Database Use and Purpose - A database is a tool used to organize
... A. Filters allow for the retrieval of information that meets specific criteria. 1. Filter by Selection – filters for information related to an active cell 2. Filter/Advanced Filter Sort – used to define specific search criteria B. Sorts allow for information to be arranged in a specific order such a ...
... A. Filters allow for the retrieval of information that meets specific criteria. 1. Filter by Selection – filters for information related to an active cell 2. Filter/Advanced Filter Sort – used to define specific search criteria B. Sorts allow for information to be arranged in a specific order such a ...
Introduction
... statistics, and indexes (special data structures for efficient access) CPSC 310/603 ...
... statistics, and indexes (special data structures for efficient access) CPSC 310/603 ...
View File
... then most recent copy of DB to be recovered is mounted, and all transactions that have occurred since that copy are rerun. simplicity (no need to create DB change journal, no restart procedures) ...
... then most recent copy of DB to be recovered is mounted, and all transactions that have occurred since that copy are rerun. simplicity (no need to create DB change journal, no restart procedures) ...
handout
... Decide what facts (attributes) you need to know about each entity, e.g. an Employee’s date of birth, salary. Attributes are represented by fields in the tables Decide on the relationships between the entities in the database; i.e. what attributes do they have in common. Relationships are formed in t ...
... Decide what facts (attributes) you need to know about each entity, e.g. an Employee’s date of birth, salary. Attributes are represented by fields in the tables Decide on the relationships between the entities in the database; i.e. what attributes do they have in common. Relationships are formed in t ...
BS1904wA
... » You can change a text box into any autoshape » But it’s hard to add text to most other drawing objects » Use “No Fill” to avoid obscuring objects behind shape (filling with white looks similar, but obscures them) » Don’t rely on fill to hide things, it fails on some printers! BS1904 Week 10 ...
... » You can change a text box into any autoshape » But it’s hard to add text to most other drawing objects » Use “No Fill” to avoid obscuring objects behind shape (filling with white looks similar, but obscures them) » Don’t rely on fill to hide things, it fails on some printers! BS1904 Week 10 ...
eLL
... • SQL = Structured Query Language • (DML – Data Manipulation Language included) • A declarative programming language (telling the computer what to do – not how to do it by means of algoritms like imperative programming languages) SQL tells the database management system what to do and to do the ac ...
... • SQL = Structured Query Language • (DML – Data Manipulation Language included) • A declarative programming language (telling the computer what to do – not how to do it by means of algoritms like imperative programming languages) SQL tells the database management system what to do and to do the ac ...
Review Questions 5
... In data warehouse design, Extraction, Transformation, and Loading refers to … A) the process of extracting data from a data warehouse, transforming it, and adding it to internal and external databases. B) the process of extracting data from data marts, transforming it, and adding it to a data wareho ...
... In data warehouse design, Extraction, Transformation, and Loading refers to … A) the process of extracting data from a data warehouse, transforming it, and adding it to internal and external databases. B) the process of extracting data from data marts, transforming it, and adding it to a data wareho ...
Pr sentation PowerPoint
... Existing SQL queries continue to run No re-coding required for legacy applications Access control can be based on existing database security • No need to set up and maintain a separate security policy • Existing users continue to have the same data access rights ...
... Existing SQL queries continue to run No re-coding required for legacy applications Access control can be based on existing database security • No need to set up and maintain a separate security policy • Existing users continue to have the same data access rights ...
Slides
... What’s a database? • In essence a database is nothing more than a collection of information that exists over a long period of time. • Databases are empowered by a body of knowledge and technology embodied in specialized software called a database management system, or DBMS. • A DBMS is a powerful t ...
... What’s a database? • In essence a database is nothing more than a collection of information that exists over a long period of time. • Databases are empowered by a body of knowledge and technology embodied in specialized software called a database management system, or DBMS. • A DBMS is a powerful t ...
Database
... Database systems also have some programming capability Often using SQL (see later) Allows for accessing and manipulating data to form a report or to answer a query. ...
... Database systems also have some programming capability Often using SQL (see later) Allows for accessing and manipulating data to form a report or to answer a query. ...
New York Board of Trade
... Center and Primary Trading floor T1 connection between Primary Trading floor and Backup facility T3 connection between Primary Data Center and Backup facility ...
... Center and Primary Trading floor T1 connection between Primary Trading floor and Backup facility T3 connection between Primary Data Center and Backup facility ...
Operations 2
... 1. Least privilege: a user or software component should be given no more privilege - that is, no further access information and resources - than what is necessary to perform its assigned task – “need-to-know” principle for classified ...
... 1. Least privilege: a user or software component should be given no more privilege - that is, no further access information and resources - than what is necessary to perform its assigned task – “need-to-know” principle for classified ...
Security Measure to Protect and Back Up Data
... “policies” which the system will execute automatically. Application databases are backed up on a daily basis and in multiple ways. For example, the database for the College’s core ERP system (Banner) resides in an Oracle database. Offline backups of the database files are created each night as well ...
... “policies” which the system will execute automatically. Application databases are backed up on a daily basis and in multiple ways. For example, the database for the College’s core ERP system (Banner) resides in an Oracle database. Offline backups of the database files are created each night as well ...
Physical Database Design Presentation
... What types of indices are used? Indexes are frequently stored in a structure called a B+-tree. Other types of indices are: Bitmap index. Identifies the value of a given column in a given row as being “true/on” or “false/off”. Join index. Creates an index for multiple tables that are commonly joined ...
... What types of indices are used? Indexes are frequently stored in a structure called a B+-tree. Other types of indices are: Bitmap index. Identifies the value of a given column in a given row as being “true/on” or “false/off”. Join index. Creates an index for multiple tables that are commonly joined ...
Lecture 10 Creating and Maintaining Geographic Databases
... Two-dimensional list (array) Rows = objects Columns = object states (properties, attributes) ...
... Two-dimensional list (array) Rows = objects Columns = object states (properties, attributes) ...
Performance Tuning SQL Server
... • Estimate well, auto-grow creates virtual files, increasing recovery time ...
... • Estimate well, auto-grow creates virtual files, increasing recovery time ...
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 ...
Overview of Databases and Transaction Processing
... • Low Response Time: on-line => users are waiting ...
... • Low Response Time: on-line => users are waiting ...
Functions of a DBMS
... FOREIGN KEY attribute-name REFERENCES parent-table The parent table must already have a primary key defined ...
... FOREIGN KEY attribute-name REFERENCES parent-table The parent table must already have a primary key defined ...
Introduction to Database Systems
... unnecessarily distracted by the shiny, new-fangled, NoSQL red buttons just yet. Relational databases may not be hot or sexy but for your important data there is no substitute.” ...
... unnecessarily distracted by the shiny, new-fangled, NoSQL red buttons just yet. Relational databases may not be hot or sexy but for your important data there is no substitute.” ...
Quiz 3 - Suraj @ LUMS
... a. (1 point) Is the schema in 3NF (TRUE) b. (2 points) Denormalize the schema for efficient query processing. Show all attributes including primary and foreign keys and relationships (if any). Depending on the types of queries, the database schema can be denormalized by joining customer table with t ...
... a. (1 point) Is the schema in 3NF (TRUE) b. (2 points) Denormalize the schema for efficient query processing. Show all attributes including primary and foreign keys and relationships (if any). Depending on the types of queries, the database schema can be denormalized by joining customer table with t ...
