Exam Discussion-AIC
... • Will each topic contain questions from all subjects mentioned in the title? – No. They represent the pool of information from which questions are asked. See also last year’s exam. ...
... • Will each topic contain questions from all subjects mentioned in the title? – No. They represent the pool of information from which questions are asked. See also last year’s exam. ...
11g General New Features
... • Plan changes are automatically verified in maintenance window • Only comparable or better plans are used going forward ...
... • Plan changes are automatically verified in maintenance window • Only comparable or better plans are used going forward ...
Data Warehousing and NoSQL
... – … to social networks (… add links between people) – … to massive linked open data sets (web 3.0… one of them anyway) ...
... – … to social networks (… add links between people) – … to massive linked open data sets (web 3.0… one of them anyway) ...
ch4
... • Share data between Microsoft Office applications • Display data from two tables in one query • Total query aggregates results from groups of records to create summary information • Create Chart and Pivot • Create a user interface ...
... • Share data between Microsoft Office applications • Display data from two tables in one query • Total query aggregates results from groups of records to create summary information • Create Chart and Pivot • Create a user interface ...
nov09
... Relationships • We want to tell Access that there is a relationship between the tables, so we can create meaningful query. • One-to-many is most common – “Each city has one or more employees.” – Now, query will return 3 results instead of 6: ...
... Relationships • We want to tell Access that there is a relationship between the tables, so we can create meaningful query. • One-to-many is most common – “Each city has one or more employees.” – Now, query will return 3 results instead of 6: ...
Object Oriented Databases
... This supports parent-child relationships between data similar to a tree data structure where object types are represented by nodes and their relationships are represented by arcs. This model is restrictive in that it only allows one to many relationship ( a parent can have many children but a child ...
... This supports parent-child relationships between data similar to a tree data structure where object types are represented by nodes and their relationships are represented by arcs. This model is restrictive in that it only allows one to many relationship ( a parent can have many children but a child ...
Supply Chain Enterprise Resources Planning and Business
... situations and helps users make decisions like an expert ...
... situations and helps users make decisions like an expert ...
Introduction - University of Toronto
... – Users can specify some simple integrity constraints on the data, and the DBMS will enforce these constraints. – Beyond this, the DBMS does not really understand the semantics of the data. – Thus, ensuring that a transaction (run alone) preserves consistency is ultimately the user’s responsibility! ...
... – Users can specify some simple integrity constraints on the data, and the DBMS will enforce these constraints. – Beyond this, the DBMS does not really understand the semantics of the data. – Thus, ensuring that a transaction (run alone) preserves consistency is ultimately the user’s responsibility! ...
Saimaa University of Applied Sciences Faculty of Technology Lappeenranta Double Degree Information Technology
... and look at the row structure. If the row contains only one column, it is the name of the workspace or the name of the attribute. Row with two or more columns contains information about the attribute. Resolution of the name of the workspace and the name of the attribute was possible by founding, if ...
... and look at the row structure. If the row contains only one column, it is the name of the workspace or the name of the attribute. Row with two or more columns contains information about the attribute. Resolution of the name of the workspace and the name of the attribute was possible by founding, if ...
Database basics
... Data definition – the facility through which schema is defined. (how new tables are created). SQL interface – the facility through which SQL commands are typed in. Programming language interface – the facility which processes SQL commands embedded in application program. Also known as the host langu ...
... Data definition – the facility through which schema is defined. (how new tables are created). SQL interface – the facility through which SQL commands are typed in. Programming language interface – the facility which processes SQL commands embedded in application program. Also known as the host langu ...
Document
... Extracting characters • The RIGHT and LEFT functions let you extract characters from the right and left side of a cell, ...
... Extracting characters • The RIGHT and LEFT functions let you extract characters from the right and left side of a cell, ...
LOYOLA COLLEGE (AUTONOMOUS), CHENNAI – 600 034
... 1. What is a database? Explain with an illustration. 2. Write any four major sectors in which Database concepts applied very much. 3. Define Data Manipulation Language. 4. What is meant by Entity-Relationship Model? Explain by an example 5. Define Physical Data Independence in DBMS and give an examp ...
... 1. What is a database? Explain with an illustration. 2. Write any four major sectors in which Database concepts applied very much. 3. Define Data Manipulation Language. 4. What is meant by Entity-Relationship Model? Explain by an example 5. Define Physical Data Independence in DBMS and give an examp ...
