데이터베이스 관리자를 위한 Microsoft SQL Server
... Triggers and tracking tables added to Oracle database Log Reader Agent transfers changes to SQL Server Distributor and Distribution Agent transfers changes to subscribers Potential issues because of: Differences between SQL Server and Oracle Use of Oracle tools ...
... Triggers and tracking tables added to Oracle database Log Reader Agent transfers changes to SQL Server Distributor and Distribution Agent transfers changes to subscribers Potential issues because of: Differences between SQL Server and Oracle Use of Oracle tools ...
Module 2 Association Rules
... Disk access is the most expensive operations, so need to reduce disk access as much as possible If it is possible, only a single scan of data should be done. If not, then minimize the number of scan If main memory size is unlimited, single disk scan is possible However, main memory size is not unlim ...
... Disk access is the most expensive operations, so need to reduce disk access as much as possible If it is possible, only a single scan of data should be done. If not, then minimize the number of scan If main memory size is unlimited, single disk scan is possible However, main memory size is not unlim ...
Chapter 7: Relational Database Design
... (name varchar(20) address varchar(20)) ref using varchar(20) create table people of Person ref is oid user generated When creating a tuple, we must provide a unique value for the identifier (assumed to be the first attribute): insert into people values (‘01284567’, ‘John’, `23 Coyote Run’) ...
... (name varchar(20) address varchar(20)) ref using varchar(20) create table people of Person ref is oid user generated When creating a tuple, we must provide a unique value for the identifier (assumed to be the first attribute): insert into people values (‘01284567’, ‘John’, `23 Coyote Run’) ...
Object-Relational Databases
... (name varchar(20) address varchar(20)) ref using varchar(20) create table people of Person ref is oid user generated ! When creating a tuple, we must provide a unique value for the ...
... (name varchar(20) address varchar(20)) ref using varchar(20) create table people of Person ref is oid user generated ! When creating a tuple, we must provide a unique value for the ...
Publisher
... (name varchar(20) address varchar(20)) ref using varchar(20) create table people of Person ref is oid user generated When creating a tuple, we must provide a unique value for the identifier (assumed to be the first attribute): insert into people values (‘01284567’, ‘John’, `23 Coyote Run’) ...
... (name varchar(20) address varchar(20)) ref using varchar(20) create table people of Person ref is oid user generated When creating a tuple, we must provide a unique value for the identifier (assumed to be the first attribute): insert into people values (‘01284567’, ‘John’, `23 Coyote Run’) ...
Chapter 21:Application Development and Administration
... Vertically partition relations to isolate the data that is accessed most often -- only fetch needed information. • E.g., split account into two, (account-number, branch-name) and (account-number, balance). • Branch-name need not be fetched unless required Improve performance by storing a denorma ...
... Vertically partition relations to isolate the data that is accessed most often -- only fetch needed information. • E.g., split account into two, (account-number, branch-name) and (account-number, balance). • Branch-name need not be fetched unless required Improve performance by storing a denorma ...
Middleware-based Database Replication: The Gaps
... applications generally avoid conflicting transactions, there are still significant research efforts trying to solve this problem in the replication middleware layer. The volume of update transactions, however, remains the limiting performance factor for such systems. As every replica has to perform ...
... applications generally avoid conflicting transactions, there are still significant research efforts trying to solve this problem in the replication middleware layer. The volume of update transactions, however, remains the limiting performance factor for such systems. As every replica has to perform ...
Chapter 7: Relational Database Design
... (name varchar(20) address varchar(20)) ref using varchar(20) create table people of Person ref is oid user generated When creating a tuple, we must provide a unique value for the identifier (assumed to be the first attribute): insert into people values (‘01284567’, ‘John’, `23 Coyote Run’) ...
... (name varchar(20) address varchar(20)) ref using varchar(20) create table people of Person ref is oid user generated When creating a tuple, we must provide a unique value for the identifier (assumed to be the first attribute): insert into people values (‘01284567’, ‘John’, `23 Coyote Run’) ...
JDBC
... from a database using JDBC – Create a connection object, using a URL – Create a statement object – Execute a query on the statement object – Process the result set returned from the query ...
... from a database using JDBC – Create a connection object, using a URL – Create a statement object – Execute a query on the statement object – Process the result set returned from the query ...
SQLIA: Detection And Prevention Techniques: A Survey Pushkar Y.Jane , M.S.Chaudhari
... Dr.J.J.Magdum College of Engineering, Jaysingpur ...
... Dr.J.J.Magdum College of Engineering, Jaysingpur ...
A System for Integrated Management of Data, Accuracy, and Lineage
... came into existence is an auxiliary fact if recorded at all. Many database applications inherently require more flexibility and accountability in their data (see Section 2 for numerous examples): A data item may belong in the database with some amount of confidence, or its value may be approximate. ...
... came into existence is an auxiliary fact if recorded at all. Many database applications inherently require more flexibility and accountability in their data (see Section 2 for numerous examples): A data item may belong in the database with some amount of confidence, or its value may be approximate. ...
