Using SAS Indexes with Large Databases
... The paper demonstrates some techniques not documented in SASonline and hardcopy manuals, but which have been described at the SAS website and recent User-Group presentations. The purpose of the paper is to help spread the word. We relate our own experiences on MS Windows and SUN Unix platforms usi ...
... The paper demonstrates some techniques not documented in SASonline and hardcopy manuals, but which have been described at the SAS website and recent User-Group presentations. The purpose of the paper is to help spread the word. We relate our own experiences on MS Windows and SUN Unix platforms usi ...
Procedure to Setup Microsoft SQL Server 7
... After restarting the computer, you will see a small icon as shown below (in green color) on the Task Bar (to the extreme right), which indicates that the SQL Server ...
... After restarting the computer, you will see a small icon as shown below (in green color) on the Task Bar (to the extreme right), which indicates that the SQL Server ...
slides
... Session Identification: When a user/client starts a session, the application service typically returns a unique session id (e.g. via a cookie) to the user/client's agent (e.g. a web browser). On subsequent requests which are part of the same session, the agent automatically sends that session id alo ...
... Session Identification: When a user/client starts a session, the application service typically returns a unique session id (e.g. via a cookie) to the user/client's agent (e.g. a web browser). On subsequent requests which are part of the same session, the agent automatically sends that session id alo ...
1. Introduction to SQL Tuning
... Application logic can be tuned. For example, a 3GL such as C or COBOL can incorporate array processing. PL/SQL can use bulk bind, available in Oracle8i. The database server itself can be tuned - the sized of memory areas such as the database buffer cache have a huge impact on overall performance. Al ...
... Application logic can be tuned. For example, a 3GL such as C or COBOL can incorporate array processing. PL/SQL can use bulk bind, available in Oracle8i. The database server itself can be tuned - the sized of memory areas such as the database buffer cache have a huge impact on overall performance. Al ...
Indexing in Database Systems
... In these text retrieval systems we work with words, word stems or phrases. Almost all of the relevance ranking techniques are based upon the work of Karen Spark-Jones in Cambridge (UK). Spark-Jones brought us what became known as the term frequency–inverse document frequency theory. The tf–idf weigh ...
... In these text retrieval systems we work with words, word stems or phrases. Almost all of the relevance ranking techniques are based upon the work of Karen Spark-Jones in Cambridge (UK). Spark-Jones brought us what became known as the term frequency–inverse document frequency theory. The tf–idf weigh ...
Oracle Database 11g: Security and Regulatory Compliance
... Data Classification • “We want to restrict access to data in our database on a need to know basis.” • “We want to label our customer accounts to assign highvalue accounts to strategic account managers.” • “We want to consolidate sensitive information in a single database for better business intellig ...
... Data Classification • “We want to restrict access to data in our database on a need to know basis.” • “We want to label our customer accounts to assign highvalue accounts to strategic account managers.” • “We want to consolidate sensitive information in a single database for better business intellig ...
ppt - Stanford University
... • Imagine a data warehouse for Safeway. • Suppose dimensions are: Customer, Product, Store, Day • If there are 100,000 customers, 10,000 products, 1,000 stores, and 1,000 days… • …data cube has 1,000,000,000,000,000 cells! • Fortunately, most cells are empty. • A given store doesn’t sell every produ ...
... • Imagine a data warehouse for Safeway. • Suppose dimensions are: Customer, Product, Store, Day • If there are 100,000 customers, 10,000 products, 1,000 stores, and 1,000 days… • …data cube has 1,000,000,000,000,000 cells! • Fortunately, most cells are empty. • A given store doesn’t sell every produ ...
object
... allow data to be manipulated directly from the programming language No need to go through SQL. No need for explicit format (type) changes format changes are carried out transparently by system Without a persistent programming language, format changes becomes a burden on the programmer – Mo ...
... allow data to be manipulated directly from the programming language No need to go through SQL. No need for explicit format (type) changes format changes are carried out transparently by system Without a persistent programming language, format changes becomes a burden on the programmer – Mo ...
A Functional View of Multilevel Databases
... Furthermore, if fl and f2 are two functions, then Level(f 1) GLevel(f2) if and only if any user who can compute f2 can also compute f 1. Justification of P 1: We need to show that any user who can compute g and h can also compute f Suppose a user can compute the functions g and h. An effective proce ...
... Furthermore, if fl and f2 are two functions, then Level(f 1) GLevel(f2) if and only if any user who can compute f2 can also compute f 1. Justification of P 1: We need to show that any user who can compute g and h can also compute f Suppose a user can compute the functions g and h. An effective proce ...
Importing Data into a Relational Database using Append Queries
... Importing Data into a Relational Database using Append Queries. Data can be imported into a database from a text file using append queries. This method is a good way of finding any invalid data (rejected records) and is also used when a primary key is missing in the text file. Create the database ta ...
