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Computing

Computing · Quick practice · answer shown after each question

Databases

Question 1 of 10

Question 1 of 10

A database table is made up of

Question 2 of 10

Question 2 of 10

In a database table, a single row is a

Question 3 of 10

Question 3 of 10

The SQL command to change existing data is

Question 4 of 10

Question 4 of 10

Normalisation aims mainly to

Question 5 of 10

Question 5 of 10

The SQL query SELECT COUNT(*) FROM students WHERE age > 16 returns

Question 6 of 10

Question 6 of 10

The SQL command used to retrieve data is

Question 7 of 10

Question 7 of 10

Normalisation in databases aims to

Question 8 of 10

Question 8 of 10

A many-to-many relationship in a relational database is implemented using

Question 9 of 10

Question 9 of 10

Which SQL clause filters rows?

Question 10 of 10

Question 10 of 10

Which SQL command adds new rows to a table?

Questions written by OtisamLMS in the style of the WASSCE. They are not WAEC past questions.