ADVANCED SQL AND PL/SQL TOPICS
... instance with the specified database. This is a mounted database • Multiple instances can run concurrently on the same computer, each accessing its own physical database • Security for database startup and shutdown is controlled through connections to Oracle with administrator privileges. Normal use ...
... instance with the specified database. This is a mounted database • Multiple instances can run concurrently on the same computer, each accessing its own physical database • Security for database startup and shutdown is controlled through connections to Oracle with administrator privileges. Normal use ...
Database System Development Lifecycle
... mission statement. Defines major aims of database system. Helps clarify purpose of the database system and provides clearer path towards the efficient and effective creation of required database system. ...
... mission statement. Defines major aims of database system. Helps clarify purpose of the database system and provides clearer path towards the efficient and effective creation of required database system. ...
Replikacja_en
... 3. Characteristic of particular schemes of replication 3.1. Eager Group Replication Eager Group replication scheme is presented in Fig. 1a. This kind of replication contains master nodes M, which are equal to each other. Each of them has the opportunity of data changing and those changes propagation ...
... 3. Characteristic of particular schemes of replication 3.1. Eager Group Replication Eager Group replication scheme is presented in Fig. 1a. This kind of replication contains master nodes M, which are equal to each other. Each of them has the opportunity of data changing and those changes propagation ...
Databases and DB Management Systems
... ____ 21. Database design takes place within the confines of an information system. ____ 22. During the initial stages of the implementation phase, the system enters into a cycle of coding, testing, and debugging. ____ 23. Once a transaction has been guaranteed access to the database, it may manipul ...
... ____ 21. Database design takes place within the confines of an information system. ____ 22. During the initial stages of the implementation phase, the system enters into a cycle of coding, testing, and debugging. ____ 23. Once a transaction has been guaranteed access to the database, it may manipul ...
Efficient, hot & automatic oracle database cloning
... done _wait_for_all_children_to_finish_barrier ...
... done _wait_for_all_children_to_finish_barrier ...
Client-Server Architecture
... • File-server is connected to several workstations across a network. • Database resides on file-server. • DBMS and applications run on each workstation. • Disadvantages include: – Significant network traffic. – Copy of DBMS on each workstation. – Concurrency, recovery and integrity control more comp ...
... • File-server is connected to several workstations across a network. • Database resides on file-server. • DBMS and applications run on each workstation. • Disadvantages include: – Significant network traffic. – Copy of DBMS on each workstation. – Concurrency, recovery and integrity control more comp ...
Database System Architectures
... Databases Atomicity needed even for transactions that update data at multiple sites The two-phase commit protocol (2PC) is used to ensure atomicity z ...
... Databases Atomicity needed even for transactions that update data at multiple sites The two-phase commit protocol (2PC) is used to ensure atomicity z ...
Database
... section of the end-user population. They use previously well-defined functions in the form of “canned transactions” against the database. Examples are bank-tellers or reservation clerks who do this activity for an entire shift of operations. Graduate School of Information Technology Mahanakorn Unive ...
... section of the end-user population. They use previously well-defined functions in the form of “canned transactions” against the database. Examples are bank-tellers or reservation clerks who do this activity for an entire shift of operations. Graduate School of Information Technology Mahanakorn Unive ...
Database System Architectures
... Implementation Issues for Distributed Databases Atomicity needed even for transactions that update data at multiple sites The two-phase commit protocol (2PC) is used to ensure atomicity ...
... Implementation Issues for Distributed Databases Atomicity needed even for transactions that update data at multiple sites The two-phase commit protocol (2PC) is used to ensure atomicity ...
Database System Architectures
... Implementation Issues for Distributed Databases Atomicity needed even for transactions that update data at multiple sites The two-phase commit protocol (2PC) is used to ensure atomicity ...
... Implementation Issues for Distributed Databases Atomicity needed even for transactions that update data at multiple sites The two-phase commit protocol (2PC) is used to ensure atomicity ...
