Logging_or_Nologging.ppt - OracleNZ by Francisco Munoz Alvarez
... perspective (due that you then will need to recover from a backup and apply all the available archive logs in the recover process), but will not affect a database in case of an instance failure. On the other hand, excessive generation of redo is the result of an excessive workload of update, insert, ...
... perspective (due that you then will need to recover from a backup and apply all the available archive logs in the recover process), but will not affect a database in case of an instance failure. On the other hand, excessive generation of redo is the result of an excessive workload of update, insert, ...
original - Kansas State University
... Functions/procedures can be written in SQL itself, or in an external programming language Functions are particularly useful with specialized data types such as images and geometric objects Example: functions to check if polygons overlap, or to compare images for similarity ...
... Functions/procedures can be written in SQL itself, or in an external programming language Functions are particularly useful with specialized data types such as images and geometric objects Example: functions to check if polygons overlap, or to compare images for similarity ...
12. Programmatic Database Access with ADO.NET
... Flushing changes back to database • Reconnect, and apply adapter's Update() method – use CommandBuilder object to generate necessary SQL for you // retrieve existing data set from grid… ds = (DataSet) this.dataGrid1.get_DataSource(); ...
... Flushing changes back to database • Reconnect, and apply adapter's Update() method – use CommandBuilder object to generate necessary SQL for you // retrieve existing data set from grid… ds = (DataSet) this.dataGrid1.get_DataSource(); ...
Kas ir JDBC interfeiss - Datu bāzes tehnoloģijas
... under JDBC will be used to establish a database Connection. 2. Driver: This interface handles the communications with the database server. You will interact directly with Driver objects very rarely. Instead, you use DriverManager objects, which manages objects of this type. It also abstracts the det ...
... under JDBC will be used to establish a database Connection. 2. Driver: This interface handles the communications with the database server. You will interact directly with Driver objects very rarely. Instead, you use DriverManager objects, which manages objects of this type. It also abstracts the det ...
Getting Started with ADAPT
... precedence of level within a hierarchy. This lack of context has the undesirable impact of making it harder to validate the model. The result? Development is more difficult and the overall quality of the final system is reduced. Without context the meaning is unclear at best. The most significant te ...
... precedence of level within a hierarchy. This lack of context has the undesirable impact of making it harder to validate the model. The result? Development is more difficult and the overall quality of the final system is reduced. Without context the meaning is unclear at best. The most significant te ...
Slides01
... Entity/Relationship Model Diagrams to represent designs. • Entity like object = “thing.” • Entity set like class = set of “similar” entities/objects. • Attribute = property of entities in an entity set, similar to fields of a struct. • In diagrams, entity set rectangle; attribute oval. ID ...
... Entity/Relationship Model Diagrams to represent designs. • Entity like object = “thing.” • Entity set like class = set of “similar” entities/objects. • Attribute = property of entities in an entity set, similar to fields of a struct. • In diagrams, entity set rectangle; attribute oval. ID ...
SQL Server 2000 Editions
... • The first step in using multiple disks to optimize your SQL Server 2000 production environment is to use separate disks for your transaction log files and your data files. This separation will ensure recoverability in case of a disk failure. • Use dedicated disks for all SQL Server 2000 files wher ...
... • The first step in using multiple disks to optimize your SQL Server 2000 production environment is to use separate disks for your transaction log files and your data files. This separation will ensure recoverability in case of a disk failure. • Use dedicated disks for all SQL Server 2000 files wher ...
Oracle Data Guard - Oracle Software Downloads
... on the primary database until it has been confirmed that the transaction data is available on at least one standby database. This mode should be configured with at least two standby databases, thus offering double failure protection. If the last participating standby database becomes unavailable, pr ...
... on the primary database until it has been confirmed that the transaction data is available on at least one standby database. This mode should be configured with at least two standby databases, thus offering double failure protection. If the last participating standby database becomes unavailable, pr ...
DB10: What`s New in the OPenEdge RDBMS
... Please add the missing area according to the structure file in the source database, then use the roll forward retry utility to continue the operation. (13709) 33 DB-10: What’s New in the OpenEdge® RDBMS ...
... Please add the missing area according to the structure file in the source database, then use the roll forward retry utility to continue the operation. (13709) 33 DB-10: What’s New in the OpenEdge® RDBMS ...
Week 05 - cottageland.net
... • Any action that reads from and/or writes to a database may consist of – Simple SELECT statement to generate a list of table contents – A series of related UPDATE statements to change the values of attributes in various tables – A series of INSERT statements to add rows to one or more tables – A co ...
... • Any action that reads from and/or writes to a database may consist of – Simple SELECT statement to generate a list of table contents – A series of related UPDATE statements to change the values of attributes in various tables – A series of INSERT statements to add rows to one or more tables – A co ...
