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By Clement Obere.
Clement Obere is a database architect from, Cross River State Nigeria with 20 years of experience in Oracle and SQL server among other database engines. He currently works KO digital as senior data consultant. Reach out to him on obereclement@gmail.com.
Database Architecture
Database architecture uses programming languages to design a particular type of software for business organizations.
Role of a Database Architect
To develop and implement software to meet the needs of users.
Normalization of Database
Database normalization is a technique of organising the data in the database
Aims of Database Normalization
- It eliminates data redundancy and undesirable characteristics like insert and delete Anomalies.
- It ensures data dependencies make sense and data is logically stored.
Normalization Rule
1. First normal form
2. Second normal form
3. Third normal form
4. BCNF
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WIN AN IPhone X see steps below.
NETWORK | Technology | GSM / HSPA / LTE | ||
---|---|---|---|---|
2G bands | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (dual-SIM model only) | |||
3G Network | HSDPA 850 / 900 / 1900 / 2100 | |||
4G Network | LTE band 1(2100), 3(1800), 5(850), 7(2600), 8(900), 20(800), 38(2600), 40(2300), 41(2500) | |||
Speed | HSPA, LTE-A | |||
GPRS | Yes | |||
EDGE | Yes |
LAUNCH | Announced | 2019, February | ||
---|---|---|---|---|
Status | Available. Released 2019, March |
BODY | Dimensions | 158.5 x 74.7 x 7.7 mm (6.24 x 2.94 x 0.30 in) | ||
---|---|---|---|---|
Weight | 166 g (5.86 oz) | |||
Build | Front glass, plastic body | |||
SIM | Single SIM (Nano-SIM) or Dual SIM (Nano-SIM, dual stand-by) |
DISPLAY | Type | Super AMOLED capacitive touchscreen, 16M colors | ||
---|---|---|---|---|
Size | 6.4 inches, 100.5 cm2 (~84.9% screen-to-body ratio) | |||
Resolution | 1080 x 2340 pixels, 19.5:9 ratio (~403 ppi density) | |||
Protection | Corning Gorilla Glass 3 |
PLATFORM | OS | Android 9.0 (Pie) | ||
---|---|---|---|---|
Chipset | Exynos 9610 (10nm) | |||
CPU | Octa-core (4x2.3 GHz Cortex-A73 & 4x1.7 GHz Cortex-A53) | |||
GPU | Mali-G72 MP3 |
MEMORY | Card slot | microSD, up to 512 GB (dedicated slot) | ||
---|---|---|---|---|
Internal | 128 GB, 6 GB RAM or 64 GB, 4 GB RAM |
MAIN CAMERA | Modules | 25 MP, f/1.7, 26mm (wide), PDAF 8 MP, f/2.2, 13mm (ultrawide) 5 MP, f/2.2, depth sensor | ||
---|---|---|---|---|
Features | LED flash, panorama, HDR | |||
Video | 1080p@30fps |
SELFIE CAMERA | Modules | 25 MP, f/2.0, 25mm (wide) | ||
---|---|---|---|---|
Features | HDR | |||
Video | 1080p@30fps |
SOUND | Loudspeaker | Yes | ||
---|---|---|---|---|
3.5mm jack | Yes | |||
Active noise cancellation with dedicated mic |
COMMS | WLAN | Wi-Fi 802.11 a/b/g/n/ac, dual-band, WiFi Direct, hotspot | ||
---|---|---|---|---|
Bluetooth | 5.0, A2DP, LE | |||
GPS | Yes, with A-GPS, GLONASS, GALILEO, BDS | |||
NFC | Yes (market dependent) | |||
Infrared port | No | |||
Radio | FM radio | |||
USB | 2.0, Type-C 1.0 reversible connector |
FEATURES | Sensors | Fingerprint (under display), accelerometer, gyro, proximity, compass | ||
---|---|---|---|---|
ANT+ |
BATTERY | Non-removable Li-Po 4000 mAh battery | |||
---|---|---|---|---|
Charging | Fast battery charging 15W | |||
Stand-by | ||||
Talk time |
MISC | |||
---|---|---|---|
Colors | Black, White, Blue, Coral | ||
SAR EU | 0.27 W/kg (head) 1.39 W/kg (body) | ||
Price | About 350 EUR |
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Islamic Coin
2023 is almost a wrap, are you still sitting on the fence? Be part of the Islamic Coin network.