Question: Question 1 4 When using UNION in SQL , which of the following statements is true? The queries involved must have different numbers of columns.

Question 14
When using UNION in SQL, which of the following statements is true?
The queries involved must have different numbers of columns.
The queries involved must have the same number of columns with the same data types.
The columns in the queries must be in different orders.
The columns in the queries must be of different data types.

Step by Step Solution

There are 3 Steps involved in it

1 Expert Approved Answer
Step: 1 Unlock blur-text-image
Question Has Been Solved by an Expert!

Get step-by-step solutions from verified subject matter experts

Step: 2 Unlock
Step: 3 Unlock

Students Have Also Explored These Related Programming Questions!

Q:

Please only provide answer, no explanation needed. Also, there are two sections with SIX QUESTIONS EACH that need to be completed. PAY CLOSE ATTENTION, I need the format with question # and part (Ex....

Q:

You have been provided with the description of a programming language, J, intended for scripting applications. Its syntax is similar to a cut-down version of Java in that it consists of function...

Q:

This question concerns lexical grammars. (a) Tree Adjoining Grammars contain two types of elementary tree. (i) What are these trees called? [1 mark] (ii) If one were building a grammar for English...

Q:

Week 3, Test Employee and Labor Relations, HMRD 620 Professor Dan Smith Contents: General Instructions Tips for Success Test General Instructions Instructions: Please read these carefully. Each class...

Q:

Unit1 1) The court's decision in Brown v. Board of Education had what effect on the decision made in Plessy v. Ferguson? a. It showed that precedent can be overruled and is not binding in every...

Q:

need solution of question 2 I will thumb you up 10 11 Q1 2% 12 6% 13 20% 14 15 beta 16 1.4 17 0.6 18 -0.2 19 beta 20 21 22 23 r 24 4% 25 il 5% 26 iii 7% 27 sd[r] 28 i 6% 29 ii 15% 30 21% 31 PO 50 32...

Q:

need solution for question 4 I will thumb you up 10 11 Q1 2% 12 6% 13 20% 14 15 beta 16 1.4 17 0.6 18 -0.2 19 beta 20 21 22 23 r 24 4% 25 il 5% 26 iii 7% 27 sd[r] 28 i 6% 29 ii 15% 30 21% 31 PO 50 32...

Q:

See page 129- 137 on attachment for more details there are five steps to the project. Step 1: Create the loan amortization schedule for the property. Step 2: Create the depreciation schedule. Step 3:...

Q:

What will answer for the below question. Qn 1 : - - - - - - - database link or PL / SQL subprograms in the schema can use this link to access database objects in the corresponding remote database. 1...

Q:

dee complete please help Complexity Theory (a) Defifine the set of Boolean expressions 2CNF and the language 2SAT over them. (b) For a Boolean expression in 2CNF, let G() be the directed graph with...

Q:

Repeat Prob. Using PSpice. In Problem 7.49 If the waveform in Fig. 7.116(a) is applied to the circuit of Fig. 7.116(b), find v(t). Assume v(0) = 0. i, (A) 6

Q:

Conduct a review of the code of corporate governance of the any MNC. Use the concepts, tools and techniques to review the structure, process and effectiveness of the governance of the chosen...

Q:

A _ _ _ _ _ _ _ is a budget that changes as a result of a change in activity level. Answer scenario plan flexible budget sensitivity analysis rolling forecast

Q:

6.If I select a target market of women who frequently use coupons, which categories of segmentation variables am I using? A. behavioral and lifestyle B. lifestyle and personality C. behavioral and dem