KorthDB6_ch3
... ©Silberschatz, Korth and Sudarshan See www.db-book.com for conditions on re-use ...
... ©Silberschatz, Korth and Sudarshan See www.db-book.com for conditions on re-use ...
RDBMS LAB MANUAL Roll.No:1
... CHAR (Size): This data type is used to store character strings values of fixed length. The size in brackets determines the number of characters the cell can hold. The maximum number of character is 255 characters. 1. VARCHAR (Size) / VERCHAR2 (Size): This data type is used to store variable length a ...
... CHAR (Size): This data type is used to store character strings values of fixed length. The size in brackets determines the number of characters the cell can hold. The maximum number of character is 255 characters. 1. VARCHAR (Size) / VERCHAR2 (Size): This data type is used to store variable length a ...
HP Vertica Analytics Platform 7.0.x Concepts Guide
... In HP Vertica, the value of K can be 0, 1, or 2. If a database that has a K-safety of one (K=1) loses a node, the database continues to run normally. Potentially, the database could continue running if additional nodes fail, as long as at least one other node in the cluster has a copy of the failed ...
... In HP Vertica, the value of K can be 0, 1, or 2. If a database that has a K-safety of one (K=1) loses a node, the database continues to run normally. Potentially, the database could continue running if additional nodes fail, as long as at least one other node in the cluster has a copy of the failed ...
True/False Questions
... the same file. A foreign key is a pointer to the records of a different file in a database. 31. A secondary key is an alternate identifier for a database. Its value may identify either a single record or a subset of all records. Answer: True Page: 521 LOD: Easy 32. A primary key might be created by ...
... the same file. A foreign key is a pointer to the records of a different file in a database. 31. A secondary key is an alternate identifier for a database. Its value may identify either a single record or a subset of all records. Answer: True Page: 521 LOD: Easy 32. A primary key might be created by ...
Part
... The executeBatch() method returns an array of counts, each of which counts the number of rows affected by the SQL command. The first count returns 0 because it is a DDL command. The other counts return 1 because only one row is affected. NOTE: To find out whether a driver supports batch updates, inv ...
... The executeBatch() method returns an array of counts, each of which counts the number of rows affected by the SQL command. The first count returns 0 because it is a DDL command. The other counts return 1 because only one row is affected. NOTE: To find out whether a driver supports batch updates, inv ...
ODBC Client Driver
... Name: User-defined identity of this channel. In each server project, each channel name must be unique. Although names can be up to 256 characters, some client applications have a limited display window when browsing the OPC server's tag space. The channel name is part of the OPC browser information. ...
... Name: User-defined identity of this channel. In each server project, each channel name must be unique. Although names can be up to 256 characters, some client applications have a limited display window when browsing the OPC server's tag space. The channel name is part of the OPC browser information. ...
Review 2
... • insert the key and pointer and then determine the middle key • a new 'right' sibling is allocated • everything to its left stays in the left sibling • everything to its right goes into the right sibling • the middle key value along with the pointer to the new right sibling is promoted to the paren ...
... • insert the key and pointer and then determine the middle key • a new 'right' sibling is allocated • everything to its left stays in the left sibling • everything to its right goes into the right sibling • the middle key value along with the pointer to the new right sibling is promoted to the paren ...
Final Thesis - Computer Science
... for high throughput, good response time, excellent data consistency and concurrency control. This project evaluates SQL Server 2000 and Oracle 9i with respect to performance and scalability. Initial performance tests showed that at low to medium workload both database systems behaved in a similar fa ...
... for high throughput, good response time, excellent data consistency and concurrency control. This project evaluates SQL Server 2000 and Oracle 9i with respect to performance and scalability. Initial performance tests showed that at low to medium workload both database systems behaved in a similar fa ...
Concepts Guide HP Vertica Analytic Database Software Version: 7.1.x Document Release Date: 10/31/2014
... It is possible for an HP Vertica database to have more than K nodes fail and still continue running safely, because the database continues to run as long as every data segment is available on at least one functioning cluster node. Potentially, up to half the nodes in a database with a K-safety level ...
... It is possible for an HP Vertica database to have more than K nodes fail and still continue running safely, because the database continues to run as long as every data segment is available on at least one functioning cluster node. Potentially, up to half the nodes in a database with a K-safety level ...
MulTe: A Multi-Tenancy Database Benchmark
... We argue that MT-DBMSs are so diverse and complex that different aspects need to be considered when a benchmark is designed. A single, classic performance metric, like transactions executed per second, is valid for peak performance evaluations and hence can be used for the ScalabilityBenchmark and t ...
... We argue that MT-DBMSs are so diverse and complex that different aspects need to be considered when a benchmark is designed. A single, classic performance metric, like transactions executed per second, is valid for peak performance evaluations and hence can be used for the ScalabilityBenchmark and t ...
