big data for the sql server dba

... or NoSQL databases are the OLTP databases of the big data world; they are optimized for very fast data capture and simple query patterns NoSQL databases are able to provide very fast performance ... 6Building a Big Data Platform As with data warehousing, web stores or any IT platform, an infrastructure for big data has unique requirements In considering all the components of a big data platform, ... dynamic data structures NoSQL databases are frequently used to acquire and store big data They are well suited for dynamic data structures and are highly scalable The data stored in a NoSQL database

Ngày tải lên: 19/02/2014, 12:20

... 1Using the SQL Server FOR XML Clause With a standard SQL SELECT statement, you submit your SELECT statement to the database for execution and get results back in the form of rows SQL Server extends ... CustomerID FOR XML RAW Note This SELECT statement is contained in a T-SQL script named ForXmlRaw.sql, which is located in the sql directory for this chapter You can load the ForXmlRaw.sql T-SQL script ... indicate the XML mode Table 16.1 shows a description of the keywords used in the FOR XML clause In the next sections, you'll examine some examples of the use of the FOR XML clause Table 16.1: FOR

Ngày tải lên: 14/12/2013, 22:15

... Freebase and the corpus into two halves One database-corpus pair is used for training and the other pair for testing We evaluate the precision over the 103 highest-probability predictions on the test ... of the author(s) and do not necessarily reflect the view of DARPA, AFRL, or the US government We are thankful for the gen-erous support from the Center for High Through-put ComThrough-puting, the ... we vary the size of the corpus in the train pair and the number of human labels; the pre-cision reaches a dramatic peak when we the corpus size is above 105 and uses little human feedback This

Ngày tải lên: 30/03/2014, 17:20

... Ignore: The Business Case for Big Data Before then, I didn’t tweet about #BigData very often, much less the title of the book (#TooBigToIgnore).But not everything changes—at least with me For instance, ... Note on Other Dataviz Texts 25Plan of Attack 26 Next 27 Notes 27 Chapter 1 The Ascent of the Visual Organization 29 The Rise of Big Data 30 Open Data 30 The Burgeoning Data Ecosystem 33 The New ... Before You Run At Least for Now 140 A Dataviz Is Often Just the Starting Point 140 Visualize Both Small and Big Data 141 Don’t Forget the Metadata 141 Look Outside of the Enterprise 143 The

Ngày tải lên: 02/03/2019, 10:34

... centered on the enterprise data warehouse and data marts, and on the best practices for defining, populating, and analyzing the data in them Optimal relational database design for structured data and ... clusters, NoSQL databases, and other emerging data management solutions We extend the description of initiatives driving the adoption of the extended information architecture to include the Internet ... Chapter ■ Big Data Solutions and the Internet of Things level of education, and more The desire for more of these key performance indicators (KPIs) combined with population growth drove the need for

Ngày tải lên: 04/03/2019, 13:42

... needs and whether there are any resources locally to help them Also ask if there are any other carers and their roles and who has the ultimate responsibility to care for an/the OVCs in the household ... to behavior that may increase their vulnerability to HIV/AIDS; probe for some of these Again if none of them reports any of these, probe for ‘others’, whether other carers are at risk or not ... HIV/AIDS in their communities They might not have the exact numbers but should merely say how big/small the problem is The first question asks about the community’s awareness rather than the carer’s

Ngày tải lên: 19/02/2014, 00:20

... error, 40 Oracle PL/SQL language in. See PL/SQL skills needed for managing, 6–7 SQL Server database migration to, 9–13 SQL Server vs. See SQL Server vs. Oracle storage requirements for files, 61–62 ... 304–305 oracle user, 51–52 326 Oracle Database Administration for Microsoft SQL Server DBAs schema, 98–101 server, 95–98 SQL Server database owners, 99 SQL Server vs. Oracle, 243 viewing session, ... 226–228 SQL Server Agent, scheduling jobs, 191–192 SQL Server Integration Services (SSIS), migration, 9 SQL Server Management Studio defined, 104 OEM vs., 105 Server tab of OEM vs., 107 SQL Server

Ngày tải lên: 04/07/2014, 05:20

... Oracle Database Administration for Microsoft SQL Server DBAs Grants SQL Server has roles available to grant read-only or write permissions against a database for the users of that database. If these ... periodically run the scripts. Job Scheduling With SQL Server, the msdb database holds the information about jobs and schedules, and the SQL Server Agent service must be running for the jobs to be ... recompiled. The object will appear with INVALID as the status in the dba_objects table. The data dictionary view dba_synonyms shows synonyms. The synonym name needs to be unique to the schema. If there

Ngày tải lên: 04/07/2014, 05:20

... '"MMALCHER"."REORGEMP"'); END; Trang 3In the SQL statement that is created for the job, the value for job_ actionis actually the name of the chain The chain is defined by the programs and the rules For this example, ... be completed with an END To view the SQL for the job, click the Show SQL button in the upper-right corner of the job-creation page The SQL statement shows how the job is created using DBMS_SCHEDULER ... frees up the space In SQL Server, you have the same options as with the transaction logs to shrink datafiles There is some movement of the segments to bring down the high water mark so that the file

Ngày tải lên: 04/07/2014, 05:20

... The fact table has the index based on the ID being joined and could have another column in the index as well In this example, the information is on the joins of the IDs for the other tables The ... are made to the data in the master table, they are stored in the materialized view log, and then the log information is used for the refresh of the materialized view There can be only one materialized ... can be gathered for this column This virtual column can then be indexed Indexes for Views Views use the indexes on their associated tables to build the information in the view, but there might

Ngày tải lên: 04/07/2014, 05:20

... has managed teams responsible for both database administration and database engineering for Oracle, DB2, Teradata, and SQL Server She has been largely responsible for database/system administration, ... modeling, and database architecture of very large database environments She has administered environments supporting multiple database platforms, including Oracle, SQL Server, and Sybase As a DBA, she ... tort or otherwise This book is dedicated to all of the hard-working DBAs who learn of ways to work smarter and then share that information so that others can learn as well About the Author...