... Importing Data into a Relational Database using Append Queries. Data can be imported into a database from a text file using append queries. This method is a good way of finding any invalid data (rejected records) and is also used when a primary key is missing in the text file. Create the database ta ...
Automated Resolution of Semantic Heterogeneity in
... Three major design approaches for multidatabase systems 1. Global-Schema Multidatabases 2. Federated database 3. Multidatabase Language Systems (The Summary Schemas Model is based on approach #3.) ...
... Three major design approaches for multidatabase systems 1. Global-Schema Multidatabases 2. Federated database 3. Multidatabase Language Systems (The Summary Schemas Model is based on approach #3.) ...
CIS560-Lecture-04-20080130 - Kansas State University
... Fundamental Relational-Algebra-Operations Additional Relational-Algebra-Operations Extended Relational-Algebra-Operations ...
... Fundamental Relational-Algebra-Operations Additional Relational-Algebra-Operations Extended Relational-Algebra-Operations ...
Sybase Adaptive Server Enterprise Performance and Tuning (5
... Sybase Adaptive Server Enterprise Performance and Tuning (5 Days) CTI 205 This course is designed to develop skills necessary to effectively troubleshoot and performance tune an Adaptive Server 12.5 Enterprise environment. Utilize Sybase Central to analyze performance statistics and tune cache ...
... Sybase Adaptive Server Enterprise Performance and Tuning (5 Days) CTI 205 This course is designed to develop skills necessary to effectively troubleshoot and performance tune an Adaptive Server 12.5 Enterprise environment. Utilize Sybase Central to analyze performance statistics and tune cache ...
Oracle Database Security (from the Application Perspective
... Supports multiple protocols (TCP/IP, DECnet, SPX/IPX, etc.) ...
... Supports multiple protocols (TCP/IP, DECnet, SPX/IPX, etc.) ...
marked
... reflected in the database or none are. Consistency. Execution of a transaction in isolation preserves the consistency of the database. Isolation. Although multiple transactions may execute concurrently, each transaction must be unaware of other concurrently executing transactions. Intermediate t ...
... reflected in the database or none are. Consistency. Execution of a transaction in isolation preserves the consistency of the database. Isolation. Although multiple transactions may execute concurrently, each transaction must be unaware of other concurrently executing transactions. Intermediate t ...
Semantics2
... • Plan and execute how to retrieve the data from its source • Transform data to global data model • Send to mediator For an SQL source, these are rather easy For a restricted capability source, may require • A series of queries on the source, or • A program to be executed (on a non-db source) • Filt ...
... • Plan and execute how to retrieve the data from its source • Transform data to global data model • Send to mediator For an SQL source, these are rather easy For a restricted capability source, may require • A series of queries on the source, or • A program to be executed (on a non-db source) • Filt ...
IMS (Information Management System) – IBM
... called DL/I calls. Other interfaces: SNA (System Network Architecture), TCP/IP, DRA (Database Resource Adapter) and products like Websphere MQ. Programming Languages supported: COBOL, PASCAL, C, Java, Assembler, REXX, PL/I Operating System: Runs on z/OS in a parallel sysplex environment, where multi ...
... called DL/I calls. Other interfaces: SNA (System Network Architecture), TCP/IP, DRA (Database Resource Adapter) and products like Websphere MQ. Programming Languages supported: COBOL, PASCAL, C, Java, Assembler, REXX, PL/I Operating System: Runs on z/OS in a parallel sysplex environment, where multi ...
Assignment #3 – SQL Putting in Data
... The schema name should be mxxws, where mxx is your MySQL user name. You built the Company table during the in-class activity. Now you will build the other three tables, populate them with data, and manipulate the data in those tables. You will record the queries you used to complete the assignment o ...
... The schema name should be mxxws, where mxx is your MySQL user name. You built the Company table during the in-class activity. Now you will build the other three tables, populate them with data, and manipulate the data in those tables. You will record the queries you used to complete the assignment o ...
IOSR Journal of Electronics & Communication Engineering (IOSR-JECE)
... TCP/IP stack. MicroIP uses a single global buffer for holding packets and it is large enough to contain one packet of maximum size. When a packet arrives from a network the device driver will place that in the global buffer and if it contains valid data the protocol stack informs application program ...
... TCP/IP stack. MicroIP uses a single global buffer for holding packets and it is large enough to contain one packet of maximum size. When a packet arrives from a network the device driver will place that in the global buffer and if it contains valid data the protocol stack informs application program ...
Backup and Recovery
... • Online redo log can be in three states: – current – database is writing changes to this redo log (exactly one online redo log is always current) – active – if the database crashes now, redo log will be used for recovery – it contains changes not yet written to data files – inactive – redo log cont ...
... • Online redo log can be in three states: – current – database is writing changes to this redo log (exactly one online redo log is always current) – active – if the database crashes now, redo log will be used for recovery – it contains changes not yet written to data files – inactive – redo log cont ...