
Unle ashing the Full Potenti alof the ORA CL E DBMS byLever
... apart from literals. I recommend reading the section Top Ten Mistakes Found in Oracle Systems on page 3–4 of Oracle Database Performance Tuning Guide 10g Release 2 before beginning design and coding of an application. While bind variables are mandatory to achieve scalability in high volume transacti ...
... apart from literals. I recommend reading the section Top Ten Mistakes Found in Oracle Systems on page 3–4 of Oracle Database Performance Tuning Guide 10g Release 2 before beginning design and coding of an application. While bind variables are mandatory to achieve scalability in high volume transacti ...
Grid Portal System Based on GPIR - Digital Science Center
... since it is an open source project, there is no per CPU license. To summarize, Hypersonic SQL is well adapted for standalone desktop applications written in Java. It is also useful for testing and prototyping. PostgreSQL is originally a database management system that developed at the University of ...
... since it is an open source project, there is no per CPU license. To summarize, Hypersonic SQL is well adapted for standalone desktop applications written in Java. It is also useful for testing and prototyping. PostgreSQL is originally a database management system that developed at the University of ...
Leveraging SQL Return Codes When Querying Relational Databases
... that for our purposes provides a quick yes or no answer to the question “was the task successful”. By itself it‟s not much help in figuring out what went wrong but we can use it to identify if there is a problem and as a pointer to the course of action we want to take. As a general rule, for SAS ret ...
... that for our purposes provides a quick yes or no answer to the question “was the task successful”. By itself it‟s not much help in figuring out what went wrong but we can use it to identify if there is a problem and as a pointer to the course of action we want to take. As a general rule, for SAS ret ...
ADT Parameter in Connection URL and ASU
... If ASU is ON, ADT is OFF and in connection URL ADT is OFF. In this case ASU will turn ON ADT but will be turned OFF by connection URL. So finally ASU will be ON and ADT will be OFF. So for this connection no data truncation event will be there and hence ASU will have nothing to update even though it ...
... If ASU is ON, ADT is OFF and in connection URL ADT is OFF. In this case ASU will turn ON ADT but will be turned OFF by connection URL. So finally ASU will be ON and ADT will be OFF. So for this connection no data truncation event will be there and hence ASU will have nothing to update even though it ...
Chapter 3
... releases of Oracle, CKPT was an optional server thread whose responsibilities would otherwise be performed by LGWR. The System Monitor (SMON) During database processing, an Oracle instance's system monitor (SMON) background thread performs many internal operations, some of which you might never even ...
... releases of Oracle, CKPT was an optional server thread whose responsibilities would otherwise be performed by LGWR. The System Monitor (SMON) During database processing, an Oracle instance's system monitor (SMON) background thread performs many internal operations, some of which you might never even ...
GCSE COMPUTING THEORY
... Sometimes you want a whole computer system as a back up. Failure in some systems is not an option, such as in an aeroplane or nuclear power station. If one computer system fails a redundant system can take over. Some modern planes have fly by wire systems that try to make sure the pilot does not mak ...
... Sometimes you want a whole computer system as a back up. Failure in some systems is not an option, such as in an aeroplane or nuclear power station. If one computer system fails a redundant system can take over. Some modern planes have fly by wire systems that try to make sure the pilot does not mak ...
Siebel Systems & Microsoft
... Siebel OM uses Server side API cursors For List applet functionality i.e. to maintain user state and support pending result sets To support multiple active statements per connections Fast Forward cursor with auto-fetch or Dynamic cursor when accessing text columns Sometimes there is an imp ...
... Siebel OM uses Server side API cursors For List applet functionality i.e. to maintain user state and support pending result sets To support multiple active statements per connections Fast Forward cursor with auto-fetch or Dynamic cursor when accessing text columns Sometimes there is an imp ...
for COBOL
... By design, the COBOL runtime interfaces with any file system storing and retrieving record buffers and taking advantage, when requested, of indexes over those record buffers. The c-treeACE ISAM interface excels at this task. Therefore, it was natural to implement the required interfaces via the c-tr ...
... By design, the COBOL runtime interfaces with any file system storing and retrieving record buffers and taking advantage, when requested, of indexes over those record buffers. The c-treeACE ISAM interface excels at this task. Therefore, it was natural to implement the required interfaces via the c-tr ...
repository interoperability
... • special subjects / communities: other metadata specifications may be required\ – describe resources in a specialised way – definition of an XML schema (publicly available for validation) ...
... • special subjects / communities: other metadata specifications may be required\ – describe resources in a specialised way – definition of an XML schema (publicly available for validation) ...
PDO - Ilia Alshanetsky
... driver:decl_type - The data type of the column according to the database. flags – will return any flags particular to this column in a form of an array. name – the name of the column as returned by the database without any normalization. len – maximum length of a string column, may not always be ava ...
... driver:decl_type - The data type of the column according to the database. flags – will return any flags particular to this column in a form of an array. name – the name of the column as returned by the database without any normalization. len – maximum length of a string column, may not always be ava ...
PHP Data Objects Layer (PDO)
... available, will be set to -1 if it isn’t. precision - The numeric precision of this column. pdo_type - The column type according to PDO as one of the ...
... available, will be set to -1 if it isn’t. precision - The numeric precision of this column. pdo_type - The column type according to PDO as one of the ...
Resume
... Created SQL databases in Azure IAAS and PAAS. Implemented SQL Server 2014 and 2016 always on availability groups in Azure IAAS. Deployed SQL Server 2014/2012 Databases to SQL Azure PAAS. Created Disaster Recovery Plans and tested them. Implemented High Availability plans like Always on Availability ...
