IN/EXISTS with composite keys
In Stock
$34.99
$29.99
Shipping and Returns Policy
- Deliver to United States » Shipping Policy «
- - Shipping Cost: $5.99
- - Handling time: 2-3 business days
- - Transit time: 7-10 business days
- Eligible for » Returns & Refund Policy « within 30 days from the date of delivery
Find similar items here:
what is the difference between in and exists in sql Informational
- Impact of compressed data Explain the concept of predicate pushdown and how it relates to the optimization of subqueries used with IN or EXISTS, especially in distributed query processing.
- Comparison table of SQL IN and EXISTS
- IN limitations with extensive data How does the EXISTS operator handle large subqueries in comparison to the IN operator?
- Simplifying IN with temporary data Discuss the trade-offs between using a temporary table with an index versus a large IN list.
- Scalability of IN with varying subquery size Similarly, how does the performance of EXISTS with a subquery that finds a match early compare to one that needs to scan many rows?
- Structuring queries for better optimization How does the number of joins in a query that also includes IN or EXISTS subqueries affect the overall performance and the optimizer's choices?
- Balancing complexity and performance How does the use of database triggers for auditing or maintaining related data affect the performance of INSERT, UPDATE, or DELETE statements that might interact with tables involved in IN or EXISTS subqueries?
- Factors influencing IN/EXISTS execution Are there any differences in error handling or behavior when a subquery used with IN or EXISTS returns no rows?
- Alternative strategies for known problems Consider a scenario where the subquery in an EXISTS clause is very simple and only checks for the existence of a single row. How does its performance compare to other approaches?
- Columnstore vs. rowstore for IN/EXISTS
-
Next Day Delivery by USPS
Find out more
Order by 9pm (excludes Public holidays)
$11.99
-
Express Delivery - 48 Hours
Find out more
Order by 9pm (excludes Public holidays)
$9.99
-
Standard Delivery $6.99 Find out more
Delivered within 3 - 7 days (excludes Public holidays).
-
Store Delivery $6.99 Find out more
Delivered to your chosen store within 3-7 days
Spend over $400 (excluding delivery charge) to get a $20 voucher to spend in-store -
International Delivery Find out more
International Delivery is available for this product. The cost and delivery time depend on the country.
You can now return your online order in a few easy steps. Select your preferred tracked returns service. We have print at home, paperless and collection options available.
You have 28 days to return your order from the date it’s delivered. Exclusions apply.
View our full Returns and Exchanges information.
Our extended Christmas returns policy runs from 28th October until 5th January 2025, all items purchased online during this time can be returned for a full refund.
No reviews yet. Only logged in customers who have purchased this product may leave a review.