By Ramon Mata-Toledo, Pauline Cushman
Average SQL promises that it doesn't matter what the database implementation, the gains of the language could be acceptable throughout all structures. Over 2 hundred thoroughly solved difficulties plus two hundred supplementary difficulties strengthen scholars’ figuring out and talents. positive aspects the syntax utilized by crucial database builders, Oracle and Microsoft, to familiarize scholars with this universal language. comprises labs and perform assessments like these utilized in database certification tests
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Additional resources for Schaum's outline of fundamentals of SQL programming
Attributes of the S inventory table. Column Name Description/Data Type Product id Unique identification number of the specialty product. Maximum is 7 characters. Warehouse id ID of the warehouse where the product is stored. Maximum is 7 characters. Amount in stock Amount of items in stock. Maximum is 9 digits. Reorder point Minimum number of items in stock before reordering. Maximum is 9 digits. Max in stock Maximum number in stock. Maximum is 9 digits. Out of stock explanation Reason why product is not in stock.
Had we had another column such as middle name and we wanted to sort by this column too, the ORDER BY clause would have looked like this: ORDER by last name, first name, middle name; The effect on the resulting table would have been to order by last name first, and for identical last names by first name, and for identical first names by middle name. 11. Write a script to create the Product table for the retail store Waves-R-Us with the attribute list shown below. Use named constraints if it is appropriate to do so, and confirm that the table was created correctly.
TABLE NAME Name of the table where the constraints are defined. SEARCH CONDITION Text of the search condition of a CHECK constraint. R OWNER User who created the parent table (owner) referenced in a FK. R CONSTRAINT NAME Name of the PK or UNIQUE attribute referenced in the parent table. DELETE RULE Action to take with FKs that reference a deleted PRIMARY or UNIQUE key; supported actions are CASCADE and NO ACTION. LAST CHANGE Date in which the constraint was last modified. 14. For a given table, how do I find out the names of columns on which the constraints are defined?