What is the difference between null value, zero, and blank space?
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Is the primary key an index?
Name the operator which is used in the query for pattern matching?
What is a boolean in sql?
What is difference between CHAR and VARCHAR2?What is the maximum SIZE allowed for each type?
Do triggers have restrictions on the usage of large datatypes, such as long and long raw?
Which one of the following pairs of aggregate functions do you use with character fields? 1. COUNT(field) and MAX(field) 2. AVG(field) and COUNT(field) 3. MIN(field) and SUM(field) 4. AVG(field) and MAX(field) 5. COUNT(field) and SUM(field)
how to drop an existing view in mysql? : Sql dba
What is the use of %rowtype?
what is sql server agent? : Sql dba
What is the execution plan in sql?
What is an Exception ? What are types of Exception ?
What is group function in sql?
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