Decision support, OLAP
... Queries on star schemas Special considerations, 2: • Number of relations can be large - join size estimation is difficult. • Two interesting cases: – If the join with some dimension table results in much fewer tuples than in the fact table, we may perform this join first using an index (if availa ...
... Queries on star schemas Special considerations, 2: • Number of relations can be large - join size estimation is difficult. • Two interesting cases: – If the join with some dimension table results in much fewer tuples than in the fact table, we may perform this join first using an index (if availa ...
Windows Authentication on Microsoft SQL Server
... connectivity, enabling software developers to quickly develop and deploy business applications across all major databases and platforms. DataDirect Technologies offers the most comprehensive, proven line of data connectivity components available anywhere. Developers worldwide at more than 250 leadin ...
... connectivity, enabling software developers to quickly develop and deploy business applications across all major databases and platforms. DataDirect Technologies offers the most comprehensive, proven line of data connectivity components available anywhere. Developers worldwide at more than 250 leadin ...
branch-name
... average account balance is greater than $1200. select branch-name, avg-balance from (select branch-name, avg (balance) from account group by branch-name) as result (branch-name, avg-balance) where avg-balance > 1200 Note that we do not need to use the having clause, since we compute the temporary (v ...
... average account balance is greater than $1200. select branch-name, avg-balance from (select branch-name, avg (balance) from account group by branch-name) as result (branch-name, avg-balance) where avg-balance > 1200 Note that we do not need to use the having clause, since we compute the temporary (v ...
Transporting Data in the SAS Universe
... All of this can be a lot to take in. Here are some general guidelines for transporting data to and from SAS: • The SAS DATA step may be used to process flat files with SAS Base. • The SAS DATA step and SAS procedures may be used with SAS/ACCESS to process relational databases. • PROC IMPORT and PROC ...
... All of this can be a lot to take in. Here are some general guidelines for transporting data to and from SAS: • The SAS DATA step may be used to process flat files with SAS Base. • The SAS DATA step and SAS procedures may be used with SAS/ACCESS to process relational databases. • PROC IMPORT and PROC ...
Final Exam Review
... a. Simple views consist of three or fewer columns b. Simple views derive data from only one table c. Simple views can only use the AVG and SUM in the GROUP BY clause d. Simple views can not be used with DML operations 33. Which statement is FALSE about NOT NULL constraints? a. NOT NULL constraints m ...
... a. Simple views consist of three or fewer columns b. Simple views derive data from only one table c. Simple views can only use the AVG and SUM in the GROUP BY clause d. Simple views can not be used with DML operations 33. Which statement is FALSE about NOT NULL constraints? a. NOT NULL constraints m ...
Storage Schema for Jena1 and Jena2
... and simple literal values are stored directly in the statement table A separate literals table is only used to store literal values A separate resources table is used to store long URIs Many find operations without a join are possible by storing values directly in the statement table ...
... and simple literal values are stored directly in the statement table A separate literals table is only used to store literal values A separate resources table is used to store long URIs Many find operations without a join are possible by storing values directly in the statement table ...
Windows Connections Spring 2009
... Turning off at web app will empty both bins Only first bin is part of your quota Web deletion does not go into bin ...
... Turning off at web app will empty both bins Only first bin is part of your quota Web deletion does not go into bin ...
Database Design Data Modeling Standards - PA
... Physical Data Model A physical data model is a representation of a data design which takes into account the facilities identified in the physical data modeling table and column naming standards section and constraints of a given database management system. In the lifecycle of a project it is typical ...
... Physical Data Model A physical data model is a representation of a data design which takes into account the facilities identified in the physical data modeling table and column naming standards section and constraints of a given database management system. In the lifecycle of a project it is typical ...
Week 13 - Pravin Shetty > Resume
... A KEY is an attribute (or a set of attributes) in a table which uniquely identifies each row in that table There are several types of keys : 1. A candidate key - this is one of the ‘possible’ keys in a table. A an example, a motor car has a Registered Number, and also a Vehicle identification Number ...
... A KEY is an attribute (or a set of attributes) in a table which uniquely identifies each row in that table There are several types of keys : 1. A candidate key - this is one of the ‘possible’ keys in a table. A an example, a motor car has a Registered Number, and also a Vehicle identification Number ...
Abstract - The number of open source database management
... field. However the type of data stored in a database affects query performance. Therefore there is need to include other types of data for these databases. There is also need to allow users to execute scripts or stored procedures to enable execution of multiple statements on the databases to be eval ...
... field. However the type of data stored in a database affects query performance. Therefore there is need to include other types of data for these databases. There is also need to allow users to execute scripts or stored procedures to enable execution of multiple statements on the databases to be eval ...
Slide 1
... Lots of improvements – Features solutions Lots of complexity – Architecture and Planning “with great power comes greater responsibility” ...
... Lots of improvements – Features solutions Lots of complexity – Architecture and Planning “with great power comes greater responsibility” ...
Temporal Data and The Relational Model
... SQL:2011 • SQL:2011 does not support a PACK operator • SQL:2011 does not support an UNPACK operator Even though both were once (in the 1990s) included in Part 7, SQL/Temporal, a working draft that was never published and eventually abandoned. ...
... SQL:2011 • SQL:2011 does not support a PACK operator • SQL:2011 does not support an UNPACK operator Even though both were once (in the 1990s) included in Part 7, SQL/Temporal, a working draft that was never published and eventually abandoned. ...
m-files backup policy - M
... Take a full backup of the master database every day. Create 14 distinct backup jobs for master database backups to ensure that you can store 14 separate master backup files. Name each backup file e.g. as “M-Files Master Backup”, where X represent the sequence number of the job (i.e. 1 to 14).
