ADO Programming with Adaptive Server Anywhere.
... • Optimistic Locking: The lock is done on row by row basis, when Update is called. • Batch Optimistic Locking: The lock occurs when UpdateBatch is called. • Pessimistic Locking: The lock is done on the edited records at the data source. • Read Only Locking: There is no Locking and the data can’t be ...
... • Optimistic Locking: The lock is done on row by row basis, when Update is called. • Batch Optimistic Locking: The lock occurs when UpdateBatch is called. • Pessimistic Locking: The lock is done on the edited records at the data source. • Read Only Locking: There is no Locking and the data can’t be ...
PowerPoint document describing the Trends data store - GCE-LTER
... • “IMExec suggests that this activity be used to scope and determine the feasibility of using EML in the development of NIS modules for solving general synthesis problems.” • “The premise of this project is that EML will adequately describe the data set (e.g., entities, attributes, physical characte ...
... • “IMExec suggests that this activity be used to scope and determine the feasibility of using EML in the development of NIS modules for solving general synthesis problems.” • “The premise of this project is that EML will adequately describe the data set (e.g., entities, attributes, physical characte ...
SUNY Morrisville-Norwich Campus
... The data in the report can consist of data from a single table or multiple tables. Access has a Reports Wizard that allows you to easily create a report. The report can be based on a table or it can be based on a query. ...
... The data in the report can consist of data from a single table or multiple tables. Access has a Reports Wizard that allows you to easily create a report. The report can be based on a table or it can be based on a query. ...
Download jdbc.ppt
... Create a Statement Object Execute query string using Statement Object Retrieve data from the returned ResultSet Object Close ResultSet & Statement & Connection Object in order ...
... Create a Statement Object Execute query string using Statement Object Retrieve data from the returned ResultSet Object Close ResultSet & Statement & Connection Object in order ...
The Design, Implementation, and Performance of the V2 Temporal
... the web, reducing the granularity from 1 day to 1 week means we keep only every 7th version, and the problem here is that the intermediate versions are just as important as the ones left in the system. • Another strategy for reducing the number of version stored, is the traditional vacuuming process ...
... the web, reducing the granularity from 1 day to 1 week means we keep only every 7th version, and the problem here is that the intermediate versions are just as important as the ones left in the system. • Another strategy for reducing the number of version stored, is the traditional vacuuming process ...
Abstract Factory DAAB
... Must return an IDataParameter array containing parameter information for the stored procedure, spName. If the given database does not have stored procedures, obviously this method is not necessary. First, this method looks in the ParameterCache for the information. If not found, the base class metho ...
... Must return an IDataParameter array containing parameter information for the stored procedure, spName. If the given database does not have stored procedures, obviously this method is not necessary. First, this method looks in the ParameterCache for the information. If not found, the base class metho ...
The Relational Model
... Where do ICs Come From? ICs are based upon the semantics of the realworld enterprise that is being described in the database relations. We can check a database instance to see if an IC is violated, but we can NEVER infer that an IC is true by looking at an instance. ...
... Where do ICs Come From? ICs are based upon the semantics of the realworld enterprise that is being described in the database relations. We can check a database instance to see if an IC is violated, but we can NEVER infer that an IC is true by looking at an instance. ...
Indexing and Hashing
... the seven we read with binary search, if we assume that the outer index is already in main memory. If our file is extremely large, even the outer index may grow too large to fit in main memory. In such a case, we can create yet another level of index. Indeed, we can repeat this process as many times a ...
... the seven we read with binary search, if we assume that the outer index is already in main memory. If our file is extremely large, even the outer index may grow too large to fit in main memory. In such a case, we can create yet another level of index. Indeed, we can repeat this process as many times a ...
DBA Cheat Sheet
... Registered Servers: https://www.mssqltips.com/sqlservertip/1996/registering-sqlserver-instances-for-easier-management/ Import and Export Registered Servers: https://www.mssqltips.com/sqlservertip/2015/import-and-export-registered-sqlservers-to-other-machines/ Display Line Numbers in Query Wind ...
... Registered Servers: https://www.mssqltips.com/sqlservertip/1996/registering-sqlserver-instances-for-easier-management/ Import and Export Registered Servers: https://www.mssqltips.com/sqlservertip/2015/import-and-export-registered-sqlservers-to-other-machines/ Display Line Numbers in Query Wind ...
Models of Transactions - Stony Brook University
... • Chain commits the transaction (makes it durable) and starts a new transaction, but does not release locks – Individual transactions do not have to be consistent – Recovery is complicated (as before); rollforward required – No performance gain ...
... • Chain commits the transaction (makes it durable) and starts a new transaction, but does not release locks – Individual transactions do not have to be consistent – Recovery is complicated (as before); rollforward required – No performance gain ...
Models of Transactions
... • Chain commits the transaction (makes it durable) and starts a new transaction, but does not release locks – Individual transactions do not have to be consistent – Recovery is complicated (as before); rollforward required – No performance gain ...
... • Chain commits the transaction (makes it durable) and starts a new transaction, but does not release locks – Individual transactions do not have to be consistent – Recovery is complicated (as before); rollforward required – No performance gain ...
