Department of Radiology. Interventional. Interventional Radiology is a specialty whereby minimally invasive procedures are performed with the use of image guidance (CT scans, ultrasounds, and x-rays).
T RUNCATION & W ILDCARD O PERATORS revised 1/08gs Truncation Use the truncation symbols to create searches where you want to retrieve all variants of a word stem. The most commonly used truncation symbol is the asterisk (*).For example, a search for educat* will retrieve: educate, educating, education, educational, educator, educators, etc. Wildcards A wildcard symbol is used within a word to provide for all possible spellings or variations inside a word or word stem. RUNCATION & W ILDCARD O PERATORS revised 1/08gs Truncation Use the truncation symbols to create searches where you want to retrieve all variants of a word stem. The most commonly used truncation symbol is the asterisk (*).
Date truncation. Use the TRUNC built-in function to truncate a date to the specified unit of measure. The most common use of TRUNC is TRUNC (date)âwithout any format mask specified. In this case, TRUNC simply sets the time to 00:00:00. You can also use TRUNC to easily obtain the first day in a specified period.hink twice, for example, before reading a TIMESTAMP value from a table into a DATE variable, because you might lose information (in this case, the fractional seconds and perhaps the time zone). Getting the current date and time. PL/SQL developers often need to retrieve and work with the current date and time.