CLOB stands for Character Large Object, CLOB stores large amounts of character data ,up to 4GB in size. CLOB data may be very large, some database management systems do not store the text directly in the table. Instead, the CLOB field serves as an address, which references the location of the data. New Stuff:- How… Read More »
lobsize returns the size (in bytes) used for the storage of BLOB or CLOB variable. Syntax: lobsize(BLOB_CLOB) Example: # How much space spent for a clob? Local Clbfile MY_CLOB(0) MY_SIZE=lobsize(MY_CLOB) : # Returns 1016 (stores 508 characters) My_CLOB=string$(50,space$(10))+space$(9) : # Assign a 509 character string MY_SIZE=lobsize(MY_CLOB) : # Returns 66550 (MY_CLOB has been automatically enlarged)… Read More »
This function extracts the Nth character of a CHAR or CLOB variable. This function runs much faster than the usual functions such as mid$or seg$ when managing large CLOB data. Syntax: EXTRACTED_CHARACTER=Xgetchar(CLOB_SOURCE,POSITION) Parameters: CLOB_SOURCE has been declared by using a Clbfile or a Char POSITION has been declared by using an Integer EXTRACTED_CHARACTER has been… Read More »