Backup_and_Recovery
... at 2:00 A.M. and then took an incremental image copy at the same time the following three mornings. The full image copy plus all three incremental image copies need to be applied to recover the tablespace. If the same column of the same row was updated on Tuesday to "A", Wednesday to "B", and Thursd ...
... at 2:00 A.M. and then took an incremental image copy at the same time the following three mornings. The full image copy plus all three incremental image copies need to be applied to recover the tablespace. If the same column of the same row was updated on Tuesday to "A", Wednesday to "B", and Thursd ...
Building and Configuring Slony
... consumed. Each replica can also pass those blocks along to other servers--this is the mechanism of cascading replicas. A new master may be on transaction block 17 relative to the old master, when another replica is on transaction block 20 relative to the old master. Switching to the new master cause ...
... consumed. Each replica can also pass those blocks along to other servers--this is the mechanism of cascading replicas. A new master may be on transaction block 17 relative to the old master, when another replica is on transaction block 20 relative to the old master. Switching to the new master cause ...
Chapter 7: Relational Database Design
... Example: Set of accounts stored with each customer, and set of owners stored with each account We assume all relations are in first normal form (and revisit this in ...
... Example: Set of accounts stored with each customer, and set of owners stored with each account We assume all relations are in first normal form (and revisit this in ...
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 ...
Chapter 7: Relational Database Design
... Suppose we had started with bor_loan. How would we know to split up (decompose) it into borrower and loan? [is the repetition by chance??] ...
... Suppose we had started with bor_loan. How would we know to split up (decompose) it into borrower and loan? [is the repetition by chance??] ...
STORAGE TIERING FOR DB2 FOR LINUX, UNIX, AND WINDOWS (LUW) WITH
... have different I/O workload profiles – some heavy and some light, some sequential and some random, and so on. By placing each database into its own set of file systems, or other volume manager disk groups, it makes it easier to place the right data on the right storage type. This approach also helps ...
... have different I/O workload profiles – some heavy and some light, some sequential and some random, and so on. By placing each database into its own set of file systems, or other volume manager disk groups, it makes it easier to place the right data on the right storage type. This approach also helps ...
Lecture 7 - Relational Algebra II
... account AN, BN, BAL * 1.05 (account) where AN, BN and BAL stand for account-number, branch-name and balance, respectively. Pay all accounts with balances over $10,000 6 percent interest ...
... account AN, BN, BAL * 1.05 (account) where AN, BN and BAL stand for account-number, branch-name and balance, respectively. Pay all accounts with balances over $10,000 6 percent interest ...
Oracle Warehouse Builder 11g
... data warehouse. So if you are building your first data warehouse, it is a good idea to read through each chapter sequentially to gain maximum benefit from the book. Those who have already built a data warehouse and just need a refresher on some basics can skip around to whatever topic they need at t ...
... data warehouse. So if you are building your first data warehouse, it is a good idea to read through each chapter sequentially to gain maximum benefit from the book. Those who have already built a data warehouse and just need a refresher on some basics can skip around to whatever topic they need at t ...
ORACLE DATA WAREHOUSE ON EMC SYMMETRIX VMAX 40K
... focuses on the baseline performance and functionality needed to manage a modern data warehouse, such as query, data load, and other routing data warehouse management tasks. ...
... focuses on the baseline performance and functionality needed to manage a modern data warehouse, such as query, data load, and other routing data warehouse management tasks. ...
R - WISE
... Suppose we had started with bor_loan. How would we know to split up (decompose) it into borrower and loan? ...
... Suppose we had started with bor_loan. How would we know to split up (decompose) it into borrower and loan? ...
... Agreement or any equivalent agreement between us. Any performance data contained herein was determined in a controlled environment. Therefore, the results obtained in other operating environments may vary significantly. Some measurements may have been made on development-level systems and there is n ...