Ngày tải lên: 04/07/2014, 05:20

... listing the SQL Server and Oracle commands or components related to the topic This makes it easy for those who are familiar with how to something in SQL Server to find the information they need for ... different database platforms that they use for storing the data This means that DBAs need the skills to support mixed environments Oracle database solutions are a large part of a robust enterprise database ... they relate to the SQL Server ways of doing things, providing translations between the two platforms It compares some of the standard practices and looks at how the internals of the database require...

Ngày tải lên: 04/07/2014, 05:20

... manage SQL Server databases Java Database Connectivity (JDBC) drivers will need to be configured with Oracle SQL Developer before the SQL Server tab is present to connect to the SQL Server database ... support the SQL Server system you are managing Now let’s look at how these skills provide a starting point for learning Oracle Oracle Database Administration for Microsoft SQL Server DBAs SQL Server ... an Oracle database, a way to convert the definitions of the tables from SQL Server datatypes to Oracle datatypes, a way to move the data over to the new system, and a way to convert the stored...

Ngày tải lên: 04/07/2014, 05:20

... Oracle Database Administration for Microsoft SQL Server DBAs nother name for this chapter could be The Guts of Oracle.” What is it doing in there? It is obvious that the inside workings of SQL Server ... values for the memory available for the server Memory it uses is limited to the memory available on the server The minimum value does not affect how much memory SQL Server will start with, but rather ... statements, data blocks, and log buffers The PGA is the workload area for server processes Figure 2-1 shows the memory parameters for the SGA and PGA In Oracle9i Database and Oracle Database 10g, the...

Ngày tải lên: 04/07/2014, 05:20

... System-level Information For SQL Server databases and logins, the master database has the details The master database contains the system information and server configurations So, where is the master database ... just as there are services for the SQL Server instance and SQL Server Agent On Windows, an Oracle service needs to be started for the database There is also a listener in the service list for Oracle the ... new to version SQL Server 2008 There are also system tables at the database level There are many more tables in both the SQL Server master database and Oracle data dictionary The Oracle catalog...

Ngày tải lên: 04/07/2014, 05:20

... allows for analyzing the data for flashback query operations For all of these cases, the undo tablespace must have a before image of the data The undo tablespace should be sized to hold the larger ... have the keyword in their name) sp_configure remote show parameter buffers TABLE 2-1 Viewing Parameters 33 34 Oracle Database Administration for Microsoft SQL Server DBAs For SQL Server, the options ... plan for the number of users accessing the server ■ SESSIONS Number of allowable sessions You need to restart the database to change this value, so plan for the number of users accessing the server...

Ngày tải lên: 04/07/2014, 05:20

... 45 46 Oracle Database Administration for Microsoft SQL Server DBAs Since SQL Server DBAs are familiar with the Windows platform, we will first discuss the Windows setup for Oracle Then we will ... find the compatibility matrix and the system requirements for the server As shown in Table 3-1, the requirements listed are minimum values; they might not be adequate for some systems to perform ... Installation User Account for Installation The installer creates the ORA _DBA group automatically on the Windows platform A standard practice with SQL Server is to create another user that has administrator...

Ngày tải lên: 04/07/2014, 05:20

... server logs For datafiles and one control file For backups For archive logs For data dump files and exports Another location for control files Control files contain information about the datafiles ... the basics If you don’t have enough memory in which to store the database— whether it’s SQL Server or Oracle—fast read access is great For backing up data and applications that are heavy on the ... Administration for Microsoft SQL Server DBAs With Oracle Database 10g and even 11g R2, the ASM installation was part of the database software installation routine Starting with Oracle Database 11g...

Ngày tải lên: 04/07/2014, 05:20

... be removed Upgrading the Database As part of the installation, if an Oracle database already exists on the server, there will be an option to upgrade the database The Oracle Database Upgrade Assistant ... that the software can be installed in pieces, such as first some components like Clusterware and ASM, and then the binaries for the database system The database creation can be done as part of the ... change the Oracle home directory FIGURE 3-6 Selecting basic or advanced installation 65 66 Oracle Database Administration for Microsoft SQL Server DBAs The advanced installation allows for the following:...

Ngày tải lên: 04/07/2014, 05:20

... database is data and information that is collected together for the ability to access and manage.” The term server could refer to the actual server hardware or to the database server A SQL Server ... they are only at the server level The Oracle database is almost like the instance level for SQL Server The Oracle database is the overall group of datafiles and system information The Oracle software, ... of the defaults being set up in the model database for other databases SQL Server databases can be a different collation and a 77 78 Oracle Database Administration for Microsoft SQL Server DBAs...

Ngày tải lên: 04/07/2014, 05:20