NonStop SQL/MP Reference Manual

Table Of Contents
NonStop SQL/MP Reference Manual142115
D-65
Examples—DROP SYSTEM CATALOG
Examples—DROP SYSTEM CATALOG
The following command drops a system catalog that resides on the default location
$SYSTEM.SQL:
16> SQLCI DROP SYSTEM CATALOG $SYSTEM.SQL;
The next command drops a system catalog that resides on the volume $VOL1 and
subvolume SVOL1:
18> SQLCI DROP SYSTEM CATALOG $VOL1.SVOL1;
DSL (Data Status Language) Statements
A DSL statement retrieves status information about the version of the database. The
following table summarizes the DSL statements.
Summary of DSL Statements
For more information, refer to the specific statement.
DSLACK File Attribute
DSLACK is a Guardian file attribute that specifies the minimum percentage of space to
leave for future insertions when loading data blocks. DSLACK applies only to key-
sequenced tables and to indexes.
percent
is an integer from 0 to 99 that specifies the percent of empty space to leave in each
data block when loading the file.
Considerations—DSLACK
DSLACK specifications are usually between 15 and 25 percent.
GET CATALOG OF SYSTEM
Statement
Retrieves the name of a local or remote system catalog
GET VERSION Statement Retrieves the version of a specific SQL object, catalog,
or system
GET VERSION OF
PROGRAM Statement
Retrieves the PCV, PFV, or HOSV of an SQL program
DSLACK percent
The default is the value of the SLACK file attribute.
The default for SLACK is 15 percent.