Common data type used to define columns:
The data type is used to store the type of data which should be specified for the column in a table.
Some of the commonly used data types are:
- CHAR(n)
- VARCHAR(n)
- DATE
- DECIMAL(p,q)
- INT
- SMALLINT
Common data type used to define columns:
The data type is used to store the type of data which should be specified for the column in a table.
Some of the commonly used data types are:
- CHAR(n)
- VARCHAR(n)
- DATE
- DECIMAL(p,q)
- INT
- SMALLINT
Common data type used to define columns:
The data type is used to store the type of data which should be specified for the column in a table.
Some of the commonly used data types are:
- CHAR(n)
- VARCHAR(n)
- DATE
- DECIMAL(p,q)
- INT
- SMALLINT
Common data type used to define columns:
The data type is used to store the type of data which should be specified for the column in a table.
Some of the commonly used data types are:
- CHAR(n)
- VARCHAR(n)
- DATE
- DECIMAL(p,q)
- INT
- SMALLINT
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Chapter 3 Solutions
A Guide to SQL
- Write the SQL code to change the job code to 501 for the person whose employee number (EMP_NUM) is 107. After you have completed the task, examine the results and then reset the job code to its original value.arrow_forwardWrite the SQL code that will change the PROJ_NUM to 14 for employees who were hired before January 1, 1994, and whose job code is at least 501. (You may assume that the table will be restored to its condition preceding this question.)arrow_forwardHow the SQL queries work and what are their types?arrow_forward
- What are examples of aggregate functions in SQL?arrow_forwardUse SQL and TAL Distributors database to complete the following questions:TAL Distributors is running a promotion that is valid for up to 20 days after an order is placed. List the order number, customer number, customer name, and the promotion date for each order. The promotion date is 20 days after the order was placed.arrow_forwardIn SQL, what numeric data formats are available?arrow_forward
- I need help with the SQL query for the following question: 1. How many reviews for every product? Here is the information on the field names: The table name is: Reviews Review Form Fields Product/ModelName: Product/Category: Product/Price: Retailer/Name: Retailer/ZipCode: Retailer/City: Retailer/State: Product/On Sale: Manufacturer/Name: Manufacturer/Rebate: Review/UserId: Review/Rating: Review/Date: Review/Text: Example of Review Form Filled out ProductModelName: Galaxy S4 ProductCategory: Smart Phone ProductPrice: 499 RetailerName: Bestbuy RetailerZipCode: 44114 RetailerCity: Cleveland RetailerState: OH ProductOnSale: No ManufacturerName: Samsung ManufacturerRebate: No ReviewUserId: xmm473 ReviewRating: 3 ReviewDate: 6/10/2012 ReviewText: overheats after 2 hoursarrow_forwardType in all the various types of numeric information. In SQLarrow_forwardExplain the use of SQL's identity column саpability.arrow_forward
- A Guide to SQLComputer ScienceISBN:9781111527273Author:Philip J. PrattPublisher:Course Technology PtrDatabase Systems: Design, Implementation, & Manag...Computer ScienceISBN:9781285196145Author:Steven, Steven Morris, Carlos Coronel, Carlos, Coronel, Carlos; Morris, Carlos Coronel and Steven Morris, Carlos Coronel; Steven Morris, Steven Morris; Carlos CoronelPublisher:Cengage LearningDatabase Systems: Design, Implementation, & Manag...Computer ScienceISBN:9781305627482Author:Carlos Coronel, Steven MorrisPublisher:Cengage Learning