Support of Oracle features in SQL Navigator 5.1
... You can invoke the Server-Side Installation Wizard from the Tools menu. The wizard requires connection as a DBA user so that the SQLNAV user can be created, as well as a number of roles. The wizard permits you to specify a password of your choice for this user. Note that the option "Base SQLNAV Repo ...
... You can invoke the Server-Side Installation Wizard from the Tools menu. The wizard requires connection as a DBA user so that the SQLNAV user can be created, as well as a number of roles. The wizard permits you to specify a password of your choice for this user. Note that the option "Base SQLNAV Repo ...
informatik - FernUni Hagen
... gave examples for different classes and referred to relevant mining algorithms in the literature. The next logical step is to build tools that can, more generally, identify classes of patterns. In this paper, we are interested in the other perspective. It is focused on the development of query metho ...
... gave examples for different classes and referred to relevant mining algorithms in the literature. The next logical step is to build tools that can, more generally, identify classes of patterns. In this paper, we are interested in the other perspective. It is focused on the development of query metho ...
ORACLE EXADATA DATABASE MACHINE X3-2
... processors and storage to be deployed seamlessly into existing Exadata Database Machines. Similarly, new software releases are compatible with older Exadata Database Machines. As your database deployments grow, the Exadata system grows as required. Extreme Performance by Offloading Data Intensive Pr ...
... processors and storage to be deployed seamlessly into existing Exadata Database Machines. Similarly, new software releases are compatible with older Exadata Database Machines. As your database deployments grow, the Exadata system grows as required. Extreme Performance by Offloading Data Intensive Pr ...
Chapter 14: Query Optimization
... Conceptually, generate all equivalent expressions by repeatedly executing the following step until no more expressions can be found: for each expression found so far, use all applicable equivalence rules, and add newly generated expressions to the set of expressions found so far The above appr ...
... Conceptually, generate all equivalent expressions by repeatedly executing the following step until no more expressions can be found: for each expression found so far, use all applicable equivalence rules, and add newly generated expressions to the set of expressions found so far The above appr ...
ppt
... If another session already has locks on the rows in the active set, then the SELECT FOR UPDATE will hang until the other session releases the lock. To handle this situation the parameter NOWAIT is available, which in case the rows are locked,OPEN will return the error ORA-54 resource busy and acquir ...
... If another session already has locks on the rows in the active set, then the SELECT FOR UPDATE will hang until the other session releases the lock. To handle this situation the parameter NOWAIT is available, which in case the rows are locked,OPEN will return the error ORA-54 resource busy and acquir ...
Database Tuning Principles
... aggregates well, so they are taking over the data warehouse market from some of the specialized vendors. Further, they have extended their transactional models to support ecommerce. Because relational systems are such an important part of the database world, this book concentrates on the major ones: ...
... aggregates well, so they are taking over the data warehouse market from some of the specialized vendors. Further, they have extended their transactional models to support ecommerce. Because relational systems are such an important part of the database world, this book concentrates on the major ones: ...
A Stored Procedure
... The first command is DELIMITER //, which is not related to the stored procedure syntax. The DELIMITER statement changes the standard delimiter which is semicolon ( ; ) to another. In this case, the delimiter is changed from the semicolon ( ; ) to double-slashes //. Why do we have to change the delim ...
... The first command is DELIMITER //, which is not related to the stored procedure syntax. The DELIMITER statement changes the standard delimiter which is semicolon ( ; ) to another. In this case, the delimiter is changed from the semicolon ( ; ) to double-slashes //. Why do we have to change the delim ...
Getting started with IBM Data Studio for DB2
... Agreement or any equivalent agreement between us. Any performance data contained herein was determined in a controlled environment. Therefore, the results obtained in other operating environments may vary significantly. Some measurements may have been made on development-level systems and there is n ...
... Agreement or any equivalent agreement between us. Any performance data contained herein was determined in a controlled environment. Therefore, the results obtained in other operating environments may vary significantly. Some measurements may have been made on development-level systems and there is n ...