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module, each driver has its own syntax for the DSN attributes. The only requirement that DBI makes is that all the information, except for username and password is supplied in a single string argument.
291:
Software (e.g., Crystal
Reports, Microsoft Excel, PHP, Perl, Python, Ruby) users can submit CRUD (Create, Read, Update, Delete) queries to a data source by establishing a connection to the DSN.
360:
using the PEAR::DB package to open a connection without an external DSN (a "DSN-less connection", i.e., using a
Connection String), the code might resemble the following
950:
243:– stored in collective configuration files (e.g., /etc/odbc.ini, ~/.odbc.ini) and/or system resources (e.g., Windows Registry HKLM\Software\ODBC\odbc.ini)
847:
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174:". Most systems do not make a distinction between DSNs or connection strings and the term can often be used interchangeably.
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377://$ dsn = "<driver>://<username>:<password>@<host>:<port>/<database>";
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The system administrator of a client machine generally creates a separate DSN for each relevant data source.
68:
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260:– accessible by any and all processes and users of the system, stored in a centralized location (e.g.,
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274:– accessible only by the user who created the DSN, stored in a user-specific location (e.g.,
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String that has an associated data structure used to describe a connection to a data source
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used to describe a connection to a data source. Most commonly used in connection with
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507:"DBI:mysql:database=$ database;host=$ hostname;port=$ port"
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and for other data access mechanisms. The term often overlaps with "
495:"DBI:Pg:database=finance;host=db.example.com;port=$ port"
599:
594:
473:
167:
163:
644:
298:) code to open a DSN connection might look like the following:
228:) can take advantage of this in accessing shared data sources.
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217:
29:
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519:"DBI:Oracle:host=$ host;sid=$ sid;port=$ port"
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DSN attributes may include, but are not limited to:
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279:
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60:. Unsourced material may be challenged and removed.
386:"mysql://john:pass@localhost:3306/my_db"
249:– stored in the filesystem with one DSN per file
431:"mysql:host=localhost;dbname=example"
656:
201:a user password for data access (if required)
154:" can comprise other repositories apart from
8:
663:
649:
641:
531:"DBI:SQLite:dbname=$ dbfilename"
120:Learn how and when to remove this message
615:
266://etc/odbc_file_dsns/<filename>
212:; various applications (for example:
208:Standardizing DSNs offers a level of
158:) is a string that has an associated
7:
58:adding citations to reliable sources
1044:
253:These are further broken down into
280:/~/odbc_file_dsns/<filename>
25:
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191:which can access the data source
34:
184:the location of the data source
45:needs additional citations for
1:
997:Database-centric architecture
198:for data access (if required)
330:"ADODB.Connection"
634:ODBC DSN connection strings
181:the name of the data source
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1012:Locks with ordered sharing
844:Entities and relationships
701:Database management system
1040:
890:Object–relational mapping
623:Connection String and DSN
232:Types of data source name
1079:Data access technologies
483:
422:
362:
348:"DSN=example;"
300:
236:Two kinds of DSN exist:
146:, sometimes known as a
166:, DSNs also exist for
791:information retrieval
1002:Intelligent database
148:database source name
54:improve this article
811:Activity monitoring
981:Online real estate
570:'password'
564:'username'
371:"DB.php"
69:"Data source name"
1066:
1065:
1027:Halloween Problem
1007:Two-phase locking
966:Facial expression
885:Abstraction layer
826:Negative database
781:Data manipulation
172:connection string
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16:(Redirected from
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140:data source name
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18:Data Source Name
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906:Virtualization
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420:PHP with PDO.
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287:Example of use
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160:data structure
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854:Normalization
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743:Administrator
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262:/etc/odbc.ini
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71: –
70:
66:
65:Find sources:
59:
55:
49:
48:
43:This article
41:
37:
32:
31:
19:
1052:
1042:
1032:Log shipping
976:Online music
961:Biodiversity
928:Preservation
686:Requirements
629:
618:
476:, using the
471:
419:
417:
365:require_once
355:
324:CreateObject
293:
290:
276:/~/.odbc.ini
271:
257:
252:
246:
241:Machine DSNs
240:
235:
207:
204:
176:
152:data sources
147:
143:
139:
131:
116:
107:
97:
90:
83:
76:
64:
52:Please help
47:verification
44:
1049:WikiProject
878:Programming
869:Cardinality
864:Refactoring
721:Application
258:System DSNs
210:indirection
1022:Publishing
956:Biological
899:Management
731:datasource
726:Connection
611:References
585:Datasource
464:$ password
458:$ username
150:, though "
110:April 2022
80:newspapers
1017:Load file
933:Integrity
923:Migration
850:notation)
821:Forensics
768:Languages
272:User DSNs
247:File DSNs
156:databases
136:computing
1073:Category
1059:Category
990:See also
951:Academic
943:Lists of
848:Enhanced
803:Security
672:Database
579:See also
478:Perl DBI
296:VBScript
916:caching
706:Machine
590:ADO.NET
552:connect
404:connect
196:user ID
94:scholar
971:Online
911:Tuning
859:Schema
836:Design
716:Server
711:Engine
696:Models
691:Theory
605:OLE DB
318:Server
214:Apache
96:
89:
82:
75:
67:
846:(and
816:Audit
786:Query
758:Tools
753:Types
558:$ dsn
549:->
540:$ dbh
525:$ dsn
513:$ dsn
501:$ dsn
489:$ dsn
452:$ dsn
437:$ dbh
425:$ dsn
410:$ dsn
380:$ dsn
294:ASP (
101:JSTOR
87:books
748:Lock
679:Main
600:ODBC
595:JDBC
474:Perl
392:$ db
342:Open
220:and
168:JDBC
164:ODBC
138:, a
73:news
736:DSN
546:DBI
472:In
446:PDO
443:new
358:PHP
356:In
309:Set
303:Dim
226:ASP
222:IIS
218:PHP
144:DSN
56:by
1075::
573:);
537:my
486:my
467:);
413:);
401:::
398:DB
374:);
278:,
264:,
194:a
133:In
664:e
657:t
650:v
567:,
561:,
555:(
543:=
534:;
528:=
522:;
516:=
510:;
504:=
498:;
492:=
461:,
455:,
449:(
440:=
434:;
428:=
407:(
395:=
389:;
383:=
368:(
351:)
345:(
339:.
333:)
327:(
321:.
315:=
282:)
268:)
224:/
216:/
142:(
123:)
117:(
112:)
108:(
98:·
91:·
84:·
77:·
50:.
20:)
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