Oracle9i includes numerous data structures to improve the speed of Oracle SQL queries. Taking advantage of the low cost of disk storage, Oracle9i includes many new indexing algorithms that ...
As an Oracle performance-tuning expert, I frequently visit Oracle shops to improve system performance. Although Oracle offers many performance-tuning techniques, you can’t tune away a poor database ...
Developers can use the ORDER SIBLINGS BY feature of Oracle 10g and later to sort the records in a hierarchy created by the START WITH and CONNECT BY clauses in a SELECT statement. Oracle’s START WITH ...
Hi<BR><BR>I am try to compare a VARCHAR field that stores a date as:<BR><pre class="ip-ubbcode-code-pre"> to_char(DateTimeField, 'MM-DD-YYYY') <> to_char(to_date ...
Oracle SQL Developer is a great tool for managing Oracle Databases. It has a user-friendly interface that makes it easier to handle database tasks. The software offers features to simplify workflows ...
For a complete description of the PROC SQL statements, see SQL Procedure Pass-Through Facility Statements. CONNECT statement, see The following section describes the ORACLE-specific arguments that you ...
I have a column of data with values resembling this: HL7_Result_for_Message_ID_123Q324343.hl7 I need to grab that ID number (in bold), the challenge being that it can be any and all lengths. I have ...
SQL is a convenient way to manage and query your data, but badly written queries can tie up your database. Here are seven common SQL traps and how to avoid them. Database developers have it tough.