Microsoft SQL Server - Microsoft Center
... speed transactional performance. We also enhanced the inmemory columnstore with faster performance and significantly higher data compression so memory utilization can be optimized. Customers have responded to this evolution by continuing to show confidence in using SQL Server to manage their mission ...
... speed transactional performance. We also enhanced the inmemory columnstore with faster performance and significantly higher data compression so memory utilization can be optimized. Customers have responded to this evolution by continuing to show confidence in using SQL Server to manage their mission ...
Living with P6 Databases, Part 2
... you install P6, you can configure it to use your existing database instead of the default. This means that you have the choice of which type to use. You even have a choice of what version of the database software to use. All of the available types and versions purposely ‘throttle-down’ their free Ex ...
... you install P6, you can configure it to use your existing database instead of the default. This means that you have the choice of which type to use. You even have a choice of what version of the database software to use. All of the available types and versions purposely ‘throttle-down’ their free Ex ...
PL/SQL
... For SELECT queries, the context area also stores the active set, which is the set of data rows that query retrieves Implicit cursor is a pointer to the context area For Implicit cursor, there is no need to write commands ...
... For SELECT queries, the context area also stores the active set, which is the set of data rows that query retrieves Implicit cursor is a pointer to the context area For Implicit cursor, there is no need to write commands ...
OO Databases & XML
... by ending the start tag with a /> and deleting the end tag
... by ending the start tag with a /> and deleting the end tag
FederatedDataWarehouse
... Research into federated databases was originally motivated by the problem of legacy systems (see [Brod92, Shet90]) However, we argue that database federation is a good structuring principle of its own, and as a result it is a useful technology in structuring newly developed information systems Disco ...
... Research into federated databases was originally motivated by the problem of legacy systems (see [Brod92, Shet90]) However, we argue that database federation is a good structuring principle of its own, and as a result it is a useful technology in structuring newly developed information systems Disco ...
SQL- and Operator-centric Data Analytics in Relational Main
... theano 4 and MATLAB 5 are known by many data scientists and are readily available. For these reasons, they are heavily used for data analytics, and implementations of new algorithms are often integrated. In addition, these languages and environments provide data visualizations and are well-suited fo ...
... theano 4 and MATLAB 5 are known by many data scientists and are readily available. For these reasons, they are heavily used for data analytics, and implementations of new algorithms are often integrated. In addition, these languages and environments provide data visualizations and are well-suited fo ...
Chapter 3: Data Warehousing and OLAP Technology: An Overview
... • The time horizon for the data warehouse is significantly longer than that of operational systems – Operational database: current value data – Data warehouse data: provide information from a historical perspective (e.g., past 5-10 years) • Every key structure in the data warehouse – Contains an ele ...
... • The time horizon for the data warehouse is significantly longer than that of operational systems – Operational database: current value data – Data warehouse data: provide information from a historical perspective (e.g., past 5-10 years) • Every key structure in the data warehouse – Contains an ele ...
Parallel Databases
... Factors Limiting Speedup and Scaleup Speedup and scaleup are often sublinear due to: Startup costs: Cost of starting up multiple processes may dominate computation time, if the degree of parallelism is high. ...
... Factors Limiting Speedup and Scaleup Speedup and scaleup are often sublinear due to: Startup costs: Cost of starting up multiple processes may dominate computation time, if the degree of parallelism is high. ...
Data Access Objects and Visual Basic
... A new Recordset object is automatically added to the Recordsets collection when you open the object, and is automatically removed when you close it. You can create as many Recordset object variables as needed. Different Recordset objects can access the same tables, queries, and fields without confli ...
... A new Recordset object is automatically added to the Recordsets collection when you open the object, and is automatically removed when you close it. You can create as many Recordset object variables as needed. Different Recordset objects can access the same tables, queries, and fields without confli ...
slides
... ResultSet rs = dbmd.getColumns(null, "univdb", "department", "%"); // Arguments to getColumns: Catalog, Schema-pattern, Table-pattern, ...
... ResultSet rs = dbmd.getColumns(null, "univdb", "department", "%"); // Arguments to getColumns: Catalog, Schema-pattern, Table-pattern, ...
Day 3 AND Day 4 Topics Privileges Enhancements Implementing
... For better separation of duty, Oracle Database now provides task-specific privileges to handle standard administration duties for Oracle Recovery Manager (Oracle RMAN), Oracle Data Guard, and Transparent Data Encryption. The new privileges are based on the least privilege principle, in which a u ...
... For better separation of duty, Oracle Database now provides task-specific privileges to handle standard administration duties for Oracle Recovery Manager (Oracle RMAN), Oracle Data Guard, and Transparent Data Encryption. The new privileges are based on the least privilege principle, in which a u ...
Kroenke-DBP-e10-PPT-Chapter12
... The DataSource property of each textbox is set to the name of the ADO control. Here the ADO control is named adoEmployee. Setting the DataSource property of a textbox links the textbox control to the ADO control. DataField property is set to the appropriate column name from the employee table in ord ...
... The DataSource property of each textbox is set to the name of the ADO control. Here the ADO control is named adoEmployee. Setting the DataSource property of a textbox links the textbox control to the ADO control. DataField property is set to the appropriate column name from the employee table in ord ...