Oracle NoSQL Database and Oracle Database: A Perfect
... Copyright © 2012, Oracle and/or its affiliates. All rights reserved. ...
... Copyright © 2012, Oracle and/or its affiliates. All rights reserved. ...
presentation source
... – While one processes is doing a disk read, another can be using the CPU or reading another disk. • DANGER DANGER! Concurrency could lead to incorrectness! – Must carefully manage concurrent data access. – There’s (much!) more here than the usual OS tricks! ...
... – While one processes is doing a disk read, another can be using the CPU or reading another disk. • DANGER DANGER! Concurrency could lead to incorrectness! – Must carefully manage concurrent data access. – There’s (much!) more here than the usual OS tricks! ...
Accounting 3603
... – Also, the same information may not have been consistent between files. • If a student changed his phone number, it may have been updated in one master file but not another. Accounting Information Systems, 11/e ...
... – Also, the same information may not have been consistent between files. • If a student changed his phone number, it may have been updated in one master file but not another. Accounting Information Systems, 11/e ...
SAS and ORACLE PL/SQL: Partners or Competitors'
... component of good system design. If a particular component of a modularized system fails, it should be easier to diagnose and solve the problem. Of necessity, a stored procedure or function “has knowledge of” the schema it is querying, so error messages you get in the course of writing the macro sho ...
... component of good system design. If a particular component of a modularized system fails, it should be easier to diagnose and solve the problem. Of necessity, a stored procedure or function “has knowledge of” the schema it is querying, so error messages you get in the course of writing the macro sho ...
Creating a maintenance plan for IBM Cognos Controller Proven Practice
... Place high-I/O-volume disks on different controllers. Most modern controllers can handle a limited number of concurrent operations, but using as many controllers as possible will eliminate any controller waits and will speed performance. Place busy files and tablespaces (e.g., log files, rollback se ...
... Place high-I/O-volume disks on different controllers. Most modern controllers can handle a limited number of concurrent operations, but using as many controllers as possible will eliminate any controller waits and will speed performance. Place busy files and tablespaces (e.g., log files, rollback se ...
Updating an MS SQL database from SAS
... Updating an MS SQL database table from SAS® PROC SQL without write access to the whole database, but to just one particular, already existing table is possible, but more complicated than just creating a new table from scratch. The MS SQL table does not need to have a structure already, possibly exis ...
... Updating an MS SQL database table from SAS® PROC SQL without write access to the whole database, but to just one particular, already existing table is possible, but more complicated than just creating a new table from scratch. The MS SQL table does not need to have a structure already, possibly exis ...
Getting to Know the SQL Server Management Studio
... Server triggers are DDL (Data Definition Language) triggers. They execute in response to changes being made to the structure of the database. They are great for both auditing and regulating database operations. For example, if SQL Server determined that there were more than a specified number of rec ...
... Server triggers are DDL (Data Definition Language) triggers. They execute in response to changes being made to the structure of the database. They are great for both auditing and regulating database operations. For example, if SQL Server determined that there were more than a specified number of rec ...
PL/SQL Triggers
... We may have columns that hold values that are derived from using other columns in a calculation. For example, Brewbean's may have a product sales summary table that holds the total quantity and dollar sales by product. If this table needs to be updated in real time, then a trigger could be used. Eve ...
... We may have columns that hold values that are derived from using other columns in a calculation. For example, Brewbean's may have a product sales summary table that holds the total quantity and dollar sales by product. If this table needs to be updated in real time, then a trigger could be used. Eve ...
Operations Manager - Microsoft Server and Cloud Partner Resources
... cmdlets you are guarantee that the cmdlet interface will not change and that the changes will be handled on the back end. ...
... cmdlets you are guarantee that the cmdlet interface will not change and that the changes will be handled on the back end. ...
Parallelism in Database Operations
... The reality is more complex. As the CPU faces a branching statement such as IF . . . THEN . . . ELSE . . . , it is forced to make a guess about the direction of the program flow. If the guess is wrong, pipelines need to be flushed and refilled with the correct branch. Branch mispredictions can cause ...
... The reality is more complex. As the CPU faces a branching statement such as IF . . . THEN . . . ELSE . . . , it is forced to make a guess about the direction of the program flow. If the guess is wrong, pipelines need to be flushed and refilled with the correct branch. Branch mispredictions can cause ...
Oracle Database. In-Memory Aggregation
... the need for indexes, summary tables or materialized views. In-Memory Aggregation typically provides a 3-8 times improvement in query performance over non-IMA plans, with more consistent performance and fewer longer running queries. Without the need to support objects such as indexes and summary tab ...
... the need for indexes, summary tables or materialized views. In-Memory Aggregation typically provides a 3-8 times improvement in query performance over non-IMA plans, with more consistent performance and fewer longer running queries. Without the need to support objects such as indexes and summary tab ...
