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2. Query plan - Wikipedia

   en.wikipedia.org/wiki/Query_plan

   A query optimizer will not always choose the most efficient query plan for a given query. In some databases the query plan can be reviewed, problems found, and then the query optimizer gives hints on how to improve it. In other databases, alternatives to express the same query (other queries that return the same results) can be tried.

3. Query optimization - Wikipedia

   en.wikipedia.org/wiki/Query_optimization

   The query optimizer attempts to determine the most efficient way to execute a given query by considering the possible query plans. [ 1 ] Generally, the query optimizer cannot be accessed directly by users: once queries are submitted to the database server, and parsed by the parser, they are then passed to the query optimizer where optimization ...

4. Database tuning - Wikipedia

   en.wikipedia.org/wiki/Database_tuning

   Database tuning describes a group of activities used to optimize and homogenize the performance of a database.It usually overlaps with query tuning, but refers to design of the database files, selection of the database management system (DBMS) application, and configuration of the database's environment (operating system, CPU, etc.).

5. Hint (SQL) - Wikipedia

   en.wikipedia.org/wiki/Hint_(SQL)

   In various SQL implementations, a hint is an addition to the SQL standard that instructs the database engine on how to execute the query. For example, a hint may tell the engine to use or not to use an index (even if the query optimizer would decide otherwise).

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   www.aol.com/no-apps-no-hacks-guide-164416943.html

   If an app promised to make me smarter, faster or more efficient, I downloaded it. Time trackers, digital planners, habit trackers — you name it. I spent hours setting them up, convinced this one ...

7. Download, install, or uninstall AOL Desktop Gold

   help.aol.com/articles/aol-desktop-downloading...

   1. Search your inbox for the subject line 'Get Started with AOL Desktop Gold'. 2. Open the email. 3. Click Download AOL Desktop Gold or Update Now. 4. Navigate to your Downloads folder and click Save. 5. Follow the installation steps listed below.

8. System Mechanic Software | 30-Day Free* Trial | AOL Products

   www.aol.com/products/utilities/system-mechanic

   Download System Mechanic to help repair and speed up your slow PC. Try it free* for 30 days now. ... Regular optimization can help improve your computer health and prevent wear and tear on your ...

9. Query rewriting - Wikipedia

   en.wikipedia.org/wiki/Query_Rewriting

   Query rewriting is a typically automatic transformation that takes a set of database tables, views, and/or queries, usually indices, often gathered data and query statistics, and other metadata, and yields a set of different queries, which produce the same results but execute with better performance (for example, faster, or with lower memory use). [1]