Document
... A benefit that database software has over paper databases is the ease with which reports can be created. A report is an ordered list of selected records and fields in an easy-to-read format. Reports can display data in columns, as labels, or as single records. Reports are usually printed on paper. ...
... A benefit that database software has over paper databases is the ease with which reports can be created. A report is an ordered list of selected records and fields in an easy-to-read format. Reports can display data in columns, as labels, or as single records. Reports are usually printed on paper. ...
CellStore - the Vision of Pure Object Database
... 2. it is possible to store many different object models The second advantage is a more important one. It allows to store different data (class-based objects, prototype-based objects, XML data and even relational data) together in the same database. Thus CellStore can act as a pure object database or ...
... 2. it is possible to store many different object models The second advantage is a more important one. It allows to store different data (class-based objects, prototype-based objects, XML data and even relational data) together in the same database. Thus CellStore can act as a pure object database or ...
14. Lorel
... OA is a data structure containing slots for range variables with additional slots depending on the query. Each slot within an OA will holds the oid of a vertex on a path being considered by the query engine. We should end up at the end of a query with complete ...
... OA is a data structure containing slots for range variables with additional slots depending on the query. Each slot within an OA will holds the oid of a vertex on a path being considered by the query engine. We should end up at the end of a query with complete ...
Spring 2012 Professor Emile Chungtien Chi
... assignments. May be done in groups of at most 2 students Midterm Exam in class 25% Will test both theory and programming skills. Individual Final Exam takehome 30% Will test both theory and programming skills. Individual Quiz in class 5% Pop quiz not announced in advance Project 10% One larger progr ...
... assignments. May be done in groups of at most 2 students Midterm Exam in class 25% Will test both theory and programming skills. Individual Final Exam takehome 30% Will test both theory and programming skills. Individual Quiz in class 5% Pop quiz not announced in advance Project 10% One larger progr ...
CONCURRENCY CONTROL WITH LOCKING METHODS
... • The data cache or buffer cache is a shared, reserved memory area that stores the most recently accessed data blocks in RAM. • The SQL cache or procedure cache is a shared, reserved memory area that stores the most recently executed SQL statements or PL/SQL procedures. • To work with the data, the ...
... • The data cache or buffer cache is a shared, reserved memory area that stores the most recently accessed data blocks in RAM. • The SQL cache or procedure cache is a shared, reserved memory area that stores the most recently executed SQL statements or PL/SQL procedures. • To work with the data, the ...
Course Information and Introduction to Data Management
... Support for higher level user interfaces: graphical, natural language, form-based,… ...
... Support for higher level user interfaces: graphical, natural language, form-based,… ...
LN1 - WSU EECS
... “buried” in program code rather than being stated explicitly – Hard to add new constraints or change existing ones ...
... “buried” in program code rather than being stated explicitly – Hard to add new constraints or change existing ones ...
Introduction to Database Systems by M Bozyigit
... DBMS ensures that execution of {T1, ... , Tn} is equivalent to some serial execution T1’ ... Tn’. Before reading/ writing an object, a transaction requests a lock on the object, and waits till the DBMS gives it the lock. All locks are released at the end of the transaction. (Needs a proper locki ...
... DBMS ensures that execution of {T1, ... , Tn} is equivalent to some serial execution T1’ ... Tn’. Before reading/ writing an object, a transaction requests a lock on the object, and waits till the DBMS gives it the lock. All locks are released at the end of the transaction. (Needs a proper locki ...
ch01
... great amount of disk space and internal memory. Also, because all the data that the database manages for you is stored in one file, the database file itself requires a large amount of disk space and internal memory. ...
... great amount of disk space and internal memory. Also, because all the data that the database manages for you is stored in one file, the database file itself requires a large amount of disk space and internal memory. ...
Introduction to Database Systems
... Users can specify some simple integrity constraints on the data, and the DBMS will enforce these constraints. Beyond this, the DBMS does not really understand the semantics of the data. (e.g., it does not understand how the interest on a bank account is computed). Thus, ensuring that a transaction ( ...
... Users can specify some simple integrity constraints on the data, and the DBMS will enforce these constraints. Beyond this, the DBMS does not really understand the semantics of the data. (e.g., it does not understand how the interest on a bank account is computed). Thus, ensuring that a transaction ( ...
Organization03
... Jeff Ullman's Normalization Transparencies (only transparencies 1-6 are relevant; the others discuss relational algebra; will not be used in lecture) ...
... Jeff Ullman's Normalization Transparencies (only transparencies 1-6 are relevant; the others discuss relational algebra; will not be used in lecture) ...