NonStop SQL/MP Reference Manual

Table Of Contents
NonStop SQL/MP Reference Manual142115
F-8
File Attributes of SQL Objects
File Attributes of SQL Objects
File Organizations
SQL DDL statements create and modify tables and indexes and the physical Guardian
files that hold tables and indexes. To select parameters for your DDL statements, you
ALLOCATE Controls amount of disk space allocated. Default is to allocate space
as needed.
AUDIT Controls TMF auditing. Default is AUDIT.
AUDITCOMPRESS Controls whether unchanged columns are included in audit records.
Default is to include only changed columns.
BLOCKSIZE Sets size of data blocks. Default is 4096.
BUFFERED Turns buffering on or off. Default is on.
CLEARONPURGE Controls disk erasure when file is dropped. Default is no erasure.
DCOMPRESS Controls key compression in data blocks. Default is no compression.
DSLACK Sets percent of slack in data blocks. Default is value of the SLACK
attribute.
EXTENT Sets extent sizes. Default is 16 pages for the first extent, 64 for
others.
ICOMPRESS Controls key compression in index blocks. Default is no
compression.
ISLACK Sets percent of slack in index blocks. Default is value of the SLACK
attribute.
LOCKLENGTH Sets number of bytes in key to use for generic locks. Default is entire
key.
MAXEXTENTS Sets maximum extents. Default is 160.
NOPURGEUNTIL Sets date after which drop is allowed. Default allows immediate drop.
OWNER Specifies owner. Default is creator.
PROGID Determines the PAID of a process started from the file. Default is NO
PROGID.
RECLENGTH Sets bytes reserved for a relative-file row. Default is total column
lengths.
RESETBROKEN Resets BROKEN flag. No default.
SECURE Sets Guardian security string. Default is creator's default security
string.
SERIALWRITES Specifies serial or parallel writes. Default is serialwrites.
SLACK Sets percent of slack in blocks if not specified by DSLACK or
ISLACK. Default is 15 percent.
TABLECODE Sets tablecode. Default is 0.
VERIFIEDWRITES Controls verification of writes to disk. Default is no verification.