Simple Database Mathematics and the Query Converter
... some programming language. In the case of databases, this usually means writing SQL. However, seeing programming simply as coding ignores some important work that has to be done before coding: modelling and design . We could say ...
... some programming language. In the case of databases, this usually means writing SQL. However, seeing programming simply as coding ignores some important work that has to be done before coding: modelling and design . We could say ...
Technology In Action, Complete, 11e (Evans et al.) Chapter 11
... 58) An employee's ID number, name, company position, address, city, state, and Zip Code make up a record. Answer: TRUE Diff: 1 Section Ref: Database Terminology 59) When using Access, the text of the Gettysburg Address would be stored in a short text field. Answer: FALSE Diff: 3 Section Ref: Databa ...
... 58) An employee's ID number, name, company position, address, city, state, and Zip Code make up a record. Answer: TRUE Diff: 1 Section Ref: Database Terminology 59) When using Access, the text of the Gettysburg Address would be stored in a short text field. Answer: FALSE Diff: 3 Section Ref: Databa ...
Database Configuration and Maintenance
... Configuring Files and Filegroups SQL Server uses two different types of files— data and transaction log files. Filegroups are a logical structure, defined within a database, that map a database and the objects contained within a database, to the data files on disk. Filegroups can contain more than o ...
... Configuring Files and Filegroups SQL Server uses two different types of files— data and transaction log files. Filegroups are a logical structure, defined within a database, that map a database and the objects contained within a database, to the data files on disk. Filegroups can contain more than o ...
MySQL Tutorial
... Load data Retrieve records Update records Delete records Modify table Join table Drop table Optimize table Count, Like, Order by, Group by More advanced ones (sub-queries, stored procedures, triggers, views …) ...
... Load data Retrieve records Update records Delete records Modify table Join table Drop table Optimize table Count, Like, Order by, Group by More advanced ones (sub-queries, stored procedures, triggers, views …) ...
create table
... Library Database - Tables Structured Query Language (SQL) SQL Usage SQL Commands SQL Data Definition Language (DDL) SQL Data Manipulation Language (DML) ...
... Library Database - Tables Structured Query Language (SQL) SQL Usage SQL Commands SQL Data Definition Language (DDL) SQL Data Manipulation Language (DML) ...
Distributed Database Design
... Key Constraints Uniqueness A set of attributes of R such that no two tuples in any valid relation instance r(R) will have the same value Minimal Removal of any attribute results in a set of attributes that is not a key If a relation has several candidate keys, one is chosen to be the primary key Th ...
... Key Constraints Uniqueness A set of attributes of R such that no two tuples in any valid relation instance r(R) will have the same value Minimal Removal of any attribute results in a set of attributes that is not a key If a relation has several candidate keys, one is chosen to be the primary key Th ...
Discovery Robust Knowledge from Databases that Change
... Intuitively, a rule is robust if it is unlikely that the transactions will invalidate the rule. Definition 2: (Robustness for accessible states) Given a rule r, and a database in a state d, in which r is consistent. Let t denote the event of performing a transaction on d that results in new database ...
... Intuitively, a rule is robust if it is unlikely that the transactions will invalidate the rule. Definition 2: (Robustness for accessible states) Given a rule r, and a database in a state d, in which r is consistent. Let t denote the event of performing a transaction on d that results in new database ...
Using XAMPP for SQL and PHP
... NOTE2: It is easier to create in Notepad and copy into the command line, using right-click to Paste C:\xampp\mysql\bin>mysql -u root -p (-p is optional - for a password) Enter password: Welcome to the MySQL monitor. Commands end with ; Type 'help;' or '\h' for help. mysql> create database payroll; Q ...
... NOTE2: It is easier to create in Notepad and copy into the command line, using right-click to Paste C:\xampp\mysql\bin>mysql -u root -p (-p is optional - for a password) Enter password: Welcome to the MySQL monitor. Commands end with ; Type 'help;' or '\h' for help. mysql> create database payroll; Q ...
Server integrated systems and methods for processing precomputed
... Server-integrated methods and apparatus for processing precornputed vieWs for answering user queries on a database are described. In accordance With one embodiment, a system ...
... Server-integrated methods and apparatus for processing precornputed vieWs for answering user queries on a database are described. In accordance With one embodiment, a system ...
Chapter 9
... – Use DDL to create any specified user views. – Use 3GL or 4GL to create the application programs. This will include the database transactions implemented using the DML, possibly embedded in a host programming language. ...
... – Use DDL to create any specified user views. – Use 3GL or 4GL to create the application programs. This will include the database transactions implemented using the DML, possibly embedded in a host programming language. ...
Data Sheet
... Parallel replication provides replication throughput scaling while maintaining transaction execution order. ...
... Parallel replication provides replication throughput scaling while maintaining transaction execution order. ...
566-607 - CrystalScope
... "struct," as used in C or similar languages, do not have their offsets stored when the program is running; rather the offsets are compiled into the application programs that access the struct. However, there are several reasons why the record schema must be stored and accessible to the DBMS. For one ...
... "struct," as used in C or similar languages, do not have their offsets stored when the program is running; rather the offsets are compiled into the application programs that access the struct. However, there are several reasons why the record schema must be stored and accessible to the DBMS. For one ...