is ...
... public or private. A public synonym can be used by everyone, while a private one is accessible for only a certain group of users. A user needs special authorization to create and delete public synonyms. Index: a great tool to increase data access speed - in Oracle it is essentially a B* tree. It is ...
Chapter 3 Notes
... • Attribute A1 is a foreign key of R1 referring to attribute A2 in R2, if whenever there is a value v of A1, there is a tuple of R2 in which A2 has value v, and A2 is a key of R2 – This is a special case of referential integrity: A2 must be a candidate key of R2 (e.g., CrsCode is a key of Course in ...
... • Attribute A1 is a foreign key of R1 referring to attribute A2 in R2, if whenever there is a value v of A1, there is a tuple of R2 in which A2 has value v, and A2 is a key of R2 – This is a special case of referential integrity: A2 must be a candidate key of R2 (e.g., CrsCode is a key of Course in ...
GoldenGate for Oracle to Java Messaging System (JMS) on ActiveMQ
... a.) If Oracle GoldenGate is already installed for a particular database, skip to the next step. If not, then install “Generic” Oracle GoldenGate in the directory.
b.) Install the Oracle GoldenGate Java Adapter. Put it in the same directory as the rest of
GoldenGate. Untar and unzip the ...
... a.) If Oracle GoldenGate is already installed for a particular database, skip to the next step. If not, then install “Generic” Oracle GoldenGate in the
Sharing and Reproducing Database Applications
... DB we incrementally build what we call an execution trace a provenance graph that records both OS and DB operations and data dependencies. In addition to creating the execution trace and including it in the reproducibility package for the application, LDV also copies accessed files and database tupl ...
... DB we incrementally build what we call an execution trace a provenance graph that records both OS and DB operations and data dependencies. In addition to creating the execution trace and including it in the reproducibility package for the application, LDV also copies accessed files and database tupl ...
Lecture 28
... – Thus existence of an efficient algorithm is extremely unlikely. • However practical algorithms that just check some sufficient conditions for view serializability can still be used. ...
... – Thus existence of an efficient algorithm is extremely unlikely. • However practical algorithms that just check some sufficient conditions for view serializability can still be used. ...
CPS352 Lecture - SQL last revised January 17, 2017 Objectives: 1
... catalog that records information about databases they can connect to (in this case, databases on joshua; but a client’s catalog could actually contain references to databases on many different servers.) (3) It is also possible for any system that has the db2 JDBC driver installed to access the datab ...
... catalog that records information about databases they can connect to (in this case, databases on joshua; but a client’s catalog could actually contain references to databases on many different servers.) (3) It is also possible for any system that has the db2 JDBC driver installed to access the datab ...