transparencies - Indico
... infrastructure for developing and deploying production databases and applications. This infrastructure provides 3 database instances, development, integration and production. This infrastructure is applicable to any application schema, mission critical or not. It is designed to insure development, t ...
... infrastructure for developing and deploying production databases and applications. This infrastructure provides 3 database instances, development, integration and production. This infrastructure is applicable to any application schema, mission critical or not. It is designed to insure development, t ...
Distributed Deadlock Detection
... – All copies must be write-locked before item can be updated. Disadvantages - deadlock handling more complex; communication costs higher than primary copy 2PL. ...
... – All copies must be write-locked before item can be updated. Disadvantages - deadlock handling more complex; communication costs higher than primary copy 2PL. ...
Low-Overhead Asynchronous Checkpointing in Main
... called stable status. Each record corresponds to a bit in stable status to indicate whether its stable version is empty1 . For the purposes of this discussion, we assume that transactions are executed using a pessimistic (lock-based) concurrency control algorithm in a multi-threaded execution enviro ...
... called stable status. Each record corresponds to a bit in stable status to indicate whether its stable version is empty1 . For the purposes of this discussion, we assume that transactions are executed using a pessimistic (lock-based) concurrency control algorithm in a multi-threaded execution enviro ...
Scalable Data Management in the Cloud: Research Challenges
... { update_friend_list(Bob, Alice); // Hong Kong} catch(exception e) { add_to_retry_queue(
... { update_friend_list(Bob, Alice); // Hong Kong} catch(exception e) { add_to_retry_queue(
Relational Database Management System
... Ans. B 7. A _______ type has internal components that can be manipulated individuality. a. Scalar b. Composite c. Varchars Ans. B 8. ________ refers top the data type of the column in the relation. a. % row type b. % type c. cursors Ans. B 9. A ______ declation specifies a set of types that can be p ...
... Ans. B 7. A _______ type has internal components that can be manipulated individuality. a. Scalar b. Composite c. Varchars Ans. B 8. ________ refers top the data type of the column in the relation. a. % row type b. % type c. cursors Ans. B 9. A ______ declation specifies a set of types that can be p ...
Synchronization and replication in the context of mobile applications
... the mechanism to solve this problem - synchronous replication or eager replication, where every transaction updates all replicas - produces heavy distributed transaction load. Therefore synchronous replication is considered to be very hard to achieve in an efficient way [7]. Fortunately there is ano ...
... the mechanism to solve this problem - synchronous replication or eager replication, where every transaction updates all replicas - produces heavy distributed transaction load. Therefore synchronous replication is considered to be very hard to achieve in an efficient way [7]. Fortunately there is ano ...
Name
... from books where title = `Database System Concepts’ To get a relation containing pairs of the form “title, author” for each book and each author of the book select B.title, A.author from books as B, unnest (B.author_array) as A (author ) To retain ordering information we add a with ordinality cl ...
... from books where title = `Database System Concepts’ To get a relation containing pairs of the form “title, author” for each book and each author of the book select B.title, A.author from books as B, unnest (B.author_array) as A (author ) To retain ordering information we add a with ordinality cl ...
Mimer SQL embedded in healthcare industry equipment
... The sdbgen program can be executed without any arguments and will in that case prompt for information needed. Generate the default configuration file (multidefs) for the database server by using the following command: mimcontrol –g ...
... The sdbgen program can be executed without any arguments and will in that case prompt for information needed. Generate the default configuration file (multidefs) for the database server by using the following command: mimcontrol –g ...
branch-name
... • E.g., store join of account and depositor; branch-name and balance information is repeated for each holder of an account, but join need not be computed repeatedly. • Price paid: more space and more work for programmer to keep relation consistent on updates • better to use materialized views (more ...
... • E.g., store join of account and depositor; branch-name and balance information is repeated for each holder of an account, but join need not be computed repeatedly. • Price paid: more space and more work for programmer to keep relation consistent on updates • better to use materialized views (more ...
SQL virtual database
... WHAT IS A VIRTUAL DATABASE? A virtual database (VDB) is a software implementation of a database that enables data storage and retrieval just like a physical database. Because a virtual database acts like a physical database, you can access any data or object in the virtual database using T-SQL scrip ...
... WHAT IS A VIRTUAL DATABASE? A virtual database (VDB) is a software implementation of a database that enables data storage and retrieval just like a physical database. Because a virtual database acts like a physical database, you can access any data or object in the virtual database using T-SQL scrip ...