NNM Data Warehouse and Remote Database Connectivity
... database. This phase should complete successfully. NOTE: Ensure that the paths you specify for the data and index directories have sufficient disk space before proceeding. Insufficient disk space causes ovdbsetup to fail. Please read the warning in the Configuring Oracle with ovdbsetup section of “I ...
... database. This phase should complete successfully. NOTE: Ensure that the paths you specify for the data and index directories have sufficient disk space before proceeding. Insufficient disk space causes ovdbsetup to fail. Please read the warning in the Configuring Oracle with ovdbsetup section of “I ...
SQL – Part II
... orders is including CustumerID from both tables B/C it is a common field between two as PK and FK. ...
... orders is including CustumerID from both tables B/C it is a common field between two as PK and FK. ...
1995-01-01:1996-12-31
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10003
Bob
60000
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JDBC driver - renenergy2011.net
... While making this program firstly we should establish the connection with MySQL database through theJDBC driver. When the connection has been established, pass the table name in the database query and use some java methods to get the detail description of table. When the program will gets execute th ...
... While making this program firstly we should establish the connection with MySQL database through theJDBC driver. When the connection has been established, pass the table name in the database query and use some java methods to get the detail description of table. When the program will gets execute th ...
Proceedings of MobiSys 2003: The First International Conference on
... pressed as mobile transactions (or simply transactions where no confusion may arise). A mobile transaction is a small program written in a subset of the PL/SQL [13] language. The following changes to PL/SQL have been introduced: (1) commit and rollback statements end the execution of a mobile transa ...
... pressed as mobile transactions (or simply transactions where no confusion may arise). A mobile transaction is a small program written in a subset of the PL/SQL [13] language. The following changes to PL/SQL have been introduced: (1) commit and rollback statements end the execution of a mobile transa ...
Concurrency_Control_Techniques
... Ti starts its write phase after Tj completes its write phase, and the read_set of Ti has no items in common with the write_set of Tj Both the read_set and write_set of Ti have no items in common with the write_set of Tj, and Tj completes its read phase. When validating Ti, the first condition is che ...
... Ti starts its write phase after Tj completes its write phase, and the read_set of Ti has no items in common with the write_set of Tj Both the read_set and write_set of Ti have no items in common with the write_set of Tj, and Tj completes its read phase. When validating Ti, the first condition is che ...
DBC-e03-Access-Workbench-Section-03-PP
... The results are sorted by Date in ascending order (earliest date to latest date) The results are shown for the customer with the CustomerID of 3, which is Jessica Christman ...
... The results are sorted by Date in ascending order (earliest date to latest date) The results are shown for the customer with the CustomerID of 3, which is Jessica Christman ...
slides
... On subsequent requests which are part of the same session, the agent automatically sends that session id along with the request to the application service; this identifies the session. We won't generally make session id's visible; they're just the mechanism used to ensure that the middle tier connec ...
... On subsequent requests which are part of the same session, the agent automatically sends that session id along with the request to the application service; this identifies the session. We won't generally make session id's visible; they're just the mechanism used to ensure that the middle tier connec ...
Using Database Performance Warehouse to Monitor Microsoft SQL
... Therefore, the original Database Performance Warehouse architecture contains a characteristic named Database name. This characteristic always contains the database name you chose when you setup the Database Performance Warehouse. But one SQL Server instance contains, at a minimum, the four system da ...
... Therefore, the original Database Performance Warehouse architecture contains a characteristic named Database name. This characteristic always contains the database name you chose when you setup the Database Performance Warehouse. But one SQL Server instance contains, at a minimum, the four system da ...
Whitepaper: AWS Database Migration Service Best Practices
... AWS DMS will create the target schema objects that are needed to perform the migration. However, AWS DMS takes a minimalist approach and creates only those objects required to efficiently migrate the data. In other words, AWS DMS will create tables, primary keys, and in some cases, unique indexes. I ...
... AWS DMS will create the target schema objects that are needed to perform the migration. However, AWS DMS takes a minimalist approach and creates only those objects required to efficiently migrate the data. In other words, AWS DMS will create tables, primary keys, and in some cases, unique indexes. I ...
Spis treści 1 Cursors
... • CURSOR_ALREADY_OPEN - A program attempts to open an already open cursor. A cursor must be closed before it can be reopened. • DUP_VAL_ON_INDEX - A program attempts to store duplicate values in a column that is constrained by a unique index. • INVALID_CURSOR - A program attempts a cursor operation ...
... • CURSOR_ALREADY_OPEN - A program attempts to open an already open cursor. A cursor must be closed before it can be reopened. • DUP_VAL_ON_INDEX - A program attempts to store duplicate values in a column that is constrained by a unique index. • INVALID_CURSOR - A program attempts a cursor operation ...
Ch04.PowerPoint
... A primary key is a candidate key that has been selected to uniquely identify records in a relation – Selection of primary key: It must be unique within its domain at all times The candidate key can never change It cannot hold a NULL value ...
... A primary key is a candidate key that has been selected to uniquely identify records in a relation – Selection of primary key: It must be unique within its domain at all times The candidate key can never change It cannot hold a NULL value ...