(A) R
... apply reflexivity and augmentation rules on f add the resulting functional dependencies to F+ for each pair of functional dependencies f1and f2 in F+ if f1 and f2 can be combined using transitivity then add the resulting functional dependency to F+ until F+ does not change any further 2×2n＝2n+1 NOTE ...
... apply reflexivity and augmentation rules on f add the resulting functional dependencies to F+ for each pair of functional dependencies f1and f2 in F+ if f1 and f2 can be combined using transitivity then add the resulting functional dependency to F+ until F+ does not change any further 2×2n＝2n+1 NOTE ...
configuring ms access, mysql, and oracle9i
... and JSP, advanced servlets and JSP, Struts, JSF/MyFaces, Ajax, GWT, Ruby/Rails and more. Ask for custom courses! ...
... and JSP, advanced servlets and JSP, Struts, JSF/MyFaces, Ajax, GWT, Ruby/Rails and more. Ask for custom courses! ...
(A) R
... Either test Ri for BCNF with respect to the restriction of F to Ri (that is, all FDs in F+ that contain only attributes from Ri) or use the original set of dependencies F that hold on R, but with the following test: – for every set of attributes Ri, check that + (the attribute closure of ) ...
... Either test Ri for BCNF with respect to the restriction of F to Ri (that is, all FDs in F+ that contain only attributes from Ri) or use the original set of dependencies F that hold on R, but with the following test: – for every set of attributes Ri, check that + (the attribute closure of ) ...
Upgrading to Oracle Database 12c
... command-line upgrade utility enables parallel processing during the database upgrade, resulting in better upgrade performance and reduced database downtime. Command-line upgrades follow the same steps and take the same amount of time as upgrading with DBUA. They are most commonly used by database ad ...
... command-line upgrade utility enables parallel processing during the database upgrade, resulting in better upgrade performance and reduced database downtime. Command-line upgrades follow the same steps and take the same amount of time as upgrading with DBUA. They are most commonly used by database ad ...
The Process of Tuning DB2 for AIX
... Minimizing the number of network trips for your SQL statements will save on network latency and context switches, which can result in the application holding onto locks for a shorter period of time. Generally, a stored procedure should be used when an SQL transaction has more than 4 or 5 statements. ...
... Minimizing the number of network trips for your SQL statements will save on network latency and context switches, which can result in the application holding onto locks for a shorter period of time. Generally, a stored procedure should be used when an SQL transaction has more than 4 or 5 statements. ...
Concepts Guide HP Vertica Analytic Database Software Version: 7.1.x Document Release Date: 10/31/2014
... If node 2 fails, node 1 handles requests on its behalf using its replica of node 2's data, in addition to performing its own role in processing requests. The fault tolerance of the database will fall from 1 to 0, since a single node could cause the database to become unsafe. In this example, if eith ...
... If node 2 fails, node 1 handles requests on its behalf using its replica of node 2's data, in addition to performing its own role in processing requests. The fault tolerance of the database will fall from 1 to 0, since a single node could cause the database to become unsafe. In this example, if eith ...
A Generic Provenance Middleware for Database Queries, Updates
... that arise when updates are run as parts of concurrent transactions.3 Buneman et al. [5] have studied a copy-based provenance type for the nested update language and nested relational calculus. Vansummeren et al. [17] define provenance for SQL DML statements. This approach modifies the updates to st ...
... that arise when updates are run as parts of concurrent transactions.3 Buneman et al. [5] have studied a copy-based provenance type for the nested update language and nested relational calculus. Vansummeren et al. [17] define provenance for SQL DML statements. This approach modifies the updates to st ...
ECP2.1 Upgrade Client
... behavior of ECP across all the supported databases. Oracle and PostgreSQL use case sensitive search by default while MySQL and MSSQL are case insensitive. This can lead to some minor issues during message transportation when the message passes through databases with different case sensitivity. Takin ...
... behavior of ECP across all the supported databases. Oracle and PostgreSQL use case sensitive search by default while MySQL and MSSQL are case insensitive. This can lead to some minor issues during message transportation when the message passes through databases with different case sensitivity. Takin ...
38. Layered Temporal DBMS`s–Concepts and Techniques
... building a temporal DBMS is the integrated architecture also used for implementing commercial relational DBMS’s (see, e.g., [1, 18, 19]). This architecture allows the implementor maximum flexibility in implementing the temporal query language. This flexibility may potentially be used for developing ...
... building a temporal DBMS is the integrated architecture also used for implementing commercial relational DBMS’s (see, e.g., [1, 18, 19]). This architecture allows the implementor maximum flexibility in implementing the temporal query language. This flexibility may potentially be used for developing ...
SAP HANA SPS 09 - What`s New? SAP HANA Multitenant Database
... Specific properties of multitenant database container backup/recovery System database: central for backup/recovery; can initiate backups of the system database itself and individual tenant DBs. Recoveries always initiated by system database. Tenant DBs: local admin can carry out backup of her te ...
... Specific properties of multitenant database container backup/recovery System database: central for backup/recovery; can initiate backups of the system database itself and individual tenant DBs. Recoveries always initiated by system database. Tenant DBs: local admin can carry out backup of her te ...
