db_ch4
... Case Statement for Conditional Updates Same query as before: Increase all accounts with balances over ...
... Case Statement for Conditional Updates Same query as before: Increase all accounts with balances over ...
Module 1: Introduction
... Paper flow of information between organizations is being replaced by electronic flow of information Each application area has its own set of standards for ...
... Paper flow of information between organizations is being replaced by electronic flow of information Each application area has its own set of standards for ...
Chapter 12: Managing Multi
... – Modifications made by concurrent transactions must be isolated from the modifications made by any other concurrent transactions. A transaction either sees data in the state it was in before another concurrent transaction modified it, or it sees the data after the second transaction has completed, ...
... – Modifications made by concurrent transactions must be isolated from the modifications made by any other concurrent transactions. A transaction either sees data in the state it was in before another concurrent transaction modified it, or it sees the data after the second transaction has completed, ...
MSDE or SQL Server 2000 Database
... archive data store will be less than 2 GB, and there will be few users running queries. If you do not need access with third-party tools, then one of the Cloudscape scenarios is a better choice, because a Cloudscape data store can grow larger than 2 GB. If you do need third-party access, with more u ...
... archive data store will be less than 2 GB, and there will be few users running queries. If you do not need access with third-party tools, then one of the Cloudscape scenarios is a better choice, because a Cloudscape data store can grow larger than 2 GB. If you do need third-party access, with more u ...
- Courses - University of California, Berkeley
... • Now we do some INSERTSs; note that when appending to an array, we enclose the values within braces and separate them by commas. ...
... • Now we do some INSERTSs; note that when appending to an array, we enclose the values within braces and separate them by commas. ...
Document
... problem rather than defining a solution. The most popular language used to create, modify, and retrieve data from relational databases. ...
... problem rather than defining a solution. The most popular language used to create, modify, and retrieve data from relational databases. ...
SQL Stored Procedures
... table. After the INSERT statement is executed the new row is added to the Inserted table. DELETE trigger - It is fired when the attempt is made to delete the row from the trigger table. The deleted rows are added to the Deleted table. There are no common rows between deleted and database table. ...
... table. After the INSERT statement is executed the new row is added to the Inserted table. DELETE trigger - It is fired when the attempt is made to delete the row from the trigger table. The deleted rows are added to the Deleted table. There are no common rows between deleted and database table. ...
SQL Tuning - Ohio Oracle Users Group
... – 10+ years with Oracle – Oracle 7x, 8x, 9i – 70% Application – 30% Production ...
... – 10+ years with Oracle – Oracle 7x, 8x, 9i – 70% Application – 30% Production ...
Slide 1
... – Oracle audit trail from OS files • Collect audit records written in XML or standard text file – Operating system SYSLOG • Collect Oracle database audit records from SYSLOG – Redo log • Extract before/after values and DDL changes to table • Microsoft SQL server versions 2000, 2005, 2008 • Server si ...
... – Oracle audit trail from OS files • Collect audit records written in XML or standard text file – Operating system SYSLOG • Collect Oracle database audit records from SYSLOG – Redo log • Extract before/after values and DDL changes to table • Microsoft SQL server versions 2000, 2005, 2008 • Server si ...
Relationalizing RDF stores for tools reusability
... relational database management systems, it would be prudent to focus on research efforts that attempt to recycle these tools for new data models such as the RDF Graph Model. R2D is one such effort that attempts to eliminate the learning curves associated with mastering new tools and to leverage the ...
... relational database management systems, it would be prudent to focus on research efforts that attempt to recycle these tools for new data models such as the RDF Graph Model. R2D is one such effort that attempts to eliminate the learning curves associated with mastering new tools and to leverage the ...
Best Practices Guide: MDB Database Maintenance
... This section provides an understanding of the relationship of files to the mdb database and why monitoring file sizes and disk space is necessary. It also provides a look at the file sizes supported by various operating systems, the issues associated with them and what to do when reaching the size l ...
... This section provides an understanding of the relationship of files to the mdb database and why monitoring file sizes and disk space is necessary. It also provides a look at the file sizes supported by various operating systems, the issues associated with them and what to do when reaching the size l ...
transaction
... Repeatable read — only committed records to be read, repeated reads of same record must return same value. However, a transaction may not be serializable – it may find some records inserted by a transaction but not find others. Read committed — only committed records can be read, but successive read ...
... Repeatable read — only committed records to be read, repeated reads of same record must return same value. However, a transaction may not be serializable – it may find some records inserted by a transaction but not find others. Read committed — only committed records can be read, but successive read ...
