What is the unique index?
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What does <> sql mean?
What packages(if any) has oracle provided for use by developers?
explain about mysql and its features. : Sql dba
What is data profiling in sql?
How do you respond to dementia behavior?
When to use inner join and left join?
Explain what is a view?
Is primary key clustered or nonclustered?
Is truncate ddl or dml?
What is the main difference between a UNION statement and a UNION ALL statement? 1. A UNION statement eliminates duplicate rows; a UNION ALL statement includes duplicate rows. 2. A UNION statement can be used to combine any number of queries; a UNION ALL statement can be used to combine a maximum of two queries. 3. A UNION statement can only combine queries that have parallel fields in the SELECT list; a UNION ALL statement can combine queries with differing SELECT list structures. 4. A UNION statement cannot be used with aggregate functions; a UNION ALL statement can be used with aggregate functions. 5. There is no difference between the two statements; they are interchangeable.
Fetch an entire row from the employees table for a specific employee ID:
Does pl sql work in mysql?
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