Ta ...
... Take a full backup of the master database every day. Create 14 distinct backup jobs for master database backups to ensure that you can store 14 separate master backup files. Name each backup file e.g. as “M-Files Master Backup
Chapter 4: SQL - Avi Silberschatz
... average account balance is greater than $1200. select branch-name, avg-balance from (select branch-name, avg (balance) from account group by branch-name) as result (branch-name, avg-balance) where avg-balance > 1200 Note that we do not need to use the having clause, since we compute the temporary (v ...
... average account balance is greater than $1200. select branch-name, avg-balance from (select branch-name, avg (balance) from account group by branch-name) as result (branch-name, avg-balance) where avg-balance > 1200 Note that we do not need to use the having clause, since we compute the temporary (v ...
Martin
... Static analysis: select candidate queries from the query log Audit query generation: augment every candidate query with information from the audit expression and combine them into an audit query that unions their output ...
... Static analysis: select candidate queries from the query log Audit query generation: augment every candidate query with information from the audit expression and combine them into an audit query that unions their output ...
ppt - Washington University in St. Louis
... Embedded Approach: e.g embedded SQL (for C, C++, etc.), SQLJ (for Java) Procedure Call Approach: e.g. JDBC for Java, ODBC (Open Databse Connectivity) for other programming languages as API’s (application programming interfaces) Database Programming Language Approach: e.g. ORACLE has PL/SQL, a progra ...
... Embedded Approach: e.g embedded SQL (for C, C++, etc.), SQLJ (for Java) Procedure Call Approach: e.g. JDBC for Java, ODBC (Open Databse Connectivity) for other programming languages as API’s (application programming interfaces) Database Programming Language Approach: e.g. ORACLE has PL/SQL, a progra ...
DATABASE MANAGEMENT SYSTEMS
... Embedded SQL is defined as the process of embedding the SQL within procedural programming languages. These language (sometimes referred to as 3GLs) include C/C++, Cobol, Fortran, and Ada. Thus the embedded SQL provides the 3GL with a way to manipulate a database, supporting: � highly customized appl ...
... Embedded SQL is defined as the process of embedding the SQL within procedural programming languages. These language (sometimes referred to as 3GLs) include C/C++, Cobol, Fortran, and Ada. Thus the embedded SQL provides the 3GL with a way to manipulate a database, supporting: � highly customized appl ...
Indexing Relational Database Content Offline for
... An early paper [12] proposes implementing abstract data types, user-defined operators, and specialized indexes for textual databasesa precursor to current relational database vendors’ approaches to integrating full-text search functionality. IBM DB2 [13], Microsoft SQL Server [9], Oracle [6], Postgr ...
... An early paper [12] proposes implementing abstract data types, user-defined operators, and specialized indexes for textual databasesa precursor to current relational database vendors’ approaches to integrating full-text search functionality. IBM DB2 [13], Microsoft SQL Server [9], Oracle [6], Postgr ...
Performance Auditing For Microsoft SQL Server
... Evaluate your purpose for auditing. Once you have a clear understanding of the reasons for auditing, you can devise an appropriate auditing strategy and avoid unnecessary auditing. For example, suppose you have been asked to investigate database performance issues. This information by itself is not ...
... Evaluate your purpose for auditing. Once you have a clear understanding of the reasons for auditing, you can devise an appropriate auditing strategy and avoid unnecessary auditing. For example, suppose you have been asked to investigate database performance issues. This information by itself is not ...
SQL Slides
... average account balance is greater than $1200. select branch-name, avg-balance from (select branch-name, avg (balance) from account group by branch-name) as result (branch-name, avg-balance) where avg-balance > 1200 Note that we do not need to use the having clause, since we compute the temporary (v ...
... average account balance is greater than $1200. select branch-name, avg-balance from (select branch-name, avg (balance) from account group by branch-name) as result (branch-name, avg-balance) where avg-balance > 1200 Note that we do not need to use the having clause, since we compute the temporary (v ...
ppt - Avi Silberschatz
... average account balance is greater than $1200. select branch-name, avg-balance from (select branch-name, avg (balance) from account group by branch-name) as result (branch-name, avg-balance) where avg-balance > 1200 Note that we do not need to use the having clause, since we compute the temporary (v ...
... average account balance is greater than $1200. select branch-name, avg-balance from (select branch-name, avg (balance) from account group by branch-name) as result (branch-name, avg-balance) where avg-balance > 1200 Note that we do not need to use the having clause, since we compute the temporary (v ...
Database Management System
... Relational Database: It is a collection of tables / relations. The software required to handle or manipulate these tables or relations is known as Relational Database Management System (RDBMS). Oracle, DB2, Access, MySQL and Visual FoxPro are some commonly used RDBM. Table / Relation: A group of row ...
... Relational Database: It is a collection of tables / relations. The software required to handle or manipulate these tables or relations is known as Relational Database Management System (RDBMS). Oracle, DB2, Access, MySQL and Visual FoxPro are some commonly used RDBM. Table / Relation: A group of row ...
Database Database overview
... a. In the Column name field, type ITEM_NUMBER. b. Optional: In the Short name field, specify a short name for the column. If you do not specify a short name, the system automatically generates a name. If the column name is 10 characters or less, then the short name is the same as the column name. Y ...
... a. In the Column name field, type ITEM_NUMBER. b. Optional: In the Short name field, specify a short name for the column. If you do not specify a short name, the system automatically generates a name. If the column name is 10 characters or less, then the short name is the same as the column name. Y ...