encrypt decrypt procedures for blob data

... methodology for the system it exposes In database terms, this means that an API would expose public interfaces for retrieving data from, inserting data into, and updating data in the database A set of database ... stored procedures that render the data into the correct format for the reports, rather than implementing similar reports in each application 11 CHAPTER SOFTWARE DEVELOPMENT METHODOLOGIES FOR THE DATABASE ... in order to ensure reusability Data Logic Data logic defines the conditions that must be true for the data in the database to be in a consistent, noncorrupt state Database developers are no doubt...

Ngày tải lên: 05/10/2013, 08:48

Ngày tải lên: 16/10/2013, 21:15

... Level II Test Procedures Introduction This document defines the procedures required for conducting high performance channel/link testing with Level II hand held testers The test procedures are ... wire pairs for any kinks, high bends or knuckle kinks IP-12 KRONE Installation & Testing Procedures MK023-01 Printed in USA 1/98 Installation Procedures 25-Pair FT Block Labeling Procedures STEP ... Procedures MK023-01 Printed in USA 1/98 Installation Procedures 8-Pair Series Block Termination Procedures (Cont.) STEP 3: Repeat steps and 2, working from bottom to top of mounting bracket for...

Ngày tải lên: 12/12/2013, 12:15

... applications on RAC databases and monitor database performance Oracle Database Platform Guide for Windows: Contains information specific to managing a database on a Windows platform Oracle Database Administrator's ... Describes the tasks that a database administrator performs to manage a cluster database Oracle Real Application Clusters Deployment and Performance Guide: Provides guidelines for database administrators ... Server 29 10 Install Oracle Database 10g with Real Application Clusters Perform the following procedures to install the Oracle Database 10g with RAC Insert the Oracle Database 10g Release (10.1.0.2)...

Ngày tải lên: 21/12/2013, 04:17

... known as binary data Several different formats are in common use for storage of numeric data in binary form 2.1.2 ASCII (American National Standard Code for Information Interchange) data symbols ... Information Handling Services - 13 - ELECTRICAL RELAYS Part 24: Common format for transient data exchange (COMTRADE) for power systems Scope and object This part of IEC 60255 defines a format for ... extension: HDR for the header file, CFG for the configuration file, DAT fordatafile(s), and INF fortheinformationfile.Thefile names shall follow the IBM Compatible DOS [15] conventions for legal characters...

Ngày tải lên: 25/12/2013, 10:51

... Oracle Database 10g Types of Database Failures Since database backups are made to protect against a database failure, let’s quickly review the types of database failures that can occur A database ... the actual datafiles The redo log is the ultimate source of truth for all changes to the data in an Oracle database, since an instance failure before the changes are written to the datafiles means ... data if you have a source, or you’re going to have a data loss situation If you are running a production database—or if you want to make sure that all the data changes made to any database, for...

Ngày tải lên: 19/01/2014, 22:20

... consultant for Oracle Corporation Sam is the author of two previous books for Apress about Oracle9i Database and Oracle 10g Database administration Sam also wrote two Oracle certification books for ... 326 11-5 Performing Database-Level Recovery 327 11-6 Performing Tablespace-Level Recovery 329 11-7 Performing Datafile-Level Recovery ... ■ CHAPTER 15 Duplicating Databases and Transporting Data 443 15-1 Renaming Files in a Duplicate Database 444 15-2 Creating a Duplicate Database on the Same Host...

Ngày tải lên: 19/01/2014, 22:20

... specification for the object model CHAPTER ■ SPATIAL INFORMATION MANAGEMENT Oracle Spatial makes it possible to process geodata within the same information platform used for all other data types ... standards, for an overview of ongoing standardization initiatives for spatial information data and systems, and for an up-to-date list of compliant products See ISO/IEC 13249-3:2003, “Information ... provides an implementation for these standards8 and offers a simple and effective way of storing and analyzing spatial data from within the same database used for any other data type The combination...

Ngày tải lên: 19/01/2014, 22:20

... application and related dataset that are used for most examples in this book The data used includes mapping data (for example, state boundaries, rivers, built-up areas), geocoding data (for example, lists ... multitudes of spatial datasets and sources used in practice Some datasets, such as cadastral data, land-use data, road network data, administrative boundary data, rivers and lakes data, and so on, ... additional data type called raster, which is used for images and grid data We cover raster data and the raster data model in Appendix D CHAPTER ■ SPATIAL INFORMATION MANAGEMENT Figure 1-1 Spatial data...

