The effectiveness of SQL queries depends on the database model, the available indexes and the type of information sought. Data analysis is the starting point for any application design using a relational database management system. Modeling, based on the entity-association model, is a simple and effective tool that is widely used by developers. See how to optimize your SQL queries for more efficient applications.
Duration
2 days
Schedule
9h to 16h
Regular fee
$955
Preferential fee
A preferential rate is offered to public institutions, to members of certain professional organizations as well as to companies that do a certain amount of business with Technologia. To know more, please read the "Registration and rates" section on our FAQ page. Please note that preferential rates are not available for online training courses. Discounts cannot be combined with other offers.
$860
Objectives of the training
To provide the knowledge and skills required to optimize SQL requests in order to significantly improve application performance.Targeted audience
Programmers.Prerequisite
Knowledge of SQL.Trainers
Course architecture
- Review of relational database design and normalization
- Problems related to collation
- The importance of table and column sizing
- Operations on tables: DELETE, INSERT, UPDATE
- The SELECT query and joins
- Sargable vs nonsargable queries
- Optimizing predicates: LIKE, BETWEEN, IN, NOT IN, EXISTS and INTERSECT
- Operations on groups (GROUP BY and correlated subqueries)
- Aggregation functions
- Auxiliary tables
- Handling views and temporary tables
- Optimizing subqueries and group operations
- The judicious use of indexes (for sorting and querying)
- Code optimization
- Cursors: when to use them and how to avoid them
- Triggers
- Presentation of some advanced techniques
Private or personalized training
If you have more than 8 people to sign up for a particular course, it can be delivered as a private session right at your offices. Contact us for more details.
Request a quoteDuration
2 days
Schedule
9h to 16h
Regular fee
$955
Preferential fee
A preferential rate is offered to public institutions, to members of certain professional organizations as well as to companies that do a certain amount of business with Technologia. To know more, please read the "Registration and rates" section on our FAQ page. Please note that preferential rates are not available for online training courses. Discounts cannot be combined with other offers.
$860
Private or personalized training
If you have more than 8 people to sign up for a particular course, it can be delivered as a private session right at your offices. Contact us for more details.
Request a quote