Chapter 1: Introduction
... Atomicity of updates (see page 23) Failures may leave database in an inconsistent state with partial updates carried out Example: Transfer of funds (say $1000) from one account (say $5000) to another (say $2000) should either complete or not happen at all. ...
... Atomicity of updates (see page 23) Failures may leave database in an inconsistent state with partial updates carried out Example: Transfer of funds (say $1000) from one account (say $5000) to another (say $2000) should either complete or not happen at all. ...
Building Mission Critical Systems with SQL Server 2005
... skipping zero initialization during the file creation phase of restore Not only a benefit to Restore Database Creation All Restores: File, Filegroup and Database Restores Database File Changes: autogrow, manual resizing ...
... skipping zero initialization during the file creation phase of restore Not only a benefit to Restore Database Creation All Restores: File, Filegroup and Database Restores Database File Changes: autogrow, manual resizing ...
Managing Databases with Binary Large Objects
... (BLOB) that, under a wide range of conditions, save both storage space and database transactions processing time. The research shows that for database applications where ad hoc retrieval queries prevail, storing the actual values of BLOBs in the database may be the best choice to achieve better perf ...
... (BLOB) that, under a wide range of conditions, save both storage space and database transactions processing time. The research shows that for database applications where ad hoc retrieval queries prevail, storing the actual values of BLOBs in the database may be the best choice to achieve better perf ...
Managing Databases with Binary Large Objects
... (BLOB) that, under a wide range of conditions, save both storage space and database transactions processing time. The research shows that for database applications where ad hoc retrieval queries prevail, storing the actual values of BLOBs in the database may be the best choice to achieve better perf ...
... (BLOB) that, under a wide range of conditions, save both storage space and database transactions processing time. The research shows that for database applications where ad hoc retrieval queries prevail, storing the actual values of BLOBs in the database may be the best choice to achieve better perf ...
Challenges in Embedded Database System Administration Proceedings of the Embedded Systems Workshop
... its usefulness to any single application), is unacceptable in embedded applications. Another element of Berkeley DB’s programmatic interface is its customizability. Applications can specify Btree comparison and prefix compression functions, hash functions, error routines, and recovery models. This m ...
... its usefulness to any single application), is unacceptable in embedded applications. Another element of Berkeley DB’s programmatic interface is its customizability. Applications can specify Btree comparison and prefix compression functions, hash functions, error routines, and recovery models. This m ...
How In-Memory Affects Database Design
... • This will stop MOST duplication, but not all. Two inserters can check at the same time, and with no blocks, app locks, or constraints even available, you may get duplicates. • Remember the term: Optimistic Concurrency Control ...
... • This will stop MOST duplication, but not all. Two inserters can check at the same time, and with no blocks, app locks, or constraints even available, you may get duplicates. • Remember the term: Optimistic Concurrency Control ...
Files and Buffer
... their different numbers of cylinders, tracks, arms, and read/write heads), ram-disks, tapes, and so on, into simple abstract data types. Allocation independence: The file manager does its own space management for storing the data objects presented by the client. It may store the same objects in more ...
... their different numbers of cylinders, tracks, arms, and read/write heads), ram-disks, tapes, and so on, into simple abstract data types. Allocation independence: The file manager does its own space management for storing the data objects presented by the client. It may store the same objects in more ...
Chapter 15 Duplicating Databases and Transporting Data
... Duplicating Databases and Transporting Data ...
... Duplicating Databases and Transporting Data ...
Database Fundamentals
... • Centralised Database: In a centralised database system there is only one database which is shared between users. – Q: What is the main disadvantage of centralised databases? How do we solve it? – A: Perhaps the main disadvantage of this type of database is that a failure of the server running the ...
... • Centralised Database: In a centralised database system there is only one database which is shared between users. – Q: What is the main disadvantage of centralised databases? How do we solve it? – A: Perhaps the main disadvantage of this type of database is that a failure of the server running the ...
Oracle Database 10g: Administration Workshop I
... 2. Install the Oracle software. 3. Plan the database. 4. Create and open the database. 5. Back up the database. 6. Enroll system users. 7. Implement the database design. 8. Recover from database failure. 9. Monitor database performance. ...
... 2. Install the Oracle software. 3. Plan the database. 4. Create and open the database. 5. Back up the database. 6. Enroll system users. 7. Implement the database design. 8. Recover from database failure. 9. Monitor database performance. ...
A system for conceptual and logical database design
... treats the semnifications of data, therefore the central issue is the choice of a suitable data model which allows one to express properly the application of semantics. Here the enriched Entity-Relationship model has been chosen. The design of conceptual views may be in general developed independent ...
