The most commonly used SQL command is SELECT statement. It is used to query the database and retrieve selected data that follow the conditions we want. In simple words, we can say that the select ...

Oracle9i offers some great tools to make it easy to view the execution plan and trace information for a SQL statement. Prior to Oracle8i, you had to create a plan table and execute special syntax to ...

Hi I need some help with a select statement in MS SQL. I have a table that need to check if there duplicate items there. The problem is that each items is based off of 4 fields in the table. Here is ...

To update the data, you can specify view descriptors in the PROC SQL DELETE, INSERT, and UPDATE statements. You must have access to the data through appropriate ADABAS and/or NATURAL security options ...

The Oracle SQL*Plus product has introduced some new features that have long been missing from this utility program, and some to support the new features. Here's a rundown of the new features in Oracle ...

Assuring optimal performance of database applications starts with coding properly formulated SQL. Poorly written SQL and application code is the cause of most performance problems. As much as 75% of ...