SQL Practice Test 30
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The aggregate function count of an empty collection is said to be
- Always unity
- 0
- Infinite
- Unknown
Statement used for identification of embedded SQL requesting to the preprocessor, is
- EmbedSQL
- EXECSQL
- SQLBegin
- EXECSTART
The logical connectives i.e. and, or, and not are permitted by the SQL to be defined at the clause
- Define clause
- From clause
- Where clause
- Select clause
Indication of cascading revocation can be expressed through the keyword
- Revoke
- Cascade
- Assign
- Arrange
The symbol ?*? is used to denote all the attributes in a relation, and is defined in the clause
- Select clause
- Define clause
- From clause
- Where clause
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