Rule 3: Systematic Treatment of NULL values
... PL/SQL can also directly be called from the command-line SQL*Plus interface. Direct call can also be made from external programming language calls to database. PL/SQL's general syntax is based on that of ADA and Pascal programming language. It offers a variety of programming structures. It ...
... PL/SQL can also directly be called from the command-line SQL*Plus interface. Direct call can also be made from external programming language calls to database. PL/SQL's general syntax is based on that of ADA and Pascal programming language. It offers a variety of programming structures. It ...
talk
... A NoSQL database provides a mechanism for storage and retrieval of data that is modeled in means other than the tabular relations used in relational databases. ...
... A NoSQL database provides a mechanism for storage and retrieval of data that is modeled in means other than the tabular relations used in relational databases. ...
Powerpoint - DrSQL.org
... When using constraints, there will always be a single object needed to do the entire job Check Constraint Foreign Key ...
... When using constraints, there will always be a single object needed to do the entire job Check Constraint Foreign Key ...
Microsoft Azure SQL Database Business Continuity and Auditing
... Writes are replicated to secondaries ...
... Writes are replicated to secondaries ...
1 Structured Query Language 2 DDL
... allow for dropping of constraints (such as indexes, etc.) on the table. The general syntax to modify a field (change its type, etc.) is: ALTER TABLE
MODIFY
Note that you can only do this to a certain extent on most databases. Just as with ‘drop’,
thi ...
... allow for dropping of constraints (such as indexes, etc.) on the table. The general syntax to modify a field (change its type, etc.) is: ALTER TABLE
Team Urban Science
... • Microsoft Silverlight • Main menu for manipulation, export and layout saving functionality • Sidebar for easily switching in and out different measures and dimensions • Spreadsheet representation of data into columns and rows • Silverlight built in functionalities (ex. Sorting) The Capstone Experi ...
... • Microsoft Silverlight • Main menu for manipulation, export and layout saving functionality • Sidebar for easily switching in and out different measures and dimensions • Spreadsheet representation of data into columns and rows • Silverlight built in functionalities (ex. Sorting) The Capstone Experi ...
BI Session-SQL_Server_Analysis_Services
... SQL is not used in OLAP databases MDX (multidimensional queries) is used for querying cubes DMX (Data Mining queries) is used for querying data mining ...
... SQL is not used in OLAP databases MDX (multidimensional queries) is used for querying cubes DMX (Data Mining queries) is used for querying data mining ...
Investigating Distributed Database Systems
... memory module or disk through some fast connection (e.g. LAN or cross-bar switch) Shared-disk: Each PE has exclusive access to its own memory, but shared access to any disk via a fast connection. PE accesses DB pages on shared disk and copy to local cache ...
... memory module or disk through some fast connection (e.g. LAN or cross-bar switch) Shared-disk: Each PE has exclusive access to its own memory, but shared access to any disk via a fast connection. PE accesses DB pages on shared disk and copy to local cache ...
The Web and data management
... A performance Web sites are expected to be entertaining as well as informative The Web site defines the firm for many stakeholders • The shop window or building facade ...
... A performance Web sites are expected to be entertaining as well as informative The Web site defines the firm for many stakeholders • The shop window or building facade ...
dba120_01_audio
... • Each occurrence of data in one entity is represented by only one occurrence of data in the other entity • Example: Each individual has just one Social Security Number (SSN) and each SSN is assigned to just one person ...
... • Each occurrence of data in one entity is represented by only one occurrence of data in the other entity • Example: Each individual has just one Social Security Number (SSN) and each SSN is assigned to just one person ...
Subqueries and Joining
... MovieInformation database, we get a result with 49 rows… • 49 = 7 x 7. All combinations of Movie records (7) and Actor records (7) • All fields from both tables are included • This is rarely what we want… SWC – 2011 ...
... MovieInformation database, we get a result with 49 rows… • 49 = 7 x 7. All combinations of Movie records (7) and Actor records (7) • All fields from both tables are included • This is rarely what we want… SWC – 2011 ...
Replication
... number range, different for each server 2.add a server identifier to the primary key 3.replicate into separate tables and read all of the data through a union view; to deal with the potential of duplicate keys in the UNION, a pseudocolumn would be used to represent the source database ...
... number range, different for each server 2.add a server identifier to the primary key 3.replicate into separate tables and read all of the data through a union view; to deal with the potential of duplicate keys in the UNION, a pseudocolumn would be used to represent the source database ...
Tech Guide D
... Using Aggregate Functions in SQL SQL can be used to compute certain values in ...
... Using Aggregate Functions in SQL SQL can be used to compute certain values in ...