Characteristics of NoSQL Analytics Systems
... ○ Maps can also represent sets, as a mapping from a unique identifier to a value. ○ Neither the keys nor the value need have the same type, which allows a direct encoding of heterogeneity. ● A heterogeneous ordered array of values. Unlike arrays in relational systems (which are poorly supported ...
... ○ Maps can also represent sets, as a mapping from a unique identifier to a value. ○ Neither the keys nor the value need have the same type, which allows a direct encoding of heterogeneity. ● A heterogeneous ordered array of values. Unlike arrays in relational systems (which are poorly supported ...
Technologies for Connecting and Using Databases and Server
... ActiveX and CORBA. Section 3.1 describes four standardization efforts that are both the basis for many of the popular object technologies as well as the means for creating multi-part, distributed applications using only static interfaces. This section is included to provide a common basis to compare ...
... ActiveX and CORBA. Section 3.1 describes four standardization efforts that are both the basis for many of the popular object technologies as well as the means for creating multi-part, distributed applications using only static interfaces. This section is included to provide a common basis to compare ...
Masque/sql{ An E cient and Portable Natural Language Query
... The meaning of each word can be ex- question is ill-formed. In principle, it could pressed as a logic predicate, the arguments of also report it does not know how to compute which correspond to world entities. For ex- the salary of customers. ample, the meaning of the noun \manager" (as in \Is PG a ...
... The meaning of each word can be ex- question is ill-formed. In principle, it could pressed as a logic predicate, the arguments of also report it does not know how to compute which correspond to world entities. For ex- the salary of customers. ample, the meaning of the noun \manager" (as in \Is PG a ...
Chapter>>10
... 41. What is the difference between a clustering and a nonclustering index? Ans: In a clustering index, the order of the data records is close to the index order. In a nonclustering index, the order of the data records is unrelated to the index order. 42. When is a nonclustering index useful? Ans: A ...
... 41. What is the difference between a clustering and a nonclustering index? Ans: In a clustering index, the order of the data records is close to the index order. In a nonclustering index, the order of the data records is unrelated to the index order. 42. When is a nonclustering index useful? Ans: A ...
Introduction
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The Database Analyst/Administrator is responsible for all database management functions for the Administrative Office of the Courts. The Analyst/Administrator will be responsible for the tactical planning, administration, and support of all database applications. < ...
The Semantic Integration of Information Models
... and modi ed coherently. The method achieves integration at the semantic level by using an existing global ontology to resolve inconsistencies. Some heuristics are presented that may be used along with limited input from humans to guide this process. ...
... and modi ed coherently. The method achieves integration at the semantic level by using an existing global ontology to resolve inconsistencies. Some heuristics are presented that may be used along with limited input from humans to guide this process. ...
The Vertica Analytic Database: C-Store 7 Years Later
... For a real production system, all operations must be “online”. Vertica can not require stopping or suspending queries for storage management or maintenance tasks. Vertica also aims to ease the management burden by making ease of use an explicit goal. We trade CPU cycles (which are cheap) for human w ...
... For a real production system, all operations must be “online”. Vertica can not require stopping or suspending queries for storage management or maintenance tasks. Vertica also aims to ease the management burden by making ease of use an explicit goal. We trade CPU cycles (which are cheap) for human w ...
lecture1424712798
... Inconsistency: Logical mismatch of data in files Especially caused due to changes. Atomicity: There may be partial updates in files. Data Program dependence: Changes in program structure required to incorporate new data type. Changes in file structure lead to changes in the application program struc ...
... Inconsistency: Logical mismatch of data in files Especially caused due to changes. Atomicity: There may be partial updates in files. Data Program dependence: Changes in program structure required to incorporate new data type. Changes in file structure lead to changes in the application program struc ...
SQL and Java
... driver with the DriverManager • There is a different driver for each DBMS • We’ll need to use the driver for Oracle: ...
... driver with the DriverManager • There is a different driver for each DBMS • We’ll need to use the driver for Oracle: ...
Abstract - Logic Systems
... DISADVANTAGES OF EXISTING SYSTEM: However, the creation of customized queries totally depends on users’ manual editing. If a user is not familiar with the database schema in advance, those hundreds or thousands of data attributes would confuse him/her. PROPOSED SYSTEM: In this paper, we propose a Dy ...
... DISADVANTAGES OF EXISTING SYSTEM: However, the creation of customized queries totally depends on users’ manual editing. If a user is not familiar with the database schema in advance, those hundreds or thousands of data attributes would confuse him/her. PROPOSED SYSTEM: In this paper, we propose a Dy ...