... Created SQL databases in Azure IAAS and PAAS. Implemented SQL Server 2014 and 2016 always on availability groups in Azure IAAS. Deployed SQL Server 2014/2012 Databases to SQL Azure PAAS. Created Disaster Recovery Plans and tested them. Implemented High Availability plans like Always on Availability ...
PC Passport: Databases
... the category of information, such as the contact name or address. In a flat-file database, different types of information are not broken out into separate tables but are included in one table. The same data might (and generally does) appear in multiple records in the table. For example, a customer’s ...
... the category of information, such as the contact name or address. In a flat-file database, different types of information are not broken out into separate tables but are included in one table. The same data might (and generally does) appear in multiple records in the table. For example, a customer’s ...
Data Access Patterns
... • i.e. automatic transaction recovery is based on use of transaction history which saves addresses and ”before images” of all changed / deleted rows • For inserted rows the ”before image” is empty • In ROLLBACK operation the server simply restores the before images of all rows affected by the transa ...
... • i.e. automatic transaction recovery is based on use of transaction history which saves addresses and ”before images” of all changed / deleted rows • For inserted rows the ”before image” is empty • In ROLLBACK operation the server simply restores the before images of all rows affected by the transa ...
WhatsUp Gold v16.1 Database Migration and Management Guide
... This section explains how to migrate the WhatsUp Gold database from an instance of Microsoft SQL Server 2008 R2 Express Edition installed on the same computer as WhatsUp Gold to a local or remote instance of Microsoft SQL Server 2008 R2. To use this portion of the guide SQL Server Management Studio ...
... This section explains how to migrate the WhatsUp Gold database from an instance of Microsoft SQL Server 2008 R2 Express Edition installed on the same computer as WhatsUp Gold to a local or remote instance of Microsoft SQL Server 2008 R2. To use this portion of the guide SQL Server Management Studio ...
stmt.executeUpdate(insertString)
... // when needed, create instance of Thread testThread = new Thread(this, “Test”); ...
... // when needed, create instance of Thread testThread = new Thread(this, “Test”); ...
Oracle 10g (OCP) Certification Preparation
... images by backing up only used blocks. This was great for databases that were over-sized, however, this didn’t help for large databases with little free space. The AS COMPRESSED BACKUPSET option of the BACKUP command allows RMAN to perform binary compression of backupsets. The resulting backupsets d ...
... images by backing up only used blocks. This was great for databases that were over-sized, however, this didn’t help for large databases with little free space. The AS COMPRESSED BACKUPSET option of the BACKUP command allows RMAN to perform binary compression of backupsets. The resulting backupsets d ...
Chapter 20
... • Java Database Connectivity (JDBC) allows SQL commands to be inserted into Java code – In order to use it, both JDBC and a database system compatible with it must be installed – A JDBC driver for the database system may need to be downloaded and installed as well ...
... • Java Database Connectivity (JDBC) allows SQL commands to be inserted into Java code – In order to use it, both JDBC and a database system compatible with it must be installed – A JDBC driver for the database system may need to be downloaded and installed as well ...
Preventing Data Errors with Continuous Testing
... that data [3]. The ubiquity of data errors [21, 33, 75, 76] has resulted in significant research on data cleaning [13, 20, 38, 67, 69, 77] and data debugging [4, 37]. Such work, focusing on identifying likely data errors, inconsistencies, and statistical outliers can help improve the quality of a no ...
... that data [3]. The ubiquity of data errors [21, 33, 75, 76] has resulted in significant research on data cleaning [13, 20, 38, 67, 69, 77] and data debugging [4, 37]. Such work, focusing on identifying likely data errors, inconsistencies, and statistical outliers can help improve the quality of a no ...
Zephyr: Live Migration in Shared Nothing Databases for Elastic
... copy it to the destination. An optimization, Iterative State Replication (ISR), is to use an iterative approach, similar to [13], where the checkpoint is created and iteratively copied. The source checkpoints the tenant’s database and starts migrating the checkpoint to the destination, while it cont ...
... copy it to the destination. An optimization, Iterative State Replication (ISR), is to use an iterative approach, similar to [13], where the checkpoint is created and iteratively copied. The source checkpoints the tenant’s database and starts migrating the checkpoint to the destination, while it cont ...
SQL Server 2008 R2 Enterprise edition enables several dimensions
... eight processors with no limitation on the number of cores, to more efficiently sustain and balance load under these and other demanding workload conditions. ...
... eight processors with no limitation on the number of cores, to more efficiently sustain and balance load under these and other demanding workload conditions. ...
Integrity
... for each pair of transactions T1 and T2 such that T2 reads a data item previously written by T1, the commit operation of T1 appears before the read operation of T2 •Every cascadeless schedule is also recoverable • It is desirablee to restrict the schedules to those that are cascadeless ...
... for each pair of transactions T1 and T2 such that T2 reads a data item previously written by T1, the commit operation of T1 appears before the read operation of T2 •Every cascadeless schedule is also recoverable • It is desirablee to restrict the schedules to those that are cascadeless ...
Triggers, Functions and Stored Procedures
... Data definition language triggers, which differ from data manipulation triggers, fire based on events that occur at the server and database level. For example, you can create a data definition trigger that will fire when a database or table is created. These triggers are commonly used for auditing t ...
... Data definition language triggers, which differ from data manipulation triggers, fire based on events that occur at the server and database level. For example, you can create a data definition trigger that will fire when a database or table is created. These triggers are commonly used for auditing t ...
Database model

A database model is a type of data model that determines the logical structure of a database and fundamentally determines in which manner data can be stored, organized, and manipulated. The most popular example of a database model is the relational model, which uses a table-based format.