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Data collection takes a lot of time. Therefore, it is not worth the time and trouble. What do you think? What are some faster ways to accomplish data collection?
Pick one of the different types of SQL statements (data definition language, data manipulation language, or data control language). Describe how that type of statement is use.
Construct a query that will show the number of days that exist between the first invoice and last invoice, for each month, for each employee, using the DATEDIFF function. Be sure to provide the SQL script that will carry out this function.
Describe the database and describe the four characteristics of the database? Explain the Relational Database and generate a relational database for five employees.
Compute the numbers of married men, single men, married women and single women. Print these numbers on a student summary report.
hi there i need to start the assignment for data warehouse where i need to define assignmentyou are required to design
Each technician is an expert on one or more plane model(s), and his or her exper-tise may overlap with that of other technicians. This information about technicians must also be recorded.
Explain why log records could be written between the begin checkpoint and end checkpoint records.
How would your answers to the two questions change, if at all, if your system did not support indexes with multiple-attribute search keys?
Explain what problems can occur in a distributed database that is partitioned but not replicated.
Create a database of all seats and flights and keep track of sold/unsold of all 4 categories of seats - Show cost of chosen seat/flight combo options
Draw an Entity Relationship diagram for the system and Identify the table design for the database displaying all the fields/attributes. Ensure that all tables are in 3NF. You also need to identify the primary keys and foreign keys, where applicable..
The database Dish.xlsx contains a transaction history describing more than 4,000 purchases of detergent
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