Chapter 1: Introduction
... select account.balance from depositor, account where depositor.customer-id = ‘192-83-7465’ and depositor.account-number = account.account-number ...
... select account.balance from depositor, account where depositor.customer-id = ‘192-83-7465’ and depositor.account-number = account.account-number ...
Module 1: Introduction
... When a tuple is fetched, its attribute values are automatically stored in corresponding C variables. ...
... When a tuple is fetched, its attribute values are automatically stored in corresponding C variables. ...
MYSQL Introduction MySQL A database that is available for no
... several rows in another table. A column is needed to connect the related rows in different tables. In many cases, you include a column in one table to hold data that matches data in the primary key column of another table. A common application that needs a database with two related tables is a custo ...
... several rows in another table. A column is needed to connect the related rows in different tables. In many cases, you include a column in one table to hold data that matches data in the primary key column of another table. A common application that needs a database with two related tables is a custo ...
database state
... DBMS Architectures (cont.) Two Tier Client-Server Architecture A client program may connect to several DBMSs, sometimes called the data sources In general, data sources can be files or other non-DBMS software that manages data Other variations of clients are possible » in some object DBMSs, ...
... DBMS Architectures (cont.) Two Tier Client-Server Architecture A client program may connect to several DBMSs, sometimes called the data sources In general, data sources can be files or other non-DBMS software that manages data Other variations of clients are possible » in some object DBMSs, ...
Chapter 7
... Like a WHERE clause, but it operates on groups (categories), not on individual rows. Here, only those groups with total numbers greater than 1 will be included in final result ...
... Like a WHERE clause, but it operates on groups (categories), not on individual rows. Here, only those groups with total numbers greater than 1 will be included in final result ...
Information and Communication Technology
... Now, close all the browsers, Open “example7.asp” again. What do you see? ...
... Now, close all the browsers, Open “example7.asp” again. What do you see? ...
Chapter 4: Advanced SQL
... When a tuple is fetched, its attribute values are automatically stored in corresponding C variables. ...
... When a tuple is fetched, its attribute values are automatically stored in corresponding C variables. ...
Slides
... Store the conditional lists Cx and the corresponding global lists Gx only for those attribute values x that occur most frequently in the workload Probe the intermediate knowledge representation layer at query time to compute the missing information ...
... Store the conditional lists Cx and the corresponding global lists Gx only for those attribute values x that occur most frequently in the workload Probe the intermediate knowledge representation layer at query time to compute the missing information ...
Data storage overview SQLite databases
... • Each application that uses SQLite has its own instance of the database, which by default is only accessible from the application itself – Apps signed with the same key may share the database – A Content Provider can be used to share the database information between other applications ...
... • Each application that uses SQLite has its own instance of the database, which by default is only accessible from the application itself – Apps signed with the same key may share the database – A Content Provider can be used to share the database information between other applications ...
No Slide Title
... names of a database Combine the CGI and DBI Perl modules to create a Perl script that accesses and formats data for presentation in the ...
... names of a database Combine the CGI and DBI Perl modules to create a Perl script that accesses and formats data for presentation in the ...
Characteristic of data record in relation
... • It is important to understand that the applications and the database do not need to reside on the same computer. • We divide the range of database applications into three categories based on the location of the client (application) and the database software itself 1. Personal 2. Two-tier 3. Multit ...
... • It is important to understand that the applications and the database do not need to reside on the same computer. • We divide the range of database applications into three categories based on the location of the client (application) and the database software itself 1. Personal 2. Two-tier 3. Multit ...
SQL Server 2000 Backup
... WRITETEXT, UPDATETEXT operations are minimally logged. Full and Bulk-Logged Recovery models are similar, and you can switch between them easily. The Bulk-Logged Recovery model does not allow the database to be recovered to a specific point in time. Under this recovery model, the transaction log back ...
... WRITETEXT, UPDATETEXT operations are minimally logged. Full and Bulk-Logged Recovery models are similar, and you can switch between them easily. The Bulk-Logged Recovery model does not allow the database to be recovered to a specific point in time. Under this recovery model, the transaction log back ...
Introduction to Object-Oriented and Object
... + Support for high-level SQL queries, compatibility + Views, logical data independence possible with queries + Programming language independence + Stored procedures, triggers, constraints + High transaction performance by avoiding data shipping - Overkill for application needing just a C++ object st ...
... + Support for high-level SQL queries, compatibility + Views, logical data independence possible with queries + Programming language independence + Stored procedures, triggers, constraints + High transaction performance by avoiding data shipping - Overkill for application needing just a C++ object st ...
Designing 3NF for Ad Hoc Queries
... own user database and the objects it contains. You may also have permission to access objects in other databases. The user name you logon with is usually your default database. (This depends on how you were created as a user.) Select Database; --- Gives the Current Database Changing the Default Data ...
