- Data types
- Primary keys
- Default values
- All of the above
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What is an SQL virtual table that is constructed from other tables?
Answer: Option 2 Let'
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When using SQL*Plus, Oracle commands, column names, table names and all other database elements:?
Answer: Option 1 Let'
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Two men and women are entrusted with a task. The second man needs three hours more to cope up with the job than the second man and the woman would need working together. The first man, working alone, would need as much time as second man and the woman working together. The first man working alone, would spend eight hours less than the double period of the time second man would spend working alone. How much time would the two men and the women need to complete the task if they all asked together?
Answer: Option 1 Difference in times required by the first man (A) and second man (B) = 3 hours. Also, if ta and tb are the respective times, then tb -...
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Which command is used to remove a table from the database in SQL?
Answer: Option 2 Let'
1 Answers 1 views
In SQL, which command(s) is(are) used to enable/disable all triggers on a table?
Answer: Option 2 Let'
1 Answers 126 views
In SQL, which command is used to add new rows to a table?
Answer: Option 3 Let'
1 Answers 1 views
In SQL, which command is used to add a column/integrity constraint to a table?
Answer: Option 4 Let'
1 Answers 3 views
In SQL, which command is used to changes data in a table?
Answer: Option 1 Let'
1 Answers 1 views
Which command(s) is(are) used to redefine a column of the table in SQL ?
Answer: Option 1 Let'
1 Answers 1 views