Modern Database Management, 10e (Hoffer/Ramesh/Topi)
... 42) The traditional methodology used to develop, maintain and replace information systems is called the: A) Enterprise Resource Model B) Systems Development Life Cycle C) Unified Model D) Systems Deployment Life Cycle Answer: B Diff: 2 Page Ref:25 Topic: Database Development Process AACSB: Analytic ...
... 42) The traditional methodology used to develop, maintain and replace information systems is called the: A) Enterprise Resource Model B) Systems Development Life Cycle C) Unified Model D) Systems Deployment Life Cycle Answer: B Diff: 2 Page Ref:25 Topic: Database Development Process AACSB: Analytic ...
EMC BACKUP AND RECOVERY OPTIONS FOR VSPEX FOR VIRTUALIZED MICROSOFT
... The Avamar plug-in supports backup and recovery operations of SQL Server database data that ranges from entire databases to various object levels, such as filegroups. The plug-in also includes the ability to restore data in-place to the same SQL server or to perform a redirected restore to another S ...
... The Avamar plug-in supports backup and recovery operations of SQL Server database data that ranges from entire databases to various object levels, such as filegroups. The plug-in also includes the ability to restore data in-place to the same SQL server or to perform a redirected restore to another S ...
12. User-managed complete recovery and RMAN complete recovery
... No matter what type of media failure the DBA is handling, they must contribute more analysis and thought to a media failure then they would to most other failure situations, such as those associated with instance recovery or basic user error. In fact, in certain situations, a severe hardware failure ...
... No matter what type of media failure the DBA is handling, they must contribute more analysis and thought to a media failure then they would to most other failure situations, such as those associated with instance recovery or basic user error. In fact, in certain situations, a severe hardware failure ...
Link to technical report
... The design of the rapid environmental assessment (REA) database version 1 was completed under contract. The database was constructed in PostgreSQL, an open-source database management system. The REA database was primarily used for the storage of DRDC Atlantic environmental data. However, additional ...
... The design of the rapid environmental assessment (REA) database version 1 was completed under contract. The database was constructed in PostgreSQL, an open-source database management system. The REA database was primarily used for the storage of DRDC Atlantic environmental data. However, additional ...
HPE Vertica 7.1.x Concepts Guide
... It is possible for an HP Vertica database to have more than K nodes fail and still continue running safely, because the database continues to run as long as every data segment is available on at least one functioning cluster node. Potentially, up to half the nodes in a database with a K-safety level ...
... It is possible for an HP Vertica database to have more than K nodes fail and still continue running safely, because the database continues to run as long as every data segment is available on at least one functioning cluster node. Potentially, up to half the nodes in a database with a K-safety level ...
No Slide Title
... (Smith, North, Rye), (Curry, North, Rye), (Lindsay, Park, Pittsfield)} is a relation over customer-name x customer-street x customer-city. ...
... (Smith, North, Rye), (Curry, North, Rye), (Lindsay, Park, Pittsfield)} is a relation over customer-name x customer-street x customer-city. ...
Distributed Databases - Internet Database Lab.
... covers distributed database systems, revisiting the issues of database design, transaction management, and query evaluation and optimization, in the context of distributed databases. The chapter also covers issues of system availability during failures and describes the LDAP directory system. ...
... covers distributed database systems, revisiting the issues of database design, transaction management, and query evaluation and optimization, in the context of distributed databases. The chapter also covers issues of system availability during failures and describes the LDAP directory system. ...
PDO - Ilia Alshanetsky
... driver:decl_type - The data type of the column according to the database. flags – will return any flags particular to this column in a form of an array. name – the name of the column as returned by the database without any normalization. len – maximum length of a string column, may not always be ava ...
... driver:decl_type - The data type of the column according to the database. flags – will return any flags particular to this column in a form of an array. name – the name of the column as returned by the database without any normalization. len – maximum length of a string column, may not always be ava ...
5a-Hibernate
... "Hibernate is an object/relational mapping tool for Java environments. The term object/relational mapping (ORM) refers to the technique of mapping a data representation from an object model to a relational data model with a SQL-based schema." -- Preface Hibernate Documentation Hibernate supports man ...
... "Hibernate is an object/relational mapping tool for Java environments. The term object/relational mapping (ORM) refers to the technique of mapping a data representation from an object model to a relational data model with a SQL-based schema." -- Preface Hibernate Documentation Hibernate supports man ...
The Process of Tuning DB2 for AIX
... The amount of memory required by each user connection into the database (that is, a DB2 agent) depends on the nature of the SQL statements performed by the LL Bean application -- such as the number of concurrent cursors opened and the amount of sorting and temp space required. For the LL Bean applic ...
... The amount of memory required by each user connection into the database (that is, a DB2 agent) depends on the nature of the SQL statements performed by the LL Bean application -- such as the number of concurrent cursors opened and the amount of sorting and temp space required. For the LL Bean applic ...