Vertica Database - vertica
... • The COPY command is designed for bulk load operations and can load data into the WOS or the ROS. • In Vertica, the COPY statement is designed for bulk loading data into the database. COPY reads data from text files or data pipes and inserts it into WOS (memory) or directly into the ROS (disk). COP ...
... • The COPY command is designed for bulk load operations and can load data into the WOS or the ROS. • In Vertica, the COPY statement is designed for bulk loading data into the database. COPY reads data from text files or data pipes and inserts it into WOS (memory) or directly into the ROS (disk). COP ...
Backup and Recovery of SQL Anywhere, Tips and Techniques Joshua Savill
... How often should a full backup be performed? How often should an incremental backup be performed? How often should backups be moved off-site? How often should the recovery procedure be tested? ...
... How often should a full backup be performed? How often should an incremental backup be performed? How often should backups be moved off-site? How often should the recovery procedure be tested? ...
A simple approach to Temporal Data in Relational DBMS
... explicitly fare better with a different data model. By eliminating the ToDate columns, a huge simplification occurs in the temporal database problem. By this route we are led to define a very simple concept of "temporal table", which requires no special syntax or semantics, but with associated new c ...
... explicitly fare better with a different data model. By eliminating the ToDate columns, a huge simplification occurs in the temporal database problem. By this route we are led to define a very simple concept of "temporal table", which requires no special syntax or semantics, but with associated new c ...
Oracle Database Appliance Frequently Asked Questions
... The appliance manager provides one-button automation for the entire database stack. It simplifies and automates the manual tasks typically associated with installing, managing and supporting Oracle database environments. ...
... The appliance manager provides one-button automation for the entire database stack. It simplifies and automates the manual tasks typically associated with installing, managing and supporting Oracle database environments. ...
SQL Commands
... One of the most important routes to high performance in a SQL Server database is the index. Indexes speed up the querying process by providing swift access to rows in the data tables, similarly to the way a book’s index helps you find information quickly within that book. The primary reason indexes ...
... One of the most important routes to high performance in a SQL Server database is the index. Indexes speed up the querying process by providing swift access to rows in the data tables, similarly to the way a book’s index helps you find information quickly within that book. The primary reason indexes ...
Chapter 15
... To preserve integrity of data, the database system must ensure: Atomicity: Either all operations of the transaction are properly reflected in the database or none are. Consistency: Execution of a transaction in isolation preserves the consistency of the database. Isolation: Each transaction mu ...
... To preserve integrity of data, the database system must ensure: Atomicity: Either all operations of the transaction are properly reflected in the database or none are. Consistency: Execution of a transaction in isolation preserves the consistency of the database. Isolation: Each transaction mu ...
Generic Model Organism Database
... Presentation Assumption What do we understand: • Sequencing and computational genomics process • The output from different groups What we do not understand: • The end goal • Database (DBMS) and web service technologies ...
... Presentation Assumption What do we understand: • Sequencing and computational genomics process • The output from different groups What we do not understand: • The end goal • Database (DBMS) and web service technologies ...
Byzantium: Byzantine-Fault-Tolerant Database Replication Providing Snapshot Isolation
... control mechanism, the second transaction will either block until the first one commits or will have to abort due to serializability problems at commit time). With SI, as only write-write conflicts must be avoided, both transactions can execute concurrently. This difference not only allows increased ...
... control mechanism, the second transaction will either block until the first one commits or will have to abort due to serializability problems at commit time). With SI, as only write-write conflicts must be avoided, both transactions can execute concurrently. This difference not only allows increased ...
SQL Query Dissembler –A Self Optimizing Autonomic
... explosion. Now, to manage effectively such large volumes of information DBMSs have been widely used. The database management system (DBMS) has been very successful over the last half-century history. According to an IDC report made by C. Olofson [1] in 2006, the worldwide market for DBMS software wa ...
... explosion. Now, to manage effectively such large volumes of information DBMSs have been widely used. The database management system (DBMS) has been very successful over the last half-century history. According to an IDC report made by C. Olofson [1] in 2006, the worldwide market for DBMS software wa ...
Database
... – Statement - This allows the execution of arbitrary statements on the database. – PreparedStatement - This kind of statement allows the program to execute the same SQL command repeatedly, while allowing substitutions for particular words or values (to make it more useful). – CallableStatement - Thi ...
... – Statement - This allows the execution of arbitrary statements on the database. – PreparedStatement - This kind of statement allows the program to execute the same SQL command repeatedly, while allowing substitutions for particular words or values (to make it more useful). – CallableStatement - Thi ...
Database System Concepts and Architecture
... from the miniworld that is described in the database. An attribute represents some property of interest that further describes an entity, such as the employee’s name or salary. A relationship among two or more entities represents an association among the entities, for example, a works-on relationshi ...
