Role
... 01017, 'invalid username/password', 01005, 'null password given', returncode) "Login Status" from dba_audit_session order by 1, 3 desc; ...
... 01017, 'invalid username/password', 01005, 'null password given', returncode) "Login Status" from dba_audit_session order by 1, 3 desc; ...
Library Cache Hit Ratios
... Oracle Database Tuning Statistics It is possible to measure a vast number of statistics for an Oracle database. An important element of any useful tuning exercise is to be able to make comparisons over time: collecting and comparing statistics is the only way to make tuning a proactive exercise. At ...
... Oracle Database Tuning Statistics It is possible to measure a vast number of statistics for an Oracle database. An important element of any useful tuning exercise is to be able to make comparisons over time: collecting and comparing statistics is the only way to make tuning a proactive exercise. At ...
Part 12 - SQL for Oracle System Tables
... All “truly” relational systems must have the system information stored in tables. These system tables are accessible in the same way as any other table. This means that a relational system will have: A table containing the list of tables that make up the data dictionary. In Oracle this table is name ...
... All “truly” relational systems must have the system information stored in tables. These system tables are accessible in the same way as any other table. This means that a relational system will have: A table containing the list of tables that make up the data dictionary. In Oracle this table is name ...
Chapter 5
... What is a Constraint? Constraints are conditions that must hold on all valid relation states. An implicit constraint is the domain constraint ...
... What is a Constraint? Constraints are conditions that must hold on all valid relation states. An implicit constraint is the domain constraint ...
AppSleuth - New York University
... AppSleuth: a Tool for Database Tuning at the Application Level Wei Cao, Renmin University of China ...
... AppSleuth: a Tool for Database Tuning at the Application Level Wei Cao, Renmin University of China ...
Improving Domino and DB2 Performance Document Version 1
... The Domino add-in task, nCompact -B, performs basic in-place DB2 reorganizations on all tables and indexes associated with the DB2 enabled Notes database that you specify. The reorganization operation is performed on the entire set of tables that can be shared by multiple Notes databases that are en ...
... The Domino add-in task, nCompact -B, performs basic in-place DB2 reorganizations on all tables and indexes associated with the DB2 enabled Notes database that you specify. The reorganization operation is performed on the entire set of tables that can be shared by multiple Notes databases that are en ...
MDBS Schema Integration: The Relational Integration Model
... component (Part-of) relationships global terms for RIM are taken from the dictionary dictionary will allow user-defined words Future ...
... component (Part-of) relationships global terms for RIM are taken from the dictionary dictionary will allow user-defined words Future ...
Database Management - Courses - University of California, Berkeley
... • Well-designed database systems will permit the applications to scale to accommodate very large databases – A script that works fine scanning a small data file may become unusable when the file becomes large. – Issues of transaction workload on the site • Starting a separate copy of a CGI program f ...
... • Well-designed database systems will permit the applications to scale to accommodate very large databases – A script that works fine scanning a small data file may become unusable when the file becomes large. – Issues of transaction workload on the site • Starting a separate copy of a CGI program f ...
Using SAS with Oracle to Add a Replica of a Large Operational Database to a Data Warehouse
... first two descriptors were for the development team, and provided full update rights to the table. These two access descriptors had different buffsizes -- one to optimise the updating of the database, and the other to optimise the query access. One view descriptor was used to select all fields in th ...
... first two descriptors were for the development team, and provided full update rights to the table. These two access descriptors had different buffsizes -- one to optimise the updating of the database, and the other to optimise the query access. One view descriptor was used to select all fields in th ...
# or ## - how to reference SQL server temporary tables
... All major databases support temporary tables or temporary stored procedures. They’re regarded as “temporary” because a temporary table/procedure will be dropped once the user session/connection (that creates it) is closed. I’d like to mention the temporary things because (1) it’s a neat solution som ...
... All major databases support temporary tables or temporary stored procedures. They’re regarded as “temporary” because a temporary table/procedure will be dropped once the user session/connection (that creates it) is closed. I’d like to mention the temporary things because (1) it’s a neat solution som ...
Data Extraction, Transformation, and Loading Techniques
... Many data warehouses also incorporate data from non-OLTP systems, such as text files, legacy systems, and spreadsheets; such data also requires extraction, transformation, and loading. In its simplest form, ETL is the process of copying data from one database to another. This simplicity is rarely, i ...
... Many data warehouses also incorporate data from non-OLTP systems, such as text files, legacy systems, and spreadsheets; such data also requires extraction, transformation, and loading. In its simplest form, ETL is the process of copying data from one database to another. This simplicity is rarely, i ...
EASTERN ARIZONA COLLEGE Database Design and Development
... learner will learn how to avoid potential problems when merging third normal form relations. ...
... learner will learn how to avoid potential problems when merging third normal form relations. ...
