BCS THE CHARTERED INSTITUTE FOR IT DATABASE SYSTEMS BCS HIGHER EDUCATION QUALIFICATIONS
... ‘AZT’ is a company that supply a number of courses (eg Visual Basic; Python; SQL, Java) delivered in the form of computer aided learning (CAL) packages that students study on-line. Students first register for an attendance on a course that AZT offer many times, occasionally over the same period of t ...
... ‘AZT’ is a company that supply a number of courses (eg Visual Basic; Python; SQL, Java) delivered in the form of computer aided learning (CAL) packages that students study on-line. Students first register for an attendance on a course that AZT offer many times, occasionally over the same period of t ...
EMONITOR Odyssey™ Version 1.2 New Features and Enhancements
... Severity Updater previously required you to log in when a SQL error occurred. This bug has been fixed in version 1.2. Scheduler has been altered to allow it to run even if the database server is not available. Export16, the utility used for exporting 16-bit Gupta databases, has been updated so that ...
... Severity Updater previously required you to log in when a SQL error occurred. This bug has been fixed in version 1.2. Scheduler has been altered to allow it to run even if the database server is not available. Export16, the utility used for exporting 16-bit Gupta databases, has been updated so that ...
Database Security
... • Lots of 3rd party tools out there or you can build your own using sp_trace_create or logging to a table. • As of SQL 2008 you can use Extended Events but in 2012+ it is a lot friendlier to use. “Combining People and Technology for Enhanced Pharmacy Services” ...
... • Lots of 3rd party tools out there or you can build your own using sp_trace_create or logging to a table. • As of SQL 2008 you can use Extended Events but in 2012+ it is a lot friendlier to use. “Combining People and Technology for Enhanced Pharmacy Services” ...
Chapter 10
... • A foreign key allows Visual Basic to link (or join) two tables from a relational database • When the two tables Cities and Countries from Megacities.accdb are joined based on the foreign key Cities.country, the result is the table in the next slide. • The record for each city is expanded to show i ...
... • A foreign key allows Visual Basic to link (or join) two tables from a relational database • When the two tables Cities and Countries from Megacities.accdb are joined based on the foreign key Cities.country, the result is the table in the next slide. • The record for each city is expanded to show i ...
item-name - UCLA Computer Science
... hierarchy on a column. For instance, we have a table itemcategory(itemname, category) giving the category of each item. Then the query select category, item-name, sum(number) from sales, category where sales.item-name = itemcategory.item-name group by rollup(category, item-name) would give a hierarc ...
... hierarchy on a column. For instance, we have a table itemcategory(itemname, category) giving the category of each item. Then the query select category, item-name, sum(number) from sales, category where sales.item-name = itemcategory.item-name group by rollup(category, item-name) would give a hierarc ...
ActiveObjects
... reflected in RAD frameworks such as Ruby on Rails. Much of the accepted industry pundits agree that writing 20 lines of code is much easier than 20 lines of code and 150 lines of XML configuration (go figure). ActiveObjects follows this practice as much as possible in its implementation. In fact, mu ...
... reflected in RAD frameworks such as Ruby on Rails. Much of the accepted industry pundits agree that writing 20 lines of code is much easier than 20 lines of code and 150 lines of XML configuration (go figure). ActiveObjects follows this practice as much as possible in its implementation. In fact, mu ...
AdvancedQueries
... Views can be treated as if they were materialized relations The system translates a SELECT on a view into SELECTS on the materialized relations Modifications are problematic Views can be dropped using the DROP VIEW command ...
... Views can be treated as if they were materialized relations The system translates a SELECT on a view into SELECTS on the materialized relations Modifications are problematic Views can be dropped using the DROP VIEW command ...
Optimize Oracle on VMware
... Nothing New Here … • DBA’s have always cared deeply about database server CPU, memory, disk and network utilization • But often in the past databases were on dedicated hardware – so databases were more “solo islands” • Now we must account for shared everything – and not just disk space as with SAN/ ...
... Nothing New Here … • DBA’s have always cared deeply about database server CPU, memory, disk and network utilization • But often in the past databases were on dedicated hardware – so databases were more “solo islands” • Now we must account for shared everything – and not just disk space as with SAN/ ...
Introduction to Relational Database Management Systems
... Fields have certain attributes associated with them. For example, some fields are numeric whereas others are textual. In addition, every field has a name, called the field name. In an RDBMS, a field is also referred to as a key that you use to sort data. It can also be called a key field, sort key, ...
... Fields have certain attributes associated with them. For example, some fields are numeric whereas others are textual. In addition, every field has a name, called the field name. In an RDBMS, a field is also referred to as a key that you use to sort data. It can also be called a key field, sort key, ...
Type 1 - csepoint
... statements like insert,update, delete, and create. – returns an integer value for DML to indicate the number of rows affected and 0 for DDL statements which do not return anything. ...
... statements like insert,update, delete, and create. – returns an integer value for DML to indicate the number of rows affected and 0 for DDL statements which do not return anything. ...
