WISE OWL EXERCISES
- Simple Queries (4)
- Setting criteria using WHERE (5)
- Calculations (7)
- Calculations using dates (4)
- Basic joins (8)
- More exotic joins (2)
- Aggregation and grouping (8)
- Views (5)
- Subqueries (5)
- Stored procedures (5)
- Variables (8)
- Parameters and return values (11)
- Testing conditions (1)
- Looping (3)
- Scalar functions (6)
- Transactions (5)
- Creating tables (5)
- Temporary tables and table variables (9)
- Table-valued functions (6)
- Derived tables and CTEs (13)
- Dynamic SQL (4)
- Pivots (2)
- Triggers (2)
- Archived (70)
SQL | Dynamic SQL exercise | Dynamic SQL
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If you haven't already done so, run the stored procedure in the above folder to generate a database of training courses and attendees.
Create a stored procedure to take in various different parameters about a query:
Your procedure should allow you to vary the columns, table, number of rows selected and sort order
Your stored procedure should build up a string of text containing a SQL command, then execute it:
The command to execute an SQL command contained in a string variable
You should then be able to run your stored procedure (when you've finished it!) to show data from different tables in different ways. For example:
Two completely different SELECT statements, using the same stored procedure
If it helps, here's the sort of string of text you should be aim to be building up: SELECT TOP 5 FirstName,LastName FROM tblPerson ORDER BY LastName.
Optionally, save the code to generate your stored procedure as Variable inputs.sql, then close it down.