Explain the meaning of the SQL EXISTS comparison operator.
Question:
Explain the meaning of the SQL EXISTS comparison operator.
Fantastic news! We've Found the answer you've been seeking!
Step by Step Answer:
Answer rating: 37% (8 reviews)
EXISTS is a logical operator ...View the full answer
Answered By
Nazrin Ziad
I am a post graduate in Zoology with specialization in Entomology.I also have a Bachelor degree in Education.I posess more than 10 years of teaching as well as tutoring experience.I have done a project on histopathological analysis on alcohol treated liver of Albino Mice.
I can deal with every field under Biology from basic to advanced level.I can also guide you for your project works related to biological subjects other than tutoring.You can also seek my help for cracking competitive exams with biology as one of the subjects.
3.30+
2+ Reviews
10+ Question Solved
Related Book For
Database Processing Fundamentals, Design, and Implementation
ISBN: 978-0133876703
14th edition
Authors: David M. Kroenke, David J. Auer
Question Posted:
Students also viewed these Computer science questions
-
Answer Review Question 8.10, but use the SQL EXISTS comparison operator.
-
Explain the meaning of each of the transaction isolation levels under Options shown in Figure 10C-82. Scope Options Transaction isolation level GLOBAL READ UNCOMMITTED SESSION READ COMMITTED...
-
A cellular operator needs a database to keep track of its customers, their subscription plans, and the handsets (mobile phones) that they are using. The E-R diagram in Figure 2-24 illustrates the key...
-
Consider a cube that has 5cm length sides. What is the surface area to volume ratio of this cube? Report your answer in cm/cm Report your answer to one decimal place. QUESTION 12 Consider a cube that...
-
Presented below are transactions related to Li Company, Ltd. 1. On December 3, Li sold HK$580,000 of merchandise to South China Co., Ltd. Terms 1/10, n/30, FOB shipping point. The cost of the...
-
Calculate the cost of debt. Calculate the cost of equity. Calculate the weight of debt and equity. Calculate the WACC. Table 4 Stock Info Amount Bond Info Amount Shares Outstanding 100 Face value...
-
Assume that the flowrate, \(Q\), of a gas from a smokestack is a function of the density of the ambient air, \(ho_{a}\), the density of the gas, \(ho_{g}\), within the stack, the acceleration of...
-
Refer to Cornerstone Exercise 7.3. Now assume that Valron Company uses the sequential method to allocate support department costs. The support departments are ranked in order of highest cost to...
-
Demanding Nursing profession. It has become an especially challenging hiring and ongoing management category in recent years. Covid, overall workload demands, advanced education requirements, and...
-
Each of the flowchart segments in Figure 3-24 is unstructured. Redraw each segment so that it does the same processes under the same conditions, but is structured. a. D Yes NO Yes B? E? No F H C. Yes...
-
Explain the processing of SQL-Query-CH08-06 on page 402.
-
Write a correlated subquery to determine whether the data support the supposition in question 8.4.
-
A solar company invests in the following securities. Identify those investments as either an investment in debt (D) securities or equity (E) securities. _____ a. U.S. treasury bonds _____ b. Google...
-
The real return on short-term government bonds implied by Table 1 is less than 1 percent per year. Why do people save at all if this relatively risk-free return is so low?
-
O Select a suitable UB section to function as a simply supported beam carrying a 140mm thick solid concrete slab together with an imposed load of 7.0kN/m. Beam span is 7.2m and beams are spaced at...
-
A company is faced with the problem of assigning six different machines to five different jobs. Solve the problem assuming that the objective is to minimize the total cost
-
During this mitosis exercise, you will identify the various stages (Interphase, Prophase, Metaphase, Anaphase, and Telophase) of cell division. The following figure can be used as a guideline. the...
-
Describe a lump sum, an annuity due, an ordinary annuity, and multiple cash flows. How are the present value and future value calculated for each? What is an APR? What is an EAR? How are they...
-
Tom and AliceHoneycutt, ages 35 and 36, respectively, live at 101 Glass Road, Delton,MI 49046. Tom is a county employee, and Alice is a self-employed accountant. Toms Social Security number is...
-
Express mass density in kg/m3 and weight density in lb/ft3. 1. Find the mass density of a chunk of rock of mass 215 g that displaces a volume of 75.0 cm3 of water. 2. A block of wood is 55.9 in. x...
-
Suppose T is a multiway tree in which each internal node has at least five and at most eight children. For what values of a and b is T a valid (a,b) tree?
-
Consider an initially empty memory cache consisting of four pages. How many page misses does the FIFO algorithm incur on the following page request sequence: (2,3,4,1,2,5,1,3,5,4,1,2,3)?
-
Karen has a new way to do path compression in a tree-based union/find partition data structure starting at a position p. She puts all the positions that are on the path from p to the root in a set S....
-
Marea's Cakes sells its cakes for $30 each. Ingredients cost Marea on average $10 per cake and she pays her baker $10 per cake. For the upcoming year, Marea's fixed costs will be $50,000 and she...
-
The statement of cash flow consists of three main activities, as follows: Operating Investing Financing Each section provides the reader with details on where the cash came from and where the cash...
-
How would i calculate the desired ROI per unit based on this information: $65Per Unit Direct Materials $48.00Per Unit Direct Labour $16.00Per Unit Variable Manufacturing Overhead $12.00Per Unit...
Study smarter with the SolutionInn App