Lecture 2
... programming interface) which is used by all SQL Server components. It includes services responsible for memory management, scheduling, deadlock detection, exception handling, etc. ...
... programming interface) which is used by all SQL Server components. It includes services responsible for memory management, scheduling, deadlock detection, exception handling, etc. ...
slides
... Metadata Features ResultSet metadata E.g., after executing query to get a ResultSet rs: ...
... Metadata Features ResultSet metadata E.g., after executing query to get a ResultSet rs: ...
Elmasri/Navathe, Fundamentals of Database Systems, Fourth
... Views in SQL A view is a “virtual” table that is derived from other tables Allows for limited update operations (since the table may not physically be stored) Allows full query operations A convenience for expressing certain operations (update some fields) Elmasri/Navathe, Fundamentals of Datab ...
... Views in SQL A view is a “virtual” table that is derived from other tables Allows for limited update operations (since the table may not physically be stored) Allows full query operations A convenience for expressing certain operations (update some fields) Elmasri/Navathe, Fundamentals of Datab ...
PPT - Courses - University of California, Berkeley
... a full scan can create wasted space Adding records requires rewriting file Updating records usually requires rewriting file I 257 – Fall 2015 ...
... a full scan can create wasted space Adding records requires rewriting file Updating records usually requires rewriting file I 257 – Fall 2015 ...
Designing linguistic databases: A primer for linguists Alexis
... General-purpose database management systems are based on some formal, general model for organizing data. By far the most common type of database in use today is the so-called relational database. All the well-known DBMSs are relational databases, including Oracle, MySQL, Postgres, FileMaker Pro and ...
... General-purpose database management systems are based on some formal, general model for organizing data. By far the most common type of database in use today is the so-called relational database. All the well-known DBMSs are relational databases, including Oracle, MySQL, Postgres, FileMaker Pro and ...
Element
... by the actions within the xsl:template element xsl:value-of selects (outputs) specified values (here, customer-name) For elements that do not match any template Attributes and text contents are output as is Templates are recursively applied on subelements ...
... by the actions within the xsl:template element xsl:value-of selects (outputs) specified values (here, customer-name) For elements that do not match any template Attributes and text contents are output as is Templates are recursively applied on subelements ...
Introduction to Database Systems, Data Modeling and SQL
... Relationships • How entities are related to each other, represented by lines with “crow’s feet” in the conceptual model diagram and generally implemented through the use of foreign keys in the logical model. ...
... Relationships • How entities are related to each other, represented by lines with “crow’s feet” in the conceptual model diagram and generally implemented through the use of foreign keys in the logical model. ...
MSword - Jim Gray
... Early database systems worried only about storing user data, and left program logic to other subsystems. Relational database systems added stored procedures and triggers as an afterthought -- for performance and convenience. Current database products let applications store and activate database syst ...
... Early database systems worried only about storing user data, and left program logic to other subsystems. Relational database systems added stored procedures and triggers as an afterthought -- for performance and convenience. Current database products let applications store and activate database syst ...
Data Logging with National Instruments Citadel 5
... serialized to disk (e.g. changing the compression algorithm by changing the value or time resolution, changing the type of Variable being logged to a Variant subtrace, or even changing the attributes that are set on the Variant. Setting attributes on Variants logged to Citadel is not recommended.) T ...
... serialized to disk (e.g. changing the compression algorithm by changing the value or time resolution, changing the type of Variable being logged to a Variant subtrace, or even changing the attributes that are set on the Variant. Setting attributes on Variants logged to Citadel is not recommended.) T ...
Ten Things You Can Do To Make InterBase Scream
... operation has no context with which to maintain its snapshot of the database. Windows ISQL and BDE tools do a certain amount of automatic transaction management, but it is helpful for performance to manually start and finish transactions. In the InterBase server engine, a snapshot is generated by ma ...
... operation has no context with which to maintain its snapshot of the database. Windows ISQL and BDE tools do a certain amount of automatic transaction management, but it is helpful for performance to manually start and finish transactions. In the InterBase server engine, a snapshot is generated by ma ...
CasJobs and MyDB: A Batch Query Workbench
... data sets. Each context corresponds to a particular instance of a database (that is, a database and server combination)—for example, there’s a DR5 context corresponding to the BestDR5 database, a DR4 context for the BestDR4 database, and so on—in addition to the MyDB context. We reference database ...
... data sets. Each context corresponds to a particular instance of a database (that is, a database and server combination)—for example, there’s a DR5 context corresponding to the BestDR5 database, a DR4 context for the BestDR4 database, and so on—in addition to the MyDB context. We reference database ...
Accounting 3603
... • Creating a database: – The set of commands used to create the database is known as data definition language (DDL). DDL is used to: • Build the data dictionary • Initialize or create the database • Describe the logical views for each individual user or programmer • Specify any limitations or constr ...
... • Creating a database: – The set of commands used to create the database is known as data definition language (DDL). DDL is used to: • Build the data dictionary • Initialize or create the database • Describe the logical views for each individual user or programmer • Specify any limitations or constr ...
Immutability Changes Everything
... boundary and can prescribe a new schema for the existing data. When creating an immutable DataSet, the semantics of the data may not be changed. All we can do is describe the contents the way they are at the time the DataSet is created. SQL DDL can be thought of as prescriptive meta-data since it is ...
