What is the purpose of decision tables? How do you create them?

Q: Look at the following SQL statement: Select Name From Employee a. What is the name of the table from…

A: The syntax of a simple SQL query to retrieve a column from a table is as follows.   SELECT…

Q: What exactly is multiple fact taBles, and how does it operate in practise?

A: Star schema - Multiple dimension tables are connected to a single fact table (which is present at…

Q: How would you use SQL to change the layout of a table? What kinds of changes are generally possible?…

A: Introduction: Tables, which are database objects, are used as containers for the data in the…

Q: SQL query questions please no special functions. Table: create table sales cust varchar(20), prod…

A: SQL query questions please no special functions. Table:    create table sales   (     …

Q: How would you list unique values in a SQL Query?

A: Sometimes, We want to get only distinct values in a specified column of a table. To do this, we use…

Q: How is the order in which attributes appear in a result table changed?

A: In Database, each and every table have some attribute and they are listed in the table with some…

Q: n by "query optim

A: Query Optimization: The process of selecting an efficient execution plan for evaluating a query is…

Q: What SQL key word would you use to remove duplications within the result set.

A: We need to answer:

Q: True or False Each column in a table must have a name.

A: Each column in a table must have a unique name. The entries within each column should match with…

Q: What type of labeling can you use in a table orlist to improve its usability?

A: Labeling : Labeling is used to make the list or table more understandable , modernize and easy to…

Q: Which model should we use when creating our tables in Microsoft Access?

A: Click the "Create" tab on the Ribbon to begin creating tables in Access design mode, Table Design…

Q: When naming a table what prefix would you use?

A: Database by using the prefix A database prefix basically is been used to mention connectivity for a…

Q: What exactly is the connection between Query and Report?

A: Given: Relationship between the query and the reportA query is a way to get a list of accounts or…

Q: access databases Normalization Exercise Represent this table as a collection of tables in 3NF:…

A: The key for the given relation is (StudentNumber, CourseNumber)  The partial functional dependency…

Q: Consider following table student( sno, sname, course, city, grade) course (ccode, cname, credit,…

A: CREATE TABLE command: Creating table comes under Data Definition Language(DDL). It is used to…

Q: Display the information about the managers and clerks from the column ‘Job’ in the table emp, order…

A: Answer: SELECT * FROM emp WHERE Job=="managers" OR Job=="clerks" ORDER BY deptno;

Q: The data set can contain many data tables Select one: True OFalse

A: A data set is an accumulation of linked, separate, tabularly presented related data items that can…

Q: Elapsed time, between initiating a query and receiving a response is called  Turnaround time…

A: A query is request which user want to execute on computer system.

Q: Database Management Systmem create a Sql table and do the following operations insert upsdate…

A: create table tblShippers(  2  ShipperID number(10) primary key,  3  CompanyName varchar2(50)  4  );…

Q: When is an index appropriate for a table?

A: Index: The index is used to access the data from the database speedily. Syntax of creating an index:…

Q: The first requirement: Using the SQL language, transform the following entity model into tables in…

A:

Q: What are some of the different ways to join tables in a SELECT?

A: We have inner join, left join, right join, full join, self join, and using select command we will…

Q: Is there a purpose for many fact taBles, and how do they function?

A: The central table in the star schema/snowflake schema of a data warehouse is called the fact table.…

Q: There are some properties that differentiate relation tables from non-relation tables.

A: some properties that differentiate relation tables from non-relation tables

Q: If an SQL statement includes a GROUP BY clause, the attributes that can be requested in the SELECT…

A: GROUP-BY In SQL, the GROUP BY clause is used to group the result of a SELECT statement done on a…

Q: What resulting table will the above SQL statement(one query) yield? Ship Table State Item ID Sum…

A: The Answer is

Q: Create Student table Develop a SQL Query Refer the below schema, and create the student table. Refer…

A: In Student table, we have a primary key student_id and foreign key department_id which is…

Q: Describe how to include SQL CLR functionality into the Visual Studio environment.

A: Introduction: SQL-CLR is a tiny version of the .NET. CLR that is integrated into the SQL Server 2005…

Q: For the same table customer, each row is called * fields attributes foreign key tuples

A: This MCQ is based on RDBMS.

Q: How does SQL Server Integration Services operate?

A: SQL Server Integration: A platform for creating enterprise-level data integration and data…

Q: Hi! cany you help me create a table using SQL based from this picture

A: To create a table you need to analyse the column name and data type from table structure.  Syntax:-…

Q: In SQL write a query to remove a table and it's schema from the database. Table: Player(PID, Name,…

A: For this we have to drop the table using the drop syntax. Here is the query:

Q: define view named itemorder. using sql write the view definition of itemorde

A: A view is an imaginary table which stores the result of a statement

Q: How is the order of characteristics in a result table altered?

A: Intro In Database, each and every table have some attribute and they are listed in the table with…

Q: What is a decision table? Mention the components present in it.

A: The Given Data is What is a decision table? Mention the components present in it.

Q: ascending order using status. d. Write an SQL query to find the number of clients from each order_no…

A: Answer: select count(*) from client_details group by order_no having cost not null;

Q: Describe the process of creating a table in SQL and the different data types you can use for fields.

A: Given: Describe how to create a table in SQL and the various data types that may be used for fields.

Q: What are the differences between the JOIN … USING and JOIN … ON approaches for joining tables?

A: The JOIN...USING approach joins tables based on the specified common columns. Those common columns…

Q: What formula is used to calculate the numberof rules a decision table must cover?

A: Given: What formula is used to calculate the numberof rules a decision table must cover?

Q: the most important concept in SQL Database Designs

A: The most important concept in SQL Database Designs

Q: Create a table for students using SQL query for the following fields: a. Name b. Department c.…

A: CREATE TABLE table_name (    column1 datatype,    column2 datatype,    column3 datatype,   ....);

Q: write SQL statement to search for employees whose manager is specified by the txtEname box

A: Note: Taking "JONES" as a sample name that will be specified in the txtEname box.   The above-given…

Q: How do we decide which model to create while building our tables in Microsoft Access?

A: Introduction: Microsoft Access is a database administration system.

Q: What is the most common visit reason of patients in their 20s (Age 20–29)? • Report the visit reason…

A: The ask is to write a SQL query to display most common reason alongwith its number of occurrences.

Q: Explain how attributes are transformed into columns. What column properties do you take into account…

A: Lets see the solution.

Q: What's the big deal about being a learner SQL developer?

A: Introduction: SQL (Structured Query Language) is the principal language for handling data and data…

Q: Create a simple bank payment system table using Microsoft SQL Server Management Studio 18 and you…

A: a simple bank payment system database using Microsoft sql

Q: em.usetab

A: The answer is below: