SQL 3 LOWER()

SQL 3 LOWER()

Professional Development

10 Qs

quiz-placeholder

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SQL 3 LOWER()

SQL 3 LOWER()

Assessment

Quiz

Computers

Professional Development

Practice Problem

Easy

Created by

Jolita Kuncienė

Used 6+ times

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

SQL funkcija, sujungianti kelias simbolių eilutes, reikšmes.

LOWER()

TRIM()

REPLACE()

CONCAT()

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Kaip SQL iš DATATIME formato stulpelio, grąžintum metai-mėnuo-diena?

naudočiau ROUND(return_date)

naudočiau DATE(stulpelis)

naudočiau MAX(return_date)

naudočiau REPLACE(return_date)

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Suapvalinti reikšmę iki sveikųjų skaičių naudotum

LOCATE('@', email)

UPPER(address.address)

 round(amount, 0)

substring(first_name, 1, 1)

4.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Kokį duomenų tipą naudotum "email" stulpeliui sukurti, aprašyti?

Sveiki skaičiai: (pvz.: INT)

Tekstas (pvz.: CHAR, VARCHAR)

Data ir laikas (pvz: DATE)

FLOAT(X,Y)

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

CHAR vs VARCHAR

VARCHAR yra kintamo ilgio, o CHAR yra fiksuoto ilgio

VARCHAR yra fiksuoto ilgio, o CHAR yra kintamo ilgio

CHAR() užimtų 3 baitus

VARCHAR(100) užima 100 baitų diske

6.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Kokia reikšmė teisinga šia stulpeliui - SKELBIMO_KAINA float(10,2) ?

120

120,25

120, 245

100

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Kokius žinote datos formatus?

VARCHAR(size), CHAR(size)

INT(size), SMALLINT(size)

DATE, TIME, DATETIME, TIMESTAMP

FLOAT(size, d), DOUBLE(size, d)

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