This SQL may need to be investigated in regard what is currently used execution plan, and whether there are any other execution plans for this SQL in the cursor cache or in AWR, and possibly elapsed time of the executions of the SQL using those plans. This could come handy if execution...
When working with Oracle databases, there are times when you need to optimize and homogenize the database to ensure good performance. This is also known as database tuning. In most cases when tuning a database, you’ll focus on SQL query tuning. In Oracle, SQL query tuning is an importan...
When you want to scale AI in your business, Oracle Cloud Infrastructure (OCI) is a smart choice. It can help you get the benefits of AI in the way that makes the most sense for your company and that scales with your needs. You’ll find a range of SaaS applications with built-in ML...
Step 1: Use the desktop icon to launch Oracle SQL Developer. Step 2: Select the Connections option under View. Step 3: Right-click Connections in the Connections tab and choose New Connection. You’ll see a window asking you to choose a new database connection. Step 4: Fill in the corr...
It is very simple way to kill session using command line of Oracle RAC instance: Using SQL*Plus (kill session with alter system command): We use v$session for indetifying target session to kill in non-rac database.Here in Oracle RAC instance we should need to check and identify session ...
3au4kna5csu97 1 2951816416 4.71 207,878 SELECT * FROM XXX 2017-11-16/07:20:04 3au4kna5csu97 2 2951816416 431.48 205,721 SELECT * FROM XXX 2017-11-17/07:19:42 how to get the execution plan for the same sql_id with different plan_hash_value?
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Although some Oracle tools and applications simplify or mask the use of SQL, all database operations are performed using SQL, to take advantage of the security and data integrity features built into Oracle.Overview of SQL Statement Execution
This first step in building an application is to create the database objects. Topics in this section include: Build the Database Objects View the Created Database Objects Build the Database Objects There are several ways to create objects in Oracle Application Express. You can: Create an Ob...
You’ll briefly go more into time complexity and the big O notation to get an idea about the time complexity of an execution plan before you execute your query; Lastly, You'll briefly get some pointers on how you can tune your query further. Are you interested in an SQL course? Take ...