Your end-users may keep on complaining about some functions of their database application are running slow, but you may found that those SQL...
Here the following is an example SQL statement with a DECODE expression syntax. select * from employee where decode(emp_dept, 'AAA',...
The LIKE is a logical operator that determines if a character string matches a specified pattern. A pattern may include regular characters and...
Here the following is a simple SQL statement with a CASE expression syntax. SELECT * FROM employee WHERE CASE WHEN emp_salary< 1000 THEN 'low'...
Here the following is a very simple SQL statement with two Max() functions in select list. select max(emp_salary),max(emp_id) from employee;...
There are at least two commonly used methods to improve an SQL statement’s performance. First, users can influence Oracle SQL optimizer to pick up...
I came across with a SQL statement from a user as a testing case to our product, the SQL is joining 4 tables with data retrieved from system table...
SQL Patches is part of the features provided by SQL Repair Advisor which is used to fix a SQL statement’s critical failures such as returning...
The following SQL is simple, but the explain plan is a little bit complex. Oracle SQL optimizer uses an adaptive plan to execute the SQL...
A user who has a SQL statement takes a long time to execute, actually the SQL is not very complicated, but it has a very complex execution plan....
Introduction Application package software is a collection of software programs that is developed for the purpose of being licensed to third-party...
Tosska SQL Tuning Expert Pro for Oracle It is not another SQL Tuning tool There have been already a lot of SQL tuning products in the market...
Common SQL tuning methods SQL tuning is the process to improve a SQL statement’s performance up to the user’s expectation. There are at least...
What is machine tuning for SQL statements? Tosska SQL Tuning Expert is a SQL tuning tool that optimizes your SQL statements without the need of...
I am changing this timesheet demo application to oracle from SQL. Refer qualitypointtech.net/timesheetdemo/index.php Is there any way to convert...
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