What is Quest Spotlight on Oracle?
Spotlight on Oracle is a database diagnostics tool that allows you to rapidly discover performance bottlenecks within your Oracle® database. Spotlight on Oracle does this by automatically setting a baseline of normal activity for each instance, and then establishing thresholds.
What is toad spotlight?
Spotlight® on Oracle is a powerful diagnostic and resolution tool for Oracle databases. Graphical flows illustrate the rate at which data is moving between database components. Observe actual database activity in real time.
What is Quest SQL Optimizer for Oracle?
Quest SQL Optimizer for Oracle proactively identifies potential performance issues and automates SQL optimization by scanning and analyzing running SQL statements, PL/SQL, or other source code. It explores every possible way of improving SQL performance. If you already have the best-performing SQL, it proves it.
What is query optimizer in SQL Server?
The SQL Server Query Optimizer is a cost-based optimizer. It analyzes a number of candidate execution plans for a given query, estimates the cost of each of these plans and selects the plan with the lowest cost of the choices considered.
What optimize table does in MySQL?
OPTIMIZE TABLE reorganizes the physical storage of table data and associated index data, to reduce storage space and improve I/O efficiency when accessing the table. The exact changes made to each table depend on the storage engine used by that table.
How does MySQL optimizer work?
MySQL provides optimizer control through system variables that affect how query plans are evaluated, switchable optimizations, optimizer and index hints, and the optimizer cost model. The server maintains histogram statistics about column values in the column_statistics data dictionary table (see Section 8.9.
How can I improve my join speed in Oracle?
Since a nested loops join involves accessing the inner table many times, an index on the inner table can greatly improve the performance of a nested loops join. Usually, the optimizer does not consider the order in which tables appear in the FROM clause when choosing an execution plan.
When should you run optimize tables?
Use OPTIMIZE TABLE in these cases, depending on the type of table:
- After doing substantial insert, update, or delete operations on an InnoDB table that has its own .
- After doing substantial insert, update, or delete operations on columns that are part of a FULLTEXT index in an InnoDB table.
What is table optimization in MySQL?
Can you run MSI installer with Spotlight on Oracle?
The Spotlight on Oracle .MSI Installer can be run silently, and produce an installation that can be captured and re-used via automatic deployment techniques. MSI installers cannot be used in conjunction with the Spotlight on Oracle Installer. see related… What is new in Spotlight on Oracle 10.3.1?
Is the diagnostic server on Oracle spotlight active?
Only see the Diagnostic Server on Spotlight on Oracle mobile, but no active connections. The Oracle connection is live and active on Spotlight, but still not seen on the mobile app or Spotlight Essentials site. see related…
Do you have an order form with Quest?
If you purchased the licenses for this Software by executing an order form with Quest or if you have an agreement with Quest that states that all purchases are governed by such agreement, then the terms and conditions of that agreement supersedes and takes precedence over the Software Transaction Agreement. I agree to the above.