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“Oracle Database 11g: SQL Tuning Workshop”
“Oracle Database 11g: SQL Tuning Workshop”

Using the SQL Server
Using the SQL Server

... 1 Installing and setting up the SQL Server In this manual, we assume that your PC has both an administrator level and at least one user level. If both levels are not separated, the process of installing and setting up the SQL Server is simplified accordingly. SQL Server is a database program create ...
Programming in Oracle with PL/SQL
Programming in Oracle with PL/SQL

... customers(cno, cname, zip) zipcodes(cnum, zip, city) ...
DBC-e03-PP-Chapter-03
DBC-e03-PP-Chapter-03

... • The SQL LIKE keyword allow searchs on partial data values • LIKE can be paired with wildcards to find rows matching a string value – Multiple character wildcard character is a percent sign (%) – Single character wildcard character is an underscore (_) KROENKE and AUER - DATABASE CONCEPTS (3rd Edit ...
What is a Database Management System?
What is a Database Management System?

... • If an application prepares or executes the SQL statement first, it can inquire about the result set before it assigns storage for result. For example, if the result set is unknown, the application must retrieve the number of columns before it can assign storage for them. • To associate storage for ...
Transaction Services - MicroStrategy Community
Transaction Services - MicroStrategy Community

... Keep the Insert only Distinct Records check box cleared – if you want all records to be inserted when a transaction triggers an update. This behavior is intended for using Transaction services to update fact table that store fact data Select the Insert only Distinct Records check box– if you want a ...
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batabase

Flexible Database Transformations: The SERF Approach
Flexible Database Transformations: The SERF Approach

... SERF Template. A SERF transformation as given in Figure 2 flexibly allows a user to define different semantics for any type of schema transformation. However, these transformations are not re-usable across different classes or different schemas. For example, the inline transformation shown in Figure ...
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Creating a Partitioned Table

... SQL Server 2008 – What’s New  Row, page, and backup compression ...
12Access.12 - unix.eng.ua.edu
12Access.12 - unix.eng.ua.edu

... • You can save a database as an MDE file, which compiles all the VBA code into machine code and removes the VBA source code. • The database will still work exactly as it did prior to this conversion, but no one will be able to alter the code because they will not be able to get to it. • In Access 20 ...
Query-by-Example (QBE) - gozips.uakron.edu
Query-by-Example (QBE) - gozips.uakron.edu

... Avg (average) Max (largest value) ...
Database Query Monitor Settings
Database Query Monitor Settings

... status, use parentheses in a Perl regular expression. Example: /Temperature: (\d+)/ would return the temperature as it appears on the page and this could be used when setting an Error if or Warning if threshold. ...
Test 4 - Oracle 8: Performance Tuning Workshop (Exam # 1Z0-014)
Test 4 - Oracle 8: Performance Tuning Workshop (Exam # 1Z0-014)

... This consideration is designed to prevent the impromptu reconfiguration of the Oracle database to satisfy a performance need in one area, only to create a performance problem in another area. Any change to the configuration of the Oracle database should be considered carefully. The DBA should weigh ...
Java Database Connectivity with JDBC
Java Database Connectivity with JDBC

... // ResultSet rows or columns for use in a JTable, it is // necessary to add 1 to the row or column number to manipulate // the appropriate ResultSet column (i.e., JTable column 0 is // ResultSet column 1 and JTable row 0 is ResultSet row 1). ...
Big Data Exploration By Stratos Idreos CWI, Amsterdam, The
Big Data Exploration By Stratos Idreos CWI, Amsterdam, The

... values where A<10. In response, a cracking DBMS clusters all tuples of A with A<10 at the beginning of the respective column C, while pushing all tuples with A>=10 to the end. In other words, it partitions on-the-fly and inplace column C using the predicate of the query as a pivot. A subsequent quer ...
Access Lesson 1 Microsoft Access Basics
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... can also use the buttons on the record navigation bar in Datasheet view to move around the datasheet. The record navigation bar buttons allow you to select the first record, the last record, the previous record, or the next record. You can also use a button to add a new record or use the Current Rec ...
Optimization of Data Warehouse Design and Architecture
Optimization of Data Warehouse Design and Architecture

... different Database Management System (DBMS) tools other than those currently used. 6. Revisit column level duplication in the tables inside the data warehouse. 7. Investigate the possibility and impact of partitioning on the basis of the columns frequently appearing in the filtering criteria of quer ...
In database evolution, two directions of development are better than one
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... 1 Structured query language, or SQL, is the dominant query language associated with relational databases. NoSQL stands for not only structured query language. In practice, the term NoSQL is used loosely to refer to non-relational databases designed for distributed environments, rather than the asso ...
lecture notes
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... running the application  db2jDB (directory) The directory that makes up the db2jDB database. We must not modify anything in this directory, or we will corrupt the database. The directory was created when the application connected with Cloudscape, using the attribute create=true in the database co ...
data management and databases
data management and databases

... Early operating systems generally supported a single type of disk drive and only one kind of file system. Early file systems were limited in their capacity, speed, and in the kinds of file names and directory structures they could use. These limitations often reflected limitations in the operating s ...
Database Fundamentals
Database Fundamentals

... Relations as a Database An essential attribute of a relation is that every tuple must be unique. This means that the values present in some individual attribute (or set of attributes) must always provide enough information to allow a unique identification of every tuple in the relation. In a relati ...
Statement
Statement

... JDBC Drivers JDBC consists of two parts:  JDBC API – a purely Java-based API  JDBC Driver Manager which communicates with vendorspecific drivers that perform the real communication with the database.  Translation to vendor format is performed on the client  No changes needed to server  Driver ...
EAST WEST UNIVERSITY Investigating Scope of
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... There are four components in NOSQL’s building block. 1. Modelling language: It describes the structure of the database and also defines schema on which it is based. 2. Database Structure: Each and every database while building uses its own data structures and stores data using permanent storage devi ...
Chapter 1: Introduction
Chapter 1: Introduction

... Permits definition of procedures in SQL, with if-then-else statements, for and while loops, etc. ...
Document
Document

...  Limber  Skulker, etc. ...
< 1 ... 161 162 163 164 165 166 167 168 169 ... 492 >

Entity–attribute–value model

Entity–attribute–value model (EAV) is a data model to describe entities where the number of attributes (properties, parameters) that can be used to describe them is potentially vast, but the number that will actually apply to a given entity is relatively modest. In mathematics, this model is known as a sparse matrix. EAV is also known as object–attribute–value model, vertical database model and open schema.
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