... treats the semnifications of data, therefore the central issue is the choice of a suitable data model which allows one to express properly the application of semantics. Here the enriched Entity-Relationship model has been chosen. The design of conceptual views may be in general developed independent ...
ppt
... Possible to execute chooseSeat function correctly, yet have global result not be correct Problem can be solved by SQL mechanism that serves to serialize the execution of the two function executions Execution of functions is serial if one function executes completely before any other function begins ...
... Possible to execute chooseSeat function correctly, yet have global result not be correct Problem can be solved by SQL mechanism that serves to serialize the execution of the two function executions Execution of functions is serial if one function executes completely before any other function begins ...
Data Level Auditing™ for Compliance & Security
... • Appropriate for data modifications – Provides a full audit trail of changes to column data ...
... • Appropriate for data modifications – Provides a full audit trail of changes to column data ...
Hydra: A Database System with Facilities for Link Analysis
... fully integrated into the programming language so it is possible to program new searches as well as directly using a numberof built-in search primitives. In order to ensure that any database will be amenable to link analysis the Hydra system uses a graph-based (effectively a binary-relational) data ...
... fully integrated into the programming language so it is possible to program new searches as well as directly using a numberof built-in search primitives. In order to ensure that any database will be amenable to link analysis the Hydra system uses a graph-based (effectively a binary-relational) data ...
Chapter 1: Introduction
... Failures may leave database in an inconsistent state with partial updates carried out Example: Transfer of funds from one account to another should either complete or not happen at all ...
... Failures may leave database in an inconsistent state with partial updates carried out Example: Transfer of funds from one account to another should either complete or not happen at all ...
Chapter 9
... • Database: the storage of different types of data in such a way that the data can be easily manipulated and retrieved by an end user. A database is composed of fields, records, and tables. • Field: a single fact or data. It is the smallest use of named data that has meaning in a database. Fields ar ...
... • Database: the storage of different types of data in such a way that the data can be easily manipulated and retrieved by an end user. A database is composed of fields, records, and tables. • Field: a single fact or data. It is the smallest use of named data that has meaning in a database. Fields ar ...
Chapter 1: Introduction
... Two-tier architecture: E.g. client programs using ODBC/JDBC to communicate with a database Three-tier architecture: E.g. web-based applications, and applications built using “middleware” ...
... Two-tier architecture: E.g. client programs using ODBC/JDBC to communicate with a database Three-tier architecture: E.g. web-based applications, and applications built using “middleware” ...
Database mirroring
... • Clients interact with the database hosted on the principal server. • Database mirrors are paired copies of a single database that are hosted on separate instances of SQL Server. “Although it is possible to use mirroring with instances installed on the ...
... • Clients interact with the database hosted on the principal server. • Database mirrors are paired copies of a single database that are hosted on separate instances of SQL Server. “Although it is possible to use mirroring with instances installed on the ...
PowerPoint - People at SurfaceEffect
... How do databases work? An DBMS is a server which is responsible for managing one or more databases. Database clients can connect to the server to extract data from the DB or insert data into the DB. For a website to use a database it needs a database client which it can use to extract data from the ...
... How do databases work? An DBMS is a server which is responsible for managing one or more databases. Database clients can connect to the server to extract data from the DB or insert data into the DB. For a website to use a database it needs a database client which it can use to extract data from the ...
data
... Atomicity of updates (see page 23) Failures may leave database in an inconsistent state with partial updates carried out Example: Transfer of funds (say $1000) from one account (say $5000) to another (say $2000) should either complete or not happen at all. ...
... Atomicity of updates (see page 23) Failures may leave database in an inconsistent state with partial updates carried out Example: Transfer of funds (say $1000) from one account (say $5000) to another (say $2000) should either complete or not happen at all. ...
Slide 1
... Testing in DB Pro • Firstly remember that can test any CLR code before loading it into SQL Server • DBPro adds database tests that can be used to test any stored procedure, function, trigger or DB object • A single test project can contain a variety of test types • Can be used to auto generate test ...
... Testing in DB Pro • Firstly remember that can test any CLR code before loading it into SQL Server • DBPro adds database tests that can be used to test any stored procedure, function, trigger or DB object • A single test project can contain a variety of test types • Can be used to auto generate test ...
A Comparative Study on Oracle and IBM
... personnel, often results in spiraling management costs. In order to meet these challenges, Oracle has made the manageability of its products one of its primary goals. Oracle Database automates a number of key administrative tasks, reduces the complexity of administration and provides self-tuning cap ...
... personnel, often results in spiraling management costs. In order to meet these challenges, Oracle has made the manageability of its products one of its primary goals. Oracle Database automates a number of key administrative tasks, reduces the complexity of administration and provides self-tuning cap ...