... boundary and can prescribe a new schema for the existing data. When creating an immutable DataSet, the semantics of the data may not be changed. All we can do is describe the contents the way they are at the time the DataSet is created. SQL DDL can be thought of as prescriptive meta-data since it is ...
10 - Text Summarization
... SQL*Plus is a text editor available in all Oracle Except inside quotation marks of strings, Oracle commands are case-insensitive The semicolon (;) terminates a SQL statement The right-leaning slash (/) executes SQL statement stored in Oracle buffer SQL*Plus can be used to – Enter SQL state ...
... SQL*Plus is a text editor available in all Oracle Except inside quotation marks of strings, Oracle commands are case-insensitive The semicolon (;) terminates a SQL statement The right-leaning slash (/) executes SQL statement stored in Oracle buffer SQL*Plus can be used to – Enter SQL state ...
SQuirreL, a Universal SQL Client by Gerd Wagner and Glenn Griffin
... For anyone who needs to work with an RDBMS, SQuirreL can make life easier. What is SQuirreL? The SQuirreL SQL client provides a simple graphical interface to relational databases. Because it is built using Java, it can access any JDBC-compliant database running on any machine, allowing remote access ...
... For anyone who needs to work with an RDBMS, SQuirreL can make life easier. What is SQuirreL? The SQuirreL SQL client provides a simple graphical interface to relational databases. Because it is built using Java, it can access any JDBC-compliant database running on any machine, allowing remote access ...
Oracle_ch3 - Gonzaga University
... access various users need for the database. • Some users might be able to retrieve and update data in the database. Other users might be able to retrieve any data from the database but not make any changes to it. Still other users might be able to access only a portion of the database. ...
... access various users need for the database. • Some users might be able to retrieve and update data in the database. Other users might be able to retrieve any data from the database but not make any changes to it. Still other users might be able to access only a portion of the database. ...
Slide Template - Eastern Michigan University
... SQL*Plus is a text editor available in all Oracle Except inside quotation marks of strings, Oracle commands are case-insensitive The semicolon (;) terminates a SQL statement The right-leaning slash (/) executes SQL statement stored in Oracle buffer SQL*Plus can be used to – Enter SQL state ...
... SQL*Plus is a text editor available in all Oracle Except inside quotation marks of strings, Oracle commands are case-insensitive The semicolon (;) terminates a SQL statement The right-leaning slash (/) executes SQL statement stored in Oracle buffer SQL*Plus can be used to – Enter SQL state ...
Paper Title (use style: paper title)
... Recent development in hardware has led to rapidly dropping market prices of main-memory in the past years. This development made it economically feasible to use the main-memory as the primary data store of Database Management Systems (DBMS), which is the main characteristic of a main-memory DBMS. Re ...
... Recent development in hardware has led to rapidly dropping market prices of main-memory in the past years. This development made it economically feasible to use the main-memory as the primary data store of Database Management Systems (DBMS), which is the main characteristic of a main-memory DBMS. Re ...
DataGarage: Warehousing Massive Performance Data on
... counters collected from monitored servers. This is primarily due to the scale and the complexity of performance data. For example, one important design goal of performance data warehousing is to reduce storage footprint since an efficient storage solution can reduce storage, operational, and query p ...
... counters collected from monitored servers. This is primarily due to the scale and the complexity of performance data. For example, one important design goal of performance data warehousing is to reduce storage footprint since an efficient storage solution can reduce storage, operational, and query p ...
Entity Sets
... and a set of medical doctors. Associate with each patient a log of various tests and examinations conducted. ...
... and a set of medical doctors. Associate with each patient a log of various tests and examinations conducted. ...
Downstream Capture/Apply: Oracle Streams
... http://blog.nominet.org.uk/tech/2011/06/03/how-to-corrupt-your-data-dictionary-with-oracle-streams/ I hit this very same issue yesterday as I was working on the implementation. This is a classic case of 'listening' to the documentation and then getting burned by accident. Obviously in this case, I r ...
... http://blog.nominet.org.uk/tech/2011/06/03/how-to-corrupt-your-data-dictionary-with-oracle-streams/ I hit this very same issue yesterday as I was working on the implementation. This is a classic case of 'listening' to the documentation and then getting burned by accident. Obviously in this case, I r ...
Document
... – still required by many applications – can be layered on top of XORT if so desired ...
... – still required by many applications – can be layered on top of XORT if so desired ...
SAS Data Base Systems for Research and Development, Analysis and Data Collection
... The SAS language can be a very important data collection and analysis tool in a research and development environment. Database systeae utilizing SAS offer versatility. ease of use. and cost effectiveness. The purpose of this paper is to describe SAS based data collection and analysis systems that ha ...
... The SAS language can be a very important data collection and analysis tool in a research and development environment. Database systeae utilizing SAS offer versatility. ease of use. and cost effectiveness. The purpose of this paper is to describe SAS based data collection and analysis systems that ha ...
Institutionen för datavetenskap Storing and structuring big data with business Fredrik Andersson
... In a database system the hard disk is a bottleneck when considering the performance aspect. The main memory in a computer is in contrast to the hard disk a smaller but much faster memory, in reads and writes. The hard disk can be fifteen times slower than the memory bus which is a channel between th ...
... In a database system the hard disk is a bottleneck when considering the performance aspect. The main memory in a computer is in contrast to the hard disk a smaller but much faster memory, in reads and writes. The hard disk can be fifteen times slower than the memory bus which is a channel between th ...