detaabes

kisi computer pranaali par sanchit aankade (deta) ko computer detaabes kehte hai. in aankadon ko kisi vishesh paddati ka anusaran karte hue sangrah kiya jaata hai. in in aankadon ke aadhaar ek kisi prashn (jijnyaaasa) ka samaadhaan sheeghrata se praapt kiya ja sakta hai. prashn poochhane ke liye ek vishesh computer bhaasha ka prayog kiya jaata hai. jijnyaaasa ke samaadhaan ke roop mein praapt aankade samyak nirnaya lene mein sahaayak hote hain. aise computer program jo computer par aankadon ko sangrah karne, unka prabandhan (aankade jodana, parivrtit karna, parivrdhit karna aadi) karne evam aakadon par aadhaarit prashn poochhane ke kaam aate hain, unhe detaabes prabandhan pranaali (bi di M S) kehte hai.

jijnyaaasa (query) ka ek udaaharan:

kisi sanstha ke karmachaariyon ke detaabes par yeh jijnyaaasa ki ja sakti hai ki kaun-kaun se karmachaari 30 varsh se kam umr ke hain tatha jinki aay 3 lakh roopaye vaarshik se adhik hai.

detaabes ki sabse mahatvapoorn sankalpana (kaansept) yeh hai ki detaabes rikaadon (chhoti-chhoti soochanaaon) ka sangrah hai.

aankadon ki taarkik sanrachana ke liye bhinn-bhinn takaneeke prayog mein laayi jaati hain.

• Flat model
• Hierarchical model
• Network model
• Relational model
• Object database models
• Post-relational database models (udaaharan : PICK aka MultiValue, and MUMPS.)
• Fuzzy Database

aaj ka yug soochana ka yug hai. soochana aankadon par aadhaarit hoti hai. is kaaran vartamaan yug mein detaabes bahut upayogi hai. bank, railway aarakshan tatha vibhinn sarkaari vibhaag tarah-tarah ke aankadon ke aadhaar par hi kaam karte hain.

• detaabes ka vistrut parichay - yahaaain par detaabes ke baare mein hindi mein sampoorn jaankaari di gayi hai.