database - used to store information in tables, relational databases - many tables that can be linked, flat file database - has one table only, primary key - uniquely identifies each record in a table, foreign key - when the primary key in one table appears in another table, entity - be a single thing, person, place, or object, field - stores a single data item in a table, record - made up of individual fields that contain data about entities, query - used to filter and extract information from a database, forms - used to add, edit or delete data in a table, report - used to output data. can be created on tables and queries. , macro - software program that allows automation of repetitive tasks, import data - bring data in from another source, export data - send data out to another source, data type - determines the kind of data that will be stored, eg. a date or a time, boolean - yes or no value; true or false, captions - used to give 'proper English' names to field headings, data redundancy - unnecessary duplication of data in a database, data integrity - refers to the accuracy and consistency of data stored, field size - the number of characters needed for any field entry,
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Database key terms
Baham ko'rish
Baham ko'rish
Baham ko'rish
tomonidan
Jbarr2
Tarkibini tahrirlash
Chop etish
qo'shib qo'yish
Ko'proq
Tayinlashlar
Ilg'orlar ro'yxati
Ko'proq ko'rsatish
Kamroq koʻrsatish
Ushbu etakchilar jadvali hozirda xususiy. Uni ommaga etkazish uchun
Ulashish-ni
bosing.
Liderlar ro'yxati resurs egasi tomonidan o'chirib qo'yildi.
Ushbu etakchilar ro'yxati o'chirib qo'yilgan, chunki sizning variantlaringiz resurs egasidan farq qiladi.
Qaytish moslamalari
Tenglashtirish
ochiq-oydin shablon. Etakchilar ro'yxati uchun ballar yaratmaydi.
Tizimga kirish talab qilinadi
Vizual uslub
Shriftlar
Obuna talab etiladi
Moslamalar
Namunani almashtirish
Hammasini koʻrsatish
Faoliyatni o'ynaganingizda ko'proq formatlar paydo bo'ladi.
Ochiq natijalar
Bogʻdan nusxa olish
Tez javob kodi
& Olib tashlash
Tahrirlashni davom ettirish:
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