Kroenke-DBP-e10-PPT-Chapter01-Part01
... • The purpose of a database is to help people track things of interest to them • Data is stored in tables, which have rows and columns like a spreadsheet. A database may have multiple tables, where each table stores data about a different thing • Each row in a table stores data about an occurrence o ...
... • The purpose of a database is to help people track things of interest to them • Data is stored in tables, which have rows and columns like a spreadsheet. A database may have multiple tables, where each table stores data about a different thing • Each row in a table stores data about an occurrence o ...
Notes
... • deduct from one account and credit to another If one steps succeeds and the other fails, database is in an inconsistent state Therefore, either both steps should succeed or neither should ...
... • deduct from one account and credit to another If one steps succeeds and the other fails, database is in an inconsistent state Therefore, either both steps should succeed or neither should ...
Android Application Development Lecture 13
... SQL can retrieve data from a database SQL can insert records in a database SQL can update records in a database SQL can delete records from a database SQL can create new databases SQL can create new tables in a database SQL can create stored procedures in a database SQL can create views in a databas ...
... SQL can retrieve data from a database SQL can insert records in a database SQL can update records in a database SQL can delete records from a database SQL can create new databases SQL can create new tables in a database SQL can create stored procedures in a database SQL can create views in a databas ...
Chapter 19: Distributed Databases
... Code to handle messages must be carefully designed to ensure atomicity and durability properties for updates Isolation cannot be guaranteed, in that intermediate stages are visible, but code must ensure no inconsistent states result due to concurrency Persistent messaging systems are systems t ...
... Code to handle messages must be carefully designed to ensure atomicity and durability properties for updates Isolation cannot be guaranteed, in that intermediate stages are visible, but code must ensure no inconsistent states result due to concurrency Persistent messaging systems are systems t ...
DB2_Ch12
... • Multiple processes run on different computers sharing single data repository • The end user sees the file server as just another hard disk. Because only the data storage input/output (I/O) is handled by the file server’s computer. • All record- and file-locking activities are done at the end-user ...
... • Multiple processes run on different computers sharing single data repository • The end user sees the file server as just another hard disk. Because only the data storage input/output (I/O) is handled by the file server’s computer. • All record- and file-locking activities are done at the end-user ...
Seminar 5: OO Database Design
... (e.g., set, bag, list). Composite attributes are implemented directly (i.e., struct). Primary keys are not required but supported for their usefulness in query processing. Value-based foreign keys are not present ODBs. The data type of attributes can be primitive (e.g., short, float, string, etc) as ...
... (e.g., set, bag, list). Composite attributes are implemented directly (i.e., struct). Primary keys are not required but supported for their usefulness in query processing. Value-based foreign keys are not present ODBs. The data type of attributes can be primitive (e.g., short, float, string, etc) as ...
Temporal and real-time databases: a survey
... and boundedness, restrictions on range can be applied. The scientific “Big Bang” cosmology posits that time began with the Big Bang, 12 k 6 billion years ago. There is much debate on when it will end, depending on whether the universe is open or closed (Hawking provides a readable introduction to th ...
... and boundedness, restrictions on range can be applied. The scientific “Big Bang” cosmology posits that time began with the Big Bang, 12 k 6 billion years ago. There is much debate on when it will end, depending on whether the universe is open or closed (Hawking provides a readable introduction to th ...
Design and Evaluation of Architectures for Commercial Applications
... tpsB (transactions/second) $/tpsB ...
... tpsB (transactions/second) $/tpsB ...
info - T6
... Creating A Table In Design View • To create a table using the data entry method: – Click the Create tab, and then click the Table Design button – Click in the Field Name cell and type Bike ID – Click in the Data Type cell, click the list arrow and select Number – To make the Bike ID field a primary ...
... Creating A Table In Design View • To create a table using the data entry method: – Click the Create tab, and then click the Table Design button – Click in the Field Name cell and type Bike ID – Click in the Data Type cell, click the list arrow and select Number – To make the Bike ID field a primary ...
Using SQL Server Management Studio
... Picture: Creating tables to the database The summary frame is divided to two parts. Upper part is used to create columns to the table. The part below has more precise information about each column. Create the columns you need for the table. For each column you have to give: • The name of the column. ...
... Picture: Creating tables to the database The summary frame is divided to two parts. Upper part is used to create columns to the table. The part below has more precise information about each column. Create the columns you need for the table. For each column you have to give: • The name of the column. ...
Chapter 9- security
... Application Roles This is a special role that must be activated using a password It is designed to force users to use a specific application to access data The activation code can be hardwired into your custom applications It does not contain any users ...
... Application Roles This is a special role that must be activated using a password It is designed to force users to use a specific application to access data The activation code can be hardwired into your custom applications It does not contain any users ...