Using an SQL Transformation in an Informatica Developer Mapping
... The SQL transformation returns two rows for each input row. The transformation returns one row for the SELECT statement and another row for the UPDATE statement in the query. When a query contains a SELECT clause, the SQL transformation returns the data in the output ports, the pass-through ports, ...
... The SQL transformation returns two rows for each input row. The transformation returns one row for the SELECT statement and another row for the UPDATE statement in the query. When a query contains a SELECT clause, the SQL transformation returns the data in the output ports, the pass-through ports, ...
Data Warehouse and OLAP
... support data analysis and decision making Traditional (operational) databases facilitate data management and transaction processing. They have two limitations for data analysis and decision support ...
... support data analysis and decision making Traditional (operational) databases facilitate data management and transaction processing. They have two limitations for data analysis and decision support ...
ids_opensource_jleffler
... • Separates static and dynamic SQL. • Even though Informix does not really do so. int main(void) { EXEC SQL WHENEVER ERROR STOP; EXEC SQL DATABASE Stores; EXEC SQL BEGIN WORK; EXEC SQL DROP TABLE Customer; EXEC SQL ROLLBACK WORK; return(0); ...
... • Separates static and dynamic SQL. • Even though Informix does not really do so. int main(void) { EXEC SQL WHENEVER ERROR STOP; EXEC SQL DATABASE Stores; EXEC SQL BEGIN WORK; EXEC SQL DROP TABLE Customer; EXEC SQL ROLLBACK WORK; return(0); ...
Visual Basic Database Access
... tables and relationships between tables. • DataAdapter: This the object used to pass data between the database and the dataset. ...
... tables and relationships between tables. • DataAdapter: This the object used to pass data between the database and the dataset. ...
IR in P2P, relational data, OpenURL, and full
... • “The Open Directory Project is the largest, most comprehensive human-edited directory of the Web. It is constructed and maintained by a vast, global community of volunteer editors.” • Claim that there is a historic precedence in the ...
... • “The Open Directory Project is the largest, most comprehensive human-edited directory of the Web. It is constructed and maintained by a vast, global community of volunteer editors.” • Claim that there is a historic precedence in the ...
Project Planning Services Data Integration
... Loading data into the PPSDB database from the PPS Core Data Database (MS Access) using VB Scripts 14) I provided you with an MS Access database called PPS Core Data. This contains the offices, consultants, clients and the projects for each client. In order to do this, we will be creating a Script T ...
... Loading data into the PPSDB database from the PPS Core Data Database (MS Access) using VB Scripts 14) I provided you with an MS Access database called PPS Core Data. This contains the offices, consultants, clients and the projects for each client. In order to do this, we will be creating a Script T ...
sql101-webdev-nov-2012
... I like “Learn SQL the hard way” http://sql.learncodethehardway.org/book/ (coaches you through creating a SQLite db on your local computer, entering data into it, and then running queries on it) Why is it “the hard way”? Enforces precision, attention to detail, and persistence by requiring you to ty ...
... I like “Learn SQL the hard way” http://sql.learncodethehardway.org/book/ (coaches you through creating a SQLite db on your local computer, entering data into it, and then running queries on it) Why is it “the hard way”? Enforces precision, attention to detail, and persistence by requiring you to ty ...
CGI
... • A plain HTML document is static • A CGI program is executed in real-time, so that it can output dynamic information. • CGI (Common Gateway Interface) is the language or protocol that the browser uses to communicate the data from the form to the web server. • A standard for interfacing external app ...
... • A plain HTML document is static • A CGI program is executed in real-time, so that it can output dynamic information. • CGI (Common Gateway Interface) is the language or protocol that the browser uses to communicate the data from the form to the web server. • A standard for interfacing external app ...
The origins and evolution of database technology and a brief
... be created and maintained individually, therefore, the larger the site the higher the maintenance costs. Each time a consumer visits a static web site they will see the same exact pages until the content is physically changed by the webmaster. Conversely, a dynamic Internet site requires the constru ...
... be created and maintained individually, therefore, the larger the site the higher the maintenance costs. Each time a consumer visits a static web site they will see the same exact pages until the content is physically changed by the webmaster. Conversely, a dynamic Internet site requires the constru ...
MAY Using List of Values to Query Database
... When you need to bring additional fields into an existing report or form created in Oracle BI, you must first modify the BI Data Model SQL syntax to include those fields. To do this, you must know the table name and the field name. If you do not know what these are, you can use the “List of Values” ...
... When you need to bring additional fields into an existing report or form created in Oracle BI, you must first modify the BI Data Model SQL syntax to include those fields. To do this, you must know the table name and the field name. If you do not know what these are, you can use the “List of Values” ...
ABM VIZ - the Atlanta Regional Commission
... ABM Visualization & Reporting System Activity-Based Model (Java, Cube) ...
... ABM Visualization & Reporting System Activity-Based Model (Java, Cube) ...