Distributed Database System
... • one copy of each object is designated as the primary copy. • primary copies of different objects will generally be at different sites. • Update Operation 1. Complete as soon as the primary copy has been updated. 2. Control is returned and the transaction can continue execute. 3. The site holding t ...
... • one copy of each object is designated as the primary copy. • primary copies of different objects will generally be at different sites. • Update Operation 1. Complete as soon as the primary copy has been updated. 2. Control is returned and the transaction can continue execute. 3. The site holding t ...
Chapter 7
... Data Integrity refers to the accuracy of the data in a database. GIGO, or Garbage In Garbage Out, refers to the fact that inaccurate data entered in a database will result in inaccurate information produced from the database. ...
... Data Integrity refers to the accuracy of the data in a database. GIGO, or Garbage In Garbage Out, refers to the fact that inaccurate data entered in a database will result in inaccurate information produced from the database. ...
AT SITE A
... • one copy of each object is designated as the primary copy. • primary copies of different objects will generally be at different sites. • Update Operation 1. Complete as soon as the primary copy has been updated. 2. Control is returned and the transaction can continue execute. 3. The site holding t ...
... • one copy of each object is designated as the primary copy. • primary copies of different objects will generally be at different sites. • Update Operation 1. Complete as soon as the primary copy has been updated. 2. Control is returned and the transaction can continue execute. 3. The site holding t ...
Difference between Windows Authentication and SQL
... Difference between Windows Authentication and SQL Server Authentication. What is your preference? What are the different roles in SQL Server? You have a client who needs to be able execute stored procedure. What kind of permission does the user need? Serveradmin role & DDL (Data Definition Language) ...
... Difference between Windows Authentication and SQL Server Authentication. What is your preference? What are the different roles in SQL Server? You have a client who needs to be able execute stored procedure. What kind of permission does the user need? Serveradmin role & DDL (Data Definition Language) ...
CS 432_Wk6_DataAccessLayer
... Review the logical data model. Create a table for each entity. Create fields for each attribute. Create an index for each primary and secondary key. ...
... Review the logical data model. Create a table for each entity. Create fields for each attribute. Create an index for each primary and secondary key. ...
Reading summary
... • Task rescheduling and master checkpoints to handle failures • Backup tasks to deal with “stragglers” Reference: Jeffrey Dean, et. al. “MapReduce: Simplified Data Processing on Large Clusters”. ...
... • Task rescheduling and master checkpoints to handle failures • Backup tasks to deal with “stragglers” Reference: Jeffrey Dean, et. al. “MapReduce: Simplified Data Processing on Large Clusters”. ...
Document
... data types: To identify the type of data and associated operations for handling it. Null values: If a column in a row has no value then it is said to NULL. The Null should not be used as a Zero value. Nulls can appear in columns of any data type provided they are not restricted by NOT NULL or PR ...
... data types: To identify the type of data and associated operations for handling it. Null values: If a column in a row has no value then it is said to NULL. The Null should not be used as a Zero value. Nulls can appear in columns of any data type provided they are not restricted by NOT NULL or PR ...
PowerPoint Presentation handout
... Powerful structure to develop queries to find specific information ...
... Powerful structure to develop queries to find specific information ...
slides - Indico
... utilize spare cycles to run jobs The priority has the owner of resource ATLAS jobs are often put to hibernate Thus optimal jobs are shorter, i.e. only few events Resulting in order of magnitude more frequent database access Jobs put to hibernation during the initialization phase overload C ...
... utilize spare cycles to run jobs The priority has the owner of resource ATLAS jobs are often put to hibernate Thus optimal jobs are shorter, i.e. only few events Resulting in order of magnitude more frequent database access Jobs put to hibernation during the initialization phase overload C ...
Notes on Stored Procedures - Rose
... Shadow information is any data that objects need to maintain, above and beyond their normal domain data, to persist themselves. This typically includes primary key information, particularly when the primary key is a surrogate key that has no business meaning, concurrency control markings such as tim ...
... Shadow information is any data that objects need to maintain, above and beyond their normal domain data, to persist themselves. This typically includes primary key information, particularly when the primary key is a surrogate key that has no business meaning, concurrency control markings such as tim ...