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Cross joins and Natural Joins

1. The following is a valid SQL statement. SELECT e.employee_id, e.last_name, d.location_id, department_id FROM employees e JOIN departments d USING (department_id) ; True or False? Mark for Review (1… more →

ORACLE Academy © 2009

Cross joins and Natural Joins

Alex wrote 5 hours ago: 1. The following is a valid SQL statement. SELECT e.employee_id, e.last_name, d.location_id, departm … more →

Etichete DQuiz Section 04, 4, And..., Cross, Database, Joins, Natural, quiz, section

Putting It All Together

Alex wrote 5 hours ago: 1. A NATURAL JOIN is based on: Mark for Review (1) Points Columns with the same name and datatype (* … more →

Etichete News, 4, All, Database, IT, putting.., quiz, section, SQL

Self Joins and Hierarchical Queries

Alex wrote 5 hours ago: 1. Which select statement will return the last name and hire data of an employee and his/ her manage … more →

Etichete DQuiz Section 03, 3, And..., Database, hierarchical, Joins, queries, quiz, section

Outer Joins

Alex wrote 5 hours ago: 1. The following is a valid outer join statement: SELECT c.country_name, d.department_name FROM coun … more →

Etichete DQuiz Section 03, 3, Database, Joins, outer, quiz, section, SQL, with

Nonequijoins

Alex wrote 5 hours ago: 1. Which statement about joining tables with a non-equijoin is false? A WHERE clause must specify a … more →

Etichete DQuiz Section 03, 3, Database, Nonequijoins, quiz, section, SQL, with

Cartesian Product and the Join Operations

Alex wrote 5 hours ago: 1. If table A has 10 rows and table B has 5 rows, how many rows will be returned if you perform an e … more →

Etichete DQuiz Section 03, 3, And..., Cartesian, Database, Join, Operations, Product, quiz

Conditional Expressions

Alex wrote 5 hours ago: 1. CASE and DECODE evaluate expressions in a similar way to IF-THEN-ELSE logic. However, DECODE is s … more →

Etichete DQuiz Section 02, 2, conditional, Database, Expressions, quiz, section, SQL, with

Null Functions

Alex wrote 5 hours ago: 1. Consider the following data in the Employees table: last_name commission_pct manager_id King null … more →

Etichete DQuiz Section 02, 2, Database, functions, null, quiz, section, SQL, with

Conversion Functions

Alex wrote 5 hours ago: 1. A table has the following definition: EMPLOYEES( EMPLOYEE_ID NUMBER(6) NOT NULL, LAST_NAME VARCHA … more →

Etichete DQuiz Section 02, 2, Conversion, Database, functions, quiz, section, SQL, with

Date Functions

Alex wrote 5 hours ago: 1. Which query would return a whole number if the sysdate is 26-MAY-04? SELECT TRUNC(MONTHS_BETWEEN( … more →

Etichete DQuiz Section 01, 1, Database, Date, functions, quiz, section, SQL, with

Number Functions

Alex wrote 5 hours ago: 1. What is the result of the following SQL Statement: SELECT ROUND(45.923,-1) FROM DUAL; 46 45.9 50 … more →

Etichete DQuiz Section 01, 1, Database, functions, number, quiz, section, SQL, with

Case and Character Manipulation

Alex wrote 1 day ago: 1. Identify the output from the following SQL statement: SELECT RPAD(‘SQL’,6, ‘* … more →

Etichete DProgramming with SQl, DQuiz Section 01, 1, Case and Character Manipulation, Database, quiz, Quiz Section 0, section, SQL

Database Design

Alex wrote 1 month ago: Enjoy your free source of cheating, and my advice ,,Don’t Worry, Be HappY!” Section 00 – Stude … more →

Etichete database design, 1, 10, 11, 1,2, 13, 16, $17, 18

Oracle Database în locul lui Visual Fox

George wrote 2 months ago: Oracle Database De anul ăsta ne rupem capul în Oracle. Şi când zic că ne rupem capul mă refer la înv … more →

Etichete Programare, HTML, Oracle, Open-Source, php, mysql, CSS, Database, visual fox

FACES.MD vs IMPULSE.BG — 14 comments

rezolution wrote 1 year ago: Desigur , ambele sunt site-urile companiei NEOGEN . Nici nu merge vorba de plagiat sau ceva de genul … more →

Etichete Internet & Hi-Tech, MoldNet, Personal, Design, Internet, simpals, Web


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