HP Vertica Analytics Platform 7.0.x Concepts Guide
... If node 2 fails, node 1 handles requests on its behalf using its replica of node 2's data, in addition to performing its own role in processing requests. The fault tolerance of the database will fall from 1 to 0, since a single node could cause the database to become unsafe. In this example, if eith ...
... If node 2 fails, node 1 handles requests on its behalf using its replica of node 2's data, in addition to performing its own role in processing requests. The fault tolerance of the database will fall from 1 to 0, since a single node could cause the database to become unsafe. In this example, if eith ...
www.ipeirotis.com
... the probability that the summary of D is from a database under all its parent categories Avoids “sparse data” problem and decreases estimation risk Panos Ipeirotis - Columbia University ...
... the probability that the summary of D is from a database under all its parent categories Avoids “sparse data” problem and decreases estimation risk Panos Ipeirotis - Columbia University ...
XCC Developer`s Guide - MarkLogic XQuery and XSLT Function
... XCC has a set of client libraries that you use to build applications that communicate with MarkLogic Server. There are Java and .NET versions of the client libraries. XCC requires that an XDBC server is configured in MarkLogic Server. An XDBC server responds to XDBC and XCC requests. XDBC and XCC us ...
... XCC has a set of client libraries that you use to build applications that communicate with MarkLogic Server. There are Java and .NET versions of the client libraries. XCC requires that an XDBC server is configured in MarkLogic Server. An XDBC server responds to XDBC and XCC requests. XDBC and XCC us ...
mod-5
... for each pair of functional dependencies f1and f2 in F + if f1 and f2 can be combined using transitivity then add the resulting functional dependency to F + until F + does not change any further NOTE: We shall see an alternative procedure for this task later ...
... for each pair of functional dependencies f1and f2 in F + if f1 and f2 can be combined using transitivity then add the resulting functional dependency to F + until F + does not change any further NOTE: We shall see an alternative procedure for this task later ...
Security and Backups
... • Specifies amount of disk space that user’s database objects can occupy in default tablespace • Must be assigned • Quota Size value: – None, default – Unlimited Guide to Oracle 10g – Value Advanced Databases ...
... • Specifies amount of disk space that user’s database objects can occupy in default tablespace • Must be assigned • Quota Size value: – None, default – Unlimited Guide to Oracle 10g – Value Advanced Databases ...
Lecture 16 PowerPoint
... A deadlock is a situation when two (or more) users, each having a lock on one piece of data, attempt to acquire a lock on the other’s piece. Unless one of the user processes is terminated, each user would wait indefinitely for the other to release the lock. SQL Server detects deadlocks and terminate ...
... A deadlock is a situation when two (or more) users, each having a lock on one piece of data, attempt to acquire a lock on the other’s piece. Unless one of the user processes is terminated, each user would wait indefinitely for the other to release the lock. SQL Server detects deadlocks and terminate ...
Guided Test Generation for Database Applications via Synthesized
... tion at runtime, making the analysis more precise [10]. DSE first starts with default or random inputs and executes the program concretely. Along the execution, DSE simultaneously performs symbolic execution to collect symbolic constraints on the inputs obtained from predicates in branch conditions. ...
... tion at runtime, making the analysis more precise [10]. DSE first starts with default or random inputs and executes the program concretely. Along the execution, DSE simultaneously performs symbolic execution to collect symbolic constraints on the inputs obtained from predicates in branch conditions. ...
Distributed Database Management Systems: A Practical Approach
... or trademarks of Microsoft Corporation in the United States and/or other countries. Oracle® is a registered trademark of Oracle Corporation. Sun®, Java®, and all Java-based marks are trademarks or registered trademarks of Sun Microsystems, Inc. in the United States and other countries. Sybase® is a ...
... or trademarks of Microsoft Corporation in the United States and/or other countries. Oracle® is a registered trademark of Oracle Corporation. Sun®, Java®, and all Java-based marks are trademarks or registered trademarks of Sun Microsystems, Inc. in the United States and other countries. Sybase® is a ...
6231B_06
... RESTORE LABELONLY returns information about the backup media on a specified backup device ...
... RESTORE LABELONLY returns information about the backup media on a specified backup device ...
SQL 1 - New Paltz
... – First find what you don’t want – Throw it away – You are left with what you want. • Since one of these queries may run faster than the other you will need to know how to write both. • You get paid not only for correctness but probably more important, speed. ...
... – First find what you don’t want – Throw it away – You are left with what you want. • Since one of these queries may run faster than the other you will need to know how to write both. • You get paid not only for correctness but probably more important, speed. ...
Effective Usage of SQL Server 2005 Database Mirroring
... • Database Mirroring (DBM) Terms you come across: o Principal – the server that holds a copy of database that is accessible to client applications at any given time. o Mirror – the server that holds copy of database that is always in restoring state that is not accessible to the applications. o Witn ...
... • Database Mirroring (DBM) Terms you come across: o Principal – the server that holds a copy of database that is accessible to client applications at any given time. o Mirror – the server that holds copy of database that is always in restoring state that is not accessible to the applications. o Witn ...