... own user database and the objects it contains. You may also have permission to access objects in other databases. The user name you logon with is usually your default database. (This depends on how you were created as a user.) Select Database; --- Gives the Current Database Changing the Default Data ...
Oracle Exadata with ZFS NAS Appliance for faster platform
... •ZFS Shares mounted as NFS on Exadata DB nodes •DNFS configured for each share used by DB •To configure DNFS, run the following for each Oracle Home •make -f ins_rdbms.mk dnfs_on •Restart each instance from the Oracle Home •Add NFS shares to /etc/oranfstab for global access server: heada path: 192.1 ...
... •ZFS Shares mounted as NFS on Exadata DB nodes •DNFS configured for each share used by DB •To configure DNFS, run the following for each Oracle Home •make -f ins_rdbms.mk dnfs_on •Restart each instance from the Oracle Home •Add NFS shares to /etc/oranfstab for global access server: heada path: 192.1 ...
PHP script
... •You can populate the database easily using phpMyAdmin. •You can import the stock.sql file containing the structure and initial data entries. •You can select the INSERT tag to add more data entries. ...
... •You can populate the database easily using phpMyAdmin. •You can import the stock.sql file containing the structure and initial data entries. •You can select the INSERT tag to add more data entries. ...
DBA625 Covered so far
... Undo Data is a COPY of original, pre-modified data (by DML statements) captured for EVERY transaction It supports 4 different things: 1) ROLLBACK (Undo) operations by developers and users 2) Read Consistent Queries by users who only want to read data being modified (by someone else) 3) Instance Reco ...
... Undo Data is a COPY of original, pre-modified data (by DML statements) captured for EVERY transaction It supports 4 different things: 1) ROLLBACK (Undo) operations by developers and users 2) Read Consistent Queries by users who only want to read data being modified (by someone else) 3) Instance Reco ...
Module #1, 4 th year - Высшая школа экономики
... First part of the course is intended to provide students with an understanding of the current theory and practice of database management systems. The course provides a solid technical overview of database management systems, using a current database products as a case studies. In addition to technic ...
... First part of the course is intended to provide students with an understanding of the current theory and practice of database management systems. The course provides a solid technical overview of database management systems, using a current database products as a case studies. In addition to technic ...
JDBC
... specific row. This feature is used by GUI tools and for programmatic updating. Updateable result set ability to use Java programming language commands rather than SQL. ...
... specific row. This feature is used by GUI tools and for programmatic updating. Updateable result set ability to use Java programming language commands rather than SQL. ...
PDF
... For purposes of comparison, we restrict our attention to those which parallel our use of digital scores and our handling of polyphony, not considering analog-based systems, and those which disregard polyphony, as these systems tend to be quite different internally. We will focus on each system’s que ...
... For purposes of comparison, we restrict our attention to those which parallel our use of digital scores and our handling of polyphony, not considering analog-based systems, and those which disregard polyphony, as these systems tend to be quite different internally. We will focus on each system’s que ...
Lecture 1 - Programajama!
... responsibility for your own learning, conducting online research, book reading and video viewing, and study and practice of database design and implementation for a client including the acquisition of SQL coding syntax and habits. ...
... responsibility for your own learning, conducting online research, book reading and video viewing, and study and practice of database design and implementation for a client including the acquisition of SQL coding syntax and habits. ...
comp4_unit6b_lecture_transcript
... In this topic we will discuss relational databases. Relational databases are the most common type of database in use today. Relational databases use unique keys to connect tables of a database. These connections are called relationships. Databases are designed using something called data modeling. S ...
... In this topic we will discuss relational databases. Relational databases are the most common type of database in use today. Relational databases use unique keys to connect tables of a database. These connections are called relationships. Databases are designed using something called data modeling. S ...
Optimizing SQL Server Storage Performance with the
... offered a good mix of low cost and superior capacity, are limited to a fixed amount of random I/O with average latency, due to their rotating mechanical components. Online transactional processing (OLTP) 100% random I/O data access patterns are known to quickly saturate the amount of I/Os that a sin ...
... offered a good mix of low cost and superior capacity, are limited to a fixed amount of random I/O with average latency, due to their rotating mechanical components. Online transactional processing (OLTP) 100% random I/O data access patterns are known to quickly saturate the amount of I/Os that a sin ...
Survey of Advanced Perl Topics
... can be caught and processed. • If your program receives a certain signal, you can decide what to do about it. • Assign a reference to the handler subroutine to the %SIG hash, where the key is the 'name' of the signal – signal name also passed as first argument to the subroutine. ...
... can be caught and processed. • If your program receives a certain signal, you can decide what to do about it. • Assign a reference to the handler subroutine to the %SIG hash, where the key is the 'name' of the signal – signal name also passed as first argument to the subroutine. ...