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Wysłany: Wto 23:41, 09 Lis 2010 Temat postu: uggs ireland VB-based database access technology _ |
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Database access technology based on VB
Turn p. 79) 4 Zhang M et al: Remote Sensing Image Based on Oracle9i Database Technology Research and Implementation of 79DIB conducted consistent with the conventional approach, the treatment effect observed for not only the final result of the situation arising. 6 Design and Implementation of the prototype system during the experiment, the preparation of the Oracle9i database based prototype system for remote sensing image database, the remote sensing image data contains a large amount of data, and Oracle database management system itself larger memory requirements,uggs ireland, therefore,ghd haarglätter, the computer running the database server hardware requirements higher. Experimental test data used is about 20GB, the system test environment using a P42.0GCPU, 512G memory PC. Experiments show that Ora. cle9i remote sensing image database management system in the actual operation is feasible. References: [1] Ni Jinsheng, Li Qi, Cao Xuejun. Remote sensing and geographic information systems and implementation of the basic theory [M]. Beijing: Electronic Industry Press, 2004. [2] XU Shi-liang. Assembly commonly used algorithm [M]. Beijing: Tsinghua University Press, 1996. [3] Jian-Ya Gong. The concept of Spatial Database Management and Development System [J]. Surveying and Mapping, 2001,26 (3) :4-10. [4] Zhang Yongsheng. Remote Sensing Image Information System [M]. Science Press, 2000. [5] WANG Mi, Gong Jianya. Extended relational database based on remote sensing image database management system and its implementation [J]. Geomatics Engineering, 2002,27 (5) :1-3. [6] Xing Ling Peng,ghd styler, Luo Yingwei. Interoperability of spatial information sharing and analysis of the key issues [J]. Computer Engineering, 2003,29 (12) :31-33. (Continued from page 75) cnn ・ openrst. cursorlocation = aduseclientrst. open the data table name, cnn, adopenkeyset. 1ockpessimistic2.3 to access the database using the ADO control,ugg botas, dynamic path S = App. PathDataEnvironment1. rsCommand1. Openselect * fromxwhere names like Liu * ad'3 conclusion IfRight (str, 1) \ nIenstr = s twenty + \ S = Provider = Microsoft. Jet. 0LEDB. 3.51: PersistSecurityInfo = False: DataSource = & S & database name Adodc1. ConnectionString = SAdodc1. CommandType = adCmdTextAdodc1. RecordSource = select * from table name Adodc1. Refresh2.4 DataEnvironment the database using a data link environment, the dynamic path DataEnvironment1. Connection1. OpenApp. Path & VtstudentlXSmdb \Programming using VB to access Access database design provides a reliable method of access to other databases for some reference value. References: [1] Song Qi Fan, Fu Jingping. Develop database applications using VisualBasic [M]. Beijing: Electronic Industry Press ,ghd deutschland,1996:68-80. [2] Liu Fu Ying. VisualBasic Tutorials [M]. Chengdu: University of Electronic Science and Technology Publishing House ,1999:286-296. [3] cattle and Qi, Sun Jianguo. New VisualBasic programming tutorial [M]. Suzhou: Suzhou University Press ,2002:247-258. [4] JohnClarkCraig, JeffWebb. MS. VisualBasic6.0 [M]. Beijing: Beijing University Press ,1999:255-265. [5] Song Wei, Wu Jianguo. Chinese VisualBasic6.0 Advanced bream process [M]. Beijing: Tsinghua University Press ,1999:210-220.
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