Ngày tải lên: 19/01/2014, 22:20

... advanced data types and cursors that can boost query performances if used correctly For instance, Oracle provides the LOB data types that perform faster than the standard LONG data types used for ... ODP.NET provider for the NET 2.0 framework Oracle Data Provider for NET 1.x This is the ODP.NET provider for the NET 1.x framework Oracle Database Extensions for NET 2.0 Oracle Database Extensions ... Microsoft ODBC for Oracle Microsoft ODBC for Oracle is an ODBC implementation for access to Oracle databases Like the Microsoft OLE DB provider for Oracle, it only supports Oracle database versions...

Ngày tải lên: 17/02/2014, 17:20

... of a prospective database must be evaluated, database is to be loaded, ACM Transactions on Database Systems, Vol 13, No 1, March 1988 Physical Database Design for Relational Databases l 93 -the ... access path for statement (S6) ACM Transactions on Database Systems, Vol 13, No 1, March 1938 Physical Database Design for Relational Databases l 125 Links may also be plausible for statements ... on DBDSGN, which performs design for SQL/DS [20], a relational system based on System R We developed the methodology for the index-selection problem for System R, but did not forget the more general...

Ngày tải lên: 20/02/2014, 05:21

Ngày tải lên: 23/02/2014, 02:20

... Oracle Database 10g Types of Database Failures Since database backups are made to protect against a database failure, let’s quickly review the types of database failures that can occur A database ... the actual datafiles The redo log is the ultimate source of truth for all changes to the data in an Oracle database, since an instance failure before the changes are written to the datafiles means ... data if you have a source, or you’re going to have a data loss situation If you are running a production database—or if you want to make sure that all the data changes made to any database, for...

Ngày tải lên: 05/03/2014, 13:21

... of Core Data is that every relationship in your database should have an inverse Although this may not make logical sense for the data, it is important for data integrity within Core Data What ... is where Core Data comes in In a nutshell, Core Data removes another third from that MVC design Core Data is the model It is a common misconception that Core Data is a database API for Cocoa that ... build the data objects that are associated with the “tables” in the “database.” Fortunately, we are working with Core Data, and there are no data objects to construct As part of Core Data, defining...

Ngày tải lên: 06/03/2014, 10:20

... recommended format is: -- Where is BRM for Business Reference Model BA for Business Area PA for Business Process Area BPS for Business Process Summary BPUC for ... Description forms, then a set of Content Mapping forms should be completed for that schema (the component names in the forms are simply requirements for information) For each Content Description form, ... scheme (see Appendix B) Form: Describe Business Area Form ID [Provide an ID for this form so other forms can reference it (§5.1.8)] Business Area Name [Provide a name for the business area This...

Ngày tải lên: 06/03/2014, 20:21

Ngày tải lên: 07/03/2014, 02:20

... substantial performance of the contract, it discharges the innocent party to proceed further with the performance and entitles him to a right of action for damages and to enforce the remedies for such ... waived (c) By refusal of a party to perform: On a promisor’s refusal to perform the contract or repudiation thereof even before the arrival of the time for performance, the promisee may at his option ... BIS (Bureau of Indian Standards) mark For any deviations from Indian Standards or for any additional parameters for better performance, specific reasons for deviations / modifications should...

Ngày tải lên: 07/03/2014, 08:20

... consistency guarantees for replicated data [13, 1, 17, 2, 3, 12] The typical reason given for reducing the replication consistency of these systems is the CAP theorem [5, 14]—in order for the system ... layout of the data in the database Both the logging and concurrency protocols have to be completely logical, referring only to record keys rather than physical data structures Fortunately, the ... inability to perform physiological logging is not at all a problem in deterministic database systems; since the state of a database can be completely determined from the input to the database, logical...

Ngày tải lên: 07/03/2014, 14:20

... R Ramakrishnan “The Case for Enhanced Abstract Data Types.” In Proc VLDB, 1997 [DG92] D DeWitt and J Gray “Parallel Database Systems: The Future of High Performance Database Systems.” In Communications ... we performed the following experiment We measured the time it takes for two similar, simple selection queries to pass TABLE 1: Data and code references across all queries classification data code ... are difficult to extend and evolve While commercial database software offers a sophisticated platform for efficiently managing large amounts of data, it is rarely used as stand-alone service Typically,...

Ngày tải lên: 07/03/2014, 14:20

... consumption, response time, accuracy and staleness of data, administrative issues, and even supply and demand for specialized data processing For query optimization purposes, the most relevant parts ... costs for these by contacting the data sources using a single round of communication Choose one subplan (and the corresponding way join) out of all the subplans for these Đ Calculate the costs for ... traditional cost model for estimating costs If the physical database design is known (e.g., existence of indexes or materialized views on the underlying data sources), then this information is used...

Ngày tải lên: 07/03/2014, 14:20