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Additional Basic Operations Questions and Answers PDF Download
An identifier, that is used to rename a relation is referred to as a
- Input variable
- Clone name
- Correlation name
- Table alias
For renaming attributes, the as clause can appear in
- Select clause
- Where clause
- From clause
- Both A and C
SQL provides a way of renaming the attributes of a result relation, taking the form
- old-name to new-name
- old-name as new-name
- ALTER old-name to new-name
- ALTER old-name at new-name
The Asterisk symbol '*' is used to denote all the attributes in a relation, and is used in
- Select clause
- Define clause
- From clause
- Where clause
SQL expresses patterns by using the operator
- Like
- AS
- "="
- %
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