Aalborg Universitet Extending OLAP Querying to External Object
... Many reasons exist for preferring federating existing SDBs and ODBs, as opposed to physically integrating these. The generic arguments for federation include leveraging existing technology, accessing the most current information, and allowing the autonomous existence of the systems being federated. ...
... Many reasons exist for preferring federating existing SDBs and ODBs, as opposed to physically integrating these. The generic arguments for federation include leveraging existing technology, accessing the most current information, and allowing the autonomous existence of the systems being federated. ...
SQL
... the actual password. Therefore, even if we have a numeric string '31173', it will become '31173 morpheus'. By manually calling the convert() function, trying to convert '31173 morpheus' into an integer, SQL Server will throw out ODBC error message: Microsoft OLE DB Provider for ODBC Drivers error ...
... the actual password. Therefore, even if we have a numeric string '31173', it will become '31173 morpheus'. By manually calling the convert() function, trying to convert '31173 morpheus' into an integer, SQL Server will throw out ODBC error message: Microsoft OLE DB Provider for ODBC Drivers error ...
Statewide Transportation Planning Model and Methodology Development Program Final Report November 1996
... Transportation network models have been used since the early 1960s to analyze flow among origin-destination pairs connected by a finite network of transportation facilities. And, while most of these network applications were conducted to support urban transportation planning, early freight network m ...
... Transportation network models have been used since the early 1960s to analyze flow among origin-destination pairs connected by a finite network of transportation facilities. And, while most of these network applications were conducted to support urban transportation planning, early freight network m ...
Insert Title Here
... • The phrase candidate key is used in place of “key” where “the key” denotes the primary key • A superkey is a superset of a key (i.e., not ...
... • The phrase candidate key is used in place of “key” where “the key” denotes the primary key • A superkey is a superset of a key (i.e., not ...
Data Warehousing in OI
... DataSets used to populate those tables. Define the SQL data type first, then the DataSet type. As an example, let’s say that the LH data type is VARCHAR. Depending on the target database, the SQL data type may be char, varchar, string, text, memo, or any of a number of proprietary data type names. I ...
... DataSets used to populate those tables. Define the SQL data type first, then the DataSet type. As an example, let’s say that the LH data type is VARCHAR. Depending on the target database, the SQL data type may be char, varchar, string, text, memo, or any of a number of proprietary data type names. I ...
Objects Naming Standards
... There will be change log tables or history tables in applications that store information on the changes like insert, delete or update that happen to a particular table. These tables are not normally considered as part of the application, but they are mostly part of the monitoring, tracking or versi ...
... There will be change log tables or history tables in applications that store information on the changes like insert, delete or update that happen to a particular table. These tables are not normally considered as part of the application, but they are mostly part of the monitoring, tracking or versi ...
Document
... Persistence Mechanisms • Files hold data, typically on magnetic media such as disks and tapes • Database management systems (DBMS) hold tables of data (relational DBMS) or objects (object DBMS) • DBMS use files to store data or objects, but they hide the physical processes for storing data beneath ...
... Persistence Mechanisms • Files hold data, typically on magnetic media such as disks and tapes • Database management systems (DBMS) hold tables of data (relational DBMS) or objects (object DBMS) • DBMS use files to store data or objects, but they hide the physical processes for storing data beneath ...
Transaction
... Consistent: Database constraints preserved Isolated: It appears to the user as if only one process executes at a time Durable: Effects of a process survive a crash ...
... Consistent: Database constraints preserved Isolated: It appears to the user as if only one process executes at a time Durable: Effects of a process survive a crash ...
Fundamentals of Database Systems
... behavior (operations). Similar to program variable in programming language, except that it will typically have a complex data structure as well as specific operations defined by the programmer Elmasri/Navathe, Fundamentals of Database Systems, Fourth Edition Copyright © 2004 Ramez Elmasri and Shamka ...
... behavior (operations). Similar to program variable in programming language, except that it will typically have a complex data structure as well as specific operations defined by the programmer Elmasri/Navathe, Fundamentals of Database Systems, Fourth Edition Copyright © 2004 Ramez Elmasri and Shamka ...
Concepts for Object-Oriented Databases
... behavior (operations). Similar to program variable in programming language, except that it will typically have a complex data structure as well as specific operations defined by the programmer Elmasri/Navathe, Fundamentals of Database Systems, Fourth Edition Copyright © 2004 Ramez Elmasri and Shamka ...
... behavior (operations). Similar to program variable in programming language, except that it will typically have a complex data structure as well as specific operations defined by the programmer Elmasri/Navathe, Fundamentals of Database Systems, Fourth Edition Copyright © 2004 Ramez Elmasri and Shamka ...