databases Online Quiz - 43
|Description: databases Online Quiz - 43|
|Number of Questions: 20|
|Created by: Aliensbrain Bot|
Given below, What is the maximum level of data protection
Why to Choose a Non Unique primary index instead of a unique primary index
When utilizing a unique secondary index, how many AMP(s) are most probably accessed
Sybase char_length equialent of SQL is
How to change <> null in sybase to SQL?
" in sybase is changed to ' in sql
exp1 LIKE exp2 in sybase is changed to
*= operator belongs to SQL server 2008
Examine the structure of the EMPLOYEES table: EMPLOYEE_ID NUMBER Primary Key FIRST_NAME VARCHAR2(25) LAST_NAME VARCHAR2(25) Which three statements inserts a row into the table?
The database administrator of your company created a public synonym called HR for the HUMAN_RESOURCES table of the GENERAL schema, because many users frequently use this table. As a user of the database, you created a table called HR in your schema. What happens when you execute this query? SELECT * FROM HR;
Management has asked you to calculate the value 12*salary* commission_pct for all the employees in the EMP table. The EMP table contains these columns: LAST NAME VARCNAR2(35) NOT NULL SALARY NUMBER(9,2) NOT NULL COMMISION_PCT NUMBER(4,2) Which statement ensures that a value is displayed in the calculated columns for all employees?
The EMPLOYEE tables has these columns: LAST_NAME VARCHAR2(35) SALARY NUMBER(8,2) COMMISSION_PCT NUMBER(5,2) You want to display the name and annual salary multiplied by the commission_pct for all employees. For records that have a NULL commission_pct, a zero must be displayed against the calculated column. Which SQL statement displays the desired results?