The Kexi Handbook - KDE Documentation
... Kexi is a database management application. It can be used for creating databases, inserting data, performing queries, and processing data. Forms can be created to provide a custom interface to your data. All database objects - tables, queries and forms - are stored in the database, making it easy to ...
... Kexi is a database management application. It can be used for creating databases, inserting data, performing queries, and processing data. Forms can be created to provide a custom interface to your data. All database objects - tables, queries and forms - are stored in the database, making it easy to ...
Schema Summary A
... A suitable dataset must: 1) come with both data and schema information; 2) be complex enough for its summaries to be meaningful, and 3) have a set of known queries associated with it. we chose two benchmarks, one XML and one relational, and one real dataset ...
... A suitable dataset must: 1) come with both data and schema information; 2) be complex enough for its summaries to be meaningful, and 3) have a set of known queries associated with it. we chose two benchmarks, one XML and one relational, and one real dataset ...
chapter 7_ database administration
... data to enter in the WAREHOUSE column. The only possibility would be NULL. Therefore, if every column not included in a view can accept nulls, you can add new rows using the INSERT command. There is another problem, however. Suppose the user attempts to add a row to the HOUSEWARES view containing th ...
... data to enter in the WAREHOUSE column. The only possibility would be NULL. Therefore, if every column not included in a view can accept nulls, you can add new rows using the INSERT command. There is another problem, however. Suppose the user attempts to add a row to the HOUSEWARES view containing th ...
Designing Databases
... Using the Entity-relationship Diagram to Determine Record Keys • When the relationship is one-to-many, the primary key of the file at the one end of the relationship should be contained as a foreign key on the file at the many end of the relationship • A many-to-many relationship should be divided ...
... Using the Entity-relationship Diagram to Determine Record Keys • When the relationship is one-to-many, the primary key of the file at the one end of the relationship should be contained as a foreign key on the file at the many end of the relationship • A many-to-many relationship should be divided ...
Intro2SQL-2
... Each table’s rows need to be unique, i.e. needs to have a unique primary key. One method to achieve this is to give each row a row_id or numeric index. This index is auto-incremented every time a new row is inserted in the table. ...
... Each table’s rows need to be unique, i.e. needs to have a unique primary key. One method to achieve this is to give each row a row_id or numeric index. This index is auto-incremented every time a new row is inserted in the table. ...
Oracle_ch7 - Gonzaga University Student Web Server
... • Database account management is only one facet of data security • A new user account is created with the CREATE USER command – The IDENTIFIED BY clause contains the password for the account • System privileges are used to grant access to the database and to create, alter, and drop database objects ...
... • Database account management is only one facet of data security • A new user account is created with the CREATE USER command – The IDENTIFIED BY clause contains the password for the account • System privileges are used to grant access to the database and to create, alter, and drop database objects ...
A Metadata Approach to Resolving Semantic Conflicts
... A query that requests the trade price of Telecom SP will return the value 1107.25. Even in this simple relation, the natural interpretation of this value might not provide a complete understanding of the data. For example, this relation does not report all trade prices in US currency. Bather, prices ...
... A query that requests the trade price of Telecom SP will return the value 1107.25. Even in this simple relation, the natural interpretation of this value might not provide a complete understanding of the data. For example, this relation does not report all trade prices in US currency. Bather, prices ...
chapter8 slides Fichier
... _ Represent activities typically carried out to manipulate data: input and output data, data conversion and transformation (for instance, change the data type of an attribute, add a column, remove duplicates, and so on) _ We denote these tasks unary data tasks since they receive one input flow _ n-a ...
... _ Represent activities typically carried out to manipulate data: input and output data, data conversion and transformation (for instance, change the data type of an attribute, add a column, remove duplicates, and so on) _ We denote these tasks unary data tasks since they receive one input flow _ n-a ...
Lore: A Database Management System for
... based on regular expressions, along with syntactic wildcards such as \#", which matches any path of length 0 or more. Finally, \like %252" speci es that the data value should end with the string \252". The like operator is based loosely on SQL. We also support grep (similar to Unix) and soundex for ...
... based on regular expressions, along with syntactic wildcards such as \#", which matches any path of length 0 or more. Finally, \like %252" speci es that the data value should end with the string \252". The like operator is based loosely on SQL. We also support grep (similar to Unix) and soundex for ...
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... currently uses the Informix Relational Database Systemand interacts with the database through SQLqueries. Thus MICON’s information is organized into tables. For example, MICON has a part table since its basic object is a part. In MICON, parts can be abstract or physical. For example, a two input NAN ...
... currently uses the Informix Relational Database Systemand interacts with the database through SQLqueries. Thus MICON’s information is organized into tables. For example, MICON has a part table since its basic object is a part. In MICON, parts can be abstract or physical. For example, a two input NAN ...