... from the miniworld that is described in the database. An attribute represents some property of interest that further describes an entity, such as the employee’s name or salary. A relationship among two or more entities represents an association among the entities, for example, a works-on relationshi ...
Database transaction
... [3]Repeated Read: The rows returned by a query in this case are committed when the transaction was started. The changes made are not present in the transaction and hence do not appear in the query result. [4]Serializable: In this level, transactions occur in a completely isolated fashion, serially o ...
... [3]Repeated Read: The rows returned by a query in this case are committed when the transaction was started. The changes made are not present in the transaction and hence do not appear in the query result. [4]Serializable: In this level, transactions occur in a completely isolated fashion, serially o ...
Administrator Guide
... You should understand the use of these, and incorporate them in your backup and recovery procedures. Note that these system level failure protections are not sufficient on their own for full protection of your database. ...
... You should understand the use of these, and incorporate them in your backup and recovery procedures. Note that these system level failure protections are not sufficient on their own for full protection of your database. ...
An Oracle Instance
... databases, even if they reside on platforms with different hardware and software configurations. Export extracts the object definitions and table data from an Oracle database and stores them in an Oracle binary-format Export dump file located typically on disk or tape. Such files can then be copied ...
... databases, even if they reside on platforms with different hardware and software configurations. Export extracts the object definitions and table data from an Oracle database and stores them in an Oracle binary-format Export dump file located typically on disk or tape. Such files can then be copied ...
Module 1: Introduction
... where loan.loan_number = borrower.loan_number and borrower.customer_name = depositor.customer_name and depositor.account_number = account.account_number and account.balance >= 1000))) ...
... where loan.loan_number = borrower.loan_number and borrower.customer_name = depositor.customer_name and depositor.account_number = account.account_number and account.balance >= 1000))) ...
Database Magic
... organized by records and fields and can be easily searched to quickly retrieve the desired information by sorting or filtering the data. The simplest computer database is nothing more than an electronic filing system that can be easily searched and organized. Databases exist in hardcopy as well, suc ...
... organized by records and fields and can be easily searched to quickly retrieve the desired information by sorting or filtering the data. The simplest computer database is nothing more than an electronic filing system that can be easily searched and organized. Databases exist in hardcopy as well, suc ...
System Administration Certification exam 918 for IBM Informix
... A sensor is a specialized TASK for collecting and saving data. A sensor can be created the same way as a task by inserting a row in the ph_task table, with some additional information. To set up a new sensor, you need to plan first. You need to have: • A description of the sensor • The result table ...
... A sensor is a specialized TASK for collecting and saving data. A sensor can be created the same way as a task by inserting a row in the ph_task table, with some additional information. To set up a new sensor, you need to plan first. You need to have: • A description of the sensor • The result table ...
Oracle Database In-Memory with Oracle`s JD Edwards EnterpriseOne
... value within the data, they do require additional resources, and the data within them can only be as current as the rate at which it is refreshed from the ERP system. ...
... value within the data, they do require additional resources, and the data within them can only be as current as the rate at which it is refreshed from the ERP system. ...
MAA / Data Guard 12c Setup Guide Creating a RAC Physical
... Note: Recommended to use SPFILE, if PFILE is in use the update/append the above parameters as required. 2. Configure the RAC primary database initialization parameters to support standby role. SQL> alter system set FAL_SERVER='stdrac1,stdrac2' scope=both sid='*' DB_FILE_NAME_CONVERT/LOG_FILE_NAME_CO ...
... Note: Recommended to use SPFILE, if PFILE is in use the update/append the above parameters as required. 2. Configure the RAC primary database initialization parameters to support standby role. SQL> alter system set FAL_SERVER='stdrac1,stdrac2' scope=both sid='*' DB_FILE_NAME_CONVERT/LOG_FILE_NAME_CO ...
D.B.M.S Questions
... ODBC achieve portabilit y at the level of the execution by introducing an extra level of indirection. All direct interaction with a specific DBMS happens through a DBMS -specific driver. A driver is a software program that translates the ODBC calls into DBMS -specific calls. As the DBMS, which is ac ...
... ODBC achieve portabilit y at the level of the execution by introducing an extra level of indirection. All direct interaction with a specific DBMS happens through a DBMS -specific driver. A driver is a software program that translates the ODBC calls into DBMS -specific calls. As the DBMS, which is ac ...
Oracle Database 12c Essentials Exam Study Guide
... Oracle Database 12c Essentials exam audience defines the type of participants who are likely to pass the exam and targets individuals with a specific level of education and expertise: ...
... Oracle Database 12c Essentials exam audience defines the type of participants who are likely to pass the exam and targets individuals with a specific level of education and expertise: ...