Database schema ek database mein data ko organize karne ka tarika hota hai. Ye ek blueprint ya structure hoti hai jo database mein store kiye jane wale data ko define karta hai. Schema, database mein tables, columns, relationships, constraints, indexes, aur dusre database objects ko define karta hai.
Database schema ek blueprint ke tarah hoti hai jo batati hai ki database mein kis tarah ke data store honge, kaise organize honge, aur kis tarah se woh data ek dusre se related honge. Schema data integrity ko maintain karne mein bhi madad karta hai, jisse data ki consistency, accuracy, aur security ensure ki ja sake.
Har table ek schema mein ek alag section hota hai jisme columns ka naam aur data types define hote hain. Relationships ko represent karne ke liye foreign keys ka use hota hai jo alag tables ko link karte hain.
Overall, database schema ek database ki structure ko define karta hai, jisse database ko organize aur access karne mein madad milti hai.
