⟩ which aminoacid have a least ramachandran plot value?
proline
proline
Which of the following can be kept in memory when the DB2 configuration parameter KEEPFENCED is enabled? A. SQLDAS after their cursor is closed. B. Referential integrity maps after a join. C. Stored procedure processes after they are run. D. Tables after they have been read into the buffer pool.
The DBA can set the registry variable DB2_HASH_JOIN on or off because A. hash joins may require more resources to run. B. hash joins are not used unless outer joins are requested. C. If hash joins are enabled, no other join method can be used. D. Hash joins are only needed when the tables are portioned using hash keys.
Explain Which of the following commands will format a new disk drive partition in Linux on iSeries? A mkts -e2 <path to device> B mkfs.ext2 <path to device> C mkfs -ext2 &It;path to device > D mkfs format -e2 <path to device>
Explain When creating a regular DMS table space, what is the minimum number of extents that must be specified? A. 1 B. 3 C. 4 D. 6 E. 8
Which of the following extenders allows data to be presented in a three?dimensional format? A.DB2 AVI Extender B.DB2 XML Extender C.DB2 Text Extender D.DB2 Spatial Extender
Suppose a customer is attempting to determine what failed during the last boot sequence of the Linux partition. Which of the following can be used to determine the error condition? A /var/log/messages B /proc/startup C /usr/sbin/log D /etc/boot
Explain Which of the following is required for the DB2 optimizer to consider a hash join strategy? A. Equijion predicates B. Optimization level 1 or above C. Registry variable DB_ANTIJOIN=YES D. SORTHEAP large enough to contain the tables being joined
Explain What is database administration NOT concerned with? A. indexing B. creating tables C. accessing data D. application building
Explain If there is a lock on an adjacent key, an insert will fail if the isolation level is set to what? A. committed read B. repeatable read C. share read D. indexed read
Suppose a System z customer has a new CIO. The CIO is concerned about continuing operations and recovery following a catastrophe. Which of the following addresses this issue? A. GDPS B. TAM C. DR D. WASS