Comparison of Access Methods for Time-Evolving Data
... For the Range-Timeslice queries it is best to cluster by transaction time and key within pages. For the Bitemporal queries the copy approach can be used to store the collections at given transaction time and a log approach to store changes between copies. Another approach is to index the bitemp ...
... For the Range-Timeslice queries it is best to cluster by transaction time and key within pages. For the Bitemporal queries the copy approach can be used to store the collections at given transaction time and a log approach to store changes between copies. Another approach is to index the bitemp ...
Slide 1
... Nothing New Here … • DBA’s have always cared deeply about database server CPU, memory, disk and network utilization • But often in the past databases were on dedicated hardware – so databases were more “solo islands” • Now we must account for shared everything – and not just disk space as with SAN/ ...
... Nothing New Here … • DBA’s have always cared deeply about database server CPU, memory, disk and network utilization • But often in the past databases were on dedicated hardware – so databases were more “solo islands” • Now we must account for shared everything – and not just disk space as with SAN/ ...
Document
... Fifth Normal Form • The “very esoteric” one that is probably not required to get the most out of your database. • “The original table must be reconstructed from the tables into which it has been broken down.” • The rule ensures that you have not created any extraneous columns and all the tables are ...
... Fifth Normal Form • The “very esoteric” one that is probably not required to get the most out of your database. • “The original table must be reconstructed from the tables into which it has been broken down.” • The rule ensures that you have not created any extraneous columns and all the tables are ...
kifer_268334_ppt08
... EXEC SQL PREPARE st FROM :my_sql_stmt; EXEC SQL ALLOCATE DESCRIPTOR ‘st_output’; EXEC SQL DESCRIBE OUTPUT st USING SQL DESCRIPTOR ‘st_output’ – The SQL statement to execute is known only at run time – At this point DBMS knows what the exact statement is (including the table name, the number of out p ...
... EXEC SQL PREPARE st FROM :my_sql_stmt; EXEC SQL ALLOCATE DESCRIPTOR ‘st_output’; EXEC SQL DESCRIBE OUTPUT st USING SQL DESCRIPTOR ‘st_output’ – The SQL statement to execute is known only at run time – At this point DBMS knows what the exact statement is (including the table name, the number of out p ...
Best Practices for Semantic Data Modeling for
... Each subtype table has a primary key that is actually a foreign key reference to the Object table, renamed to something that is easy to understand. The CustomObject table enables users to add other subtypes as needed. In this scenario, no Author can have the same ID as any other object. This is very ...
... Each subtype table has a primary key that is actually a foreign key reference to the Object table, renamed to something that is easy to understand. The CustomObject table enables users to add other subtypes as needed. In this scenario, no Author can have the same ID as any other object. This is very ...
Database System (DBS)
... largest software companies in the world. IBM offers its relational DB2 system. With IMS, a nonrelational system, IBM is by some accounts the largest DBMS vendor in the world. Microsoft offers SQL-Server, plus Microsoft Access for the cheap DBMS on the desktop, answered by “lite” systems from other c ...
... largest software companies in the world. IBM offers its relational DB2 system. With IMS, a nonrelational system, IBM is by some accounts the largest DBMS vendor in the world. Microsoft offers SQL-Server, plus Microsoft Access for the cheap DBMS on the desktop, answered by “lite” systems from other c ...
Detecting Intrusions in Databases
... Intrusion detection is one of the prime areas of research currently in databases. With the advent of the internet and the World Wide Web, more and more work is now done online. All the necessary information from shopping orders to banking transactions is stored in databases. Protecting the informati ...
... Intrusion detection is one of the prime areas of research currently in databases. With the advent of the internet and the World Wide Web, more and more work is now done online. All the necessary information from shopping orders to banking transactions is stored in databases. Protecting the informati ...
BUS 206 Access Assignment
... Query 3: A query called “Total Dresses Rented” that counts the number of dresses rented by each customer. The query should include columns for Last Name, First Name, Email Address, and Number of Dresses Rented. Sort the output so that the customer who rents the most dresses appears at the top of the ...
... Query 3: A query called “Total Dresses Rented” that counts the number of dresses rented by each customer. The query should include columns for Last Name, First Name, Email Address, and Number of Dresses Rented. Sort the output so that the customer who rents the most dresses appears at the top of the ...
document-centric XML - McGraw Hill Higher Education
... data is linked between tables. • Each individual item and the information collected about it is known as a record. • Each record should be assigned a unique number. • Relational databases contain more than one table. ...
... data is linked between tables. • Each individual item and the information collected about it is known as a record. • Each record should be assigned a unique number. • Relational databases contain more than one table. ...
primary key
... 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. ...
OBJECT RELATIONAL DBMS
... ◆ In all SQL versions there is a cursor-based mechanism allowing to pass stored data from the database to the host PL variables ◆ SQL3 external functions for ADTs provide additional communication interfaces ...
... ◆ In all SQL versions there is a cursor-based mechanism allowing to pass stored data from the database to the host PL variables ◆ SQL3 external functions for ADTs provide additional communication interfaces ...