Database design, and information storage and retrieval

Recommendations

Info

ICT for Library and Information Professionals: A Training Package for Developing Countries Student’s Guide Slide 7 Data validation v Data validation can be used to minimize the data entry errors. v These validation rules are saved in a separate file called dbase.val (where dbase is the database name) v Each line of the data validation file has the following general format: tag: format UNESCO ICTLIP Module 4. Lesson 4 ___________________________________ ___________________________________ ___________________________________ ___________________________________ ___________________________________ ___________________________________ ___________________________________ Slide 8 Data validation A Sample data validation file is given below: v to test the length of the field: If size v2 > 4 then ‘Field 2 is too long’ fi v To ensure that some fields cannot be skipped without entering data if a(v4) then ‘this field cannot be empty’ fi UNESCO ICTLIP Module 4. Lesson 4 ___________________________________ ___________________________________ ___________________________________ ___________________________________ ___________________________________ ___________________________________ ___________________________________ Slide 9 Global editing functions v When you click on the UTILS a menu appears which includes the global editing functions and advanced database utilities UNESCO ICTLIP Module 4. Lesson 4 ___________________________________ ___________________________________ ___________________________________ ___________________________________ ___________________________________ ___________________________________ ___________________________________ Module 4:Database Design, and Information Storage and Retrieval: Lesson 4 Page 33 of 59
ICT for Library and Information Professionals: A Training Package for Developing Countries Student’s Guide Slide 10 Global editing functions v Global editing allows you to Add; Delete or replace data within a field. v This can be applied to a range of MFNs or to a search set. UNESCO ICTLIP Module 4. Lesson 4 ___________________________________ ___________________________________ ___________________________________ ___________________________________ ___________________________________ ___________________________________ ___________________________________ Slide 11 System parameters v WinISIS uses many system parameters used in CDS/ISIS DOS version. v Parameters 0-5, 14 are the same as in DOS version v In addition to the parameters shown in the default SYSPAR.PAR file there are many new parameters in the Win version ; Isis for Windows - Configuration File 1=c:\winisis\prog \ 2=c:\winisis \menu\ 3=c:\winisis \msg\ 4=c:\winisis \work\ 5=c:\winisis \data \ ; Default language ; Activate Helpbar 121=1 141= c:\winisis \bg\ 142=10,1 980=1 130=1 122=64, 0, 0, 800, 600 UNESCO ICTLIP Module 4. Lesson 4 ___________________________________ ___________________________________ ___________________________________ ___________________________________ ___________________________________ ___________________________________ ___________________________________ Slide 12 Some useful system parameters v 0=file redirection (used when creating password files) v 137=close database confirmation v 102=default menu (DF). Access can restricted using SH v 125=database access restriction. Default value 0 allows for open access, 1 allows for restricted access from a list v 130=automatic inverted file update v 105=automatic display of search results v 980=Tabular display of search results UNESCO ICTLIP Module 4. Lesson 4 ___________________________________ ___________________________________ ___________________________________ ___________________________________ ___________________________________ ___________________________________ ___________________________________ Module 4:Database Design, and Information Storage and Retrieval: Lesson 4 Page 34 of 59
Page 1 and 2:
ICT for Library and Information Pro
Page 3 and 4:
Page 5 and 6:
Page 7 and 8:
Page 9 and 10:
Page 11 and 12:
Page 13 and 14:
Page 15 and 16:
Page 17 and 18:
Page 19 and 20:
Page 21 and 22:
Page 23 and 24:
Page 25 and 26:
Page 27 and 28:
Page 29 and 30:
Page 31 and 32:
Page 33 and 34:
Page 35 and 36:
Page 37 and 38:
Page 39 and 40:
Page 41 and 42:
Page 43 and 44:
Page 45 and 46:
Page 47 and 48:
Page 49 and 50:
Page 51 and 52:
Page 53 and 54:
Page 55 and 56:
Page 57 and 58:
Page 59 and 60:
Page 61 and 62:
Page 63 and 64:
Page 65 and 66:
Page 67 and 68:
Page 69 and 70:
Page 71 and 72:
Page 73 and 74:
Page 75 and 76:
Page 77 and 78:
Page 79 and 80:
Page 81 and 82:
Page 83 and 84:
Page 85 and 86:
Page 87 and 88:
Page 89 and 90:
Page 91 and 92:
Page 93 and 94:
Page 95 and 96:
Page 97 and 98:
Page 99 and 100:
Page 101 and 102:
Page 103 and 104:
Page 105 and 106:
Page 107 and 108:
Page 109 and 110:
Page 111 and 112:
Page 113 and 114:
Page 115 and 116:
Page 117 and 118:
Page 119 and 120:
Page 121 and 122:
Page 123 and 124:
Page 125 and 126:
Page 127 and 128:
Page 129 and 130:
Page 131 and 132:
Page 133 and 134:
Page 135 and 136: ICT for Library and Information Pro
Page 155 and 156: • Know how to use conversion prog
Page 157 and 158: 3. Learning Environment The minimum
Page 185: ICT for Library and Information Pro
Page 227: ICT for Library and Information Pro
show all

Database design, and information storage and retrieval

You also want an ePaper? Increase the reach of your titles

Delete template?

Save as template?