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Select StatementQuestions & Answers
Master Select Statement with verified practice questions, step-by-step logic, and deep conceptual explanations.
Study Guide & Core Focus Areas
When reviewing Select Statement, pay special attention to edge cases, time/space complexity tradeoffs, and syntax nuances. Attempt each question independently before revealing the explanation to reinforce active recall.
Topic Question Index
Which statement is used to manipulate data without affecting the data in the table?Which operator is equivalent to the ‘or’ operator?How to retrieve department_id column without any duplication from employee relation?Select the suitable option for retrieving all the employees whose name ends with "kumar"?Select the suitable option for retrieving all the employees whose salary range is between 40000 and 100000?Which statement about SQL is true?Select the suitable option for retrieving all the employees who have a manager?Which statement is true regarding distinct keywords?You need to remove all the data from the employee table while leaving the table definition intact. You want to be able to undo thi…Which option is used to delete data from both parent and child tables?How do we represent comments in oracle?Which query will change the cust_address to 'Panama' for those who are from ‘Los Angeles’?Which statement is used to update multiple rows in a single query?A DML statement is used to modify the structure of the database. State True or false.Which statements are true regarding constraints?Which query will delete all the data in the Employee table that belongs to the employee id 1207?Create table subjects(Sub_id number(2) primary key,Subj_name varchar(50)); Insert into subjects values (null,’Oracle’); What will …Which statement is true when a DROP TABLE command is executed on a table?Practice more topics
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