source: [word=the | tag=NN | □=□] □
destination: [word=the | tag=NN | tag=□] □
spec: The optional constraint clauses specify constraints or tests which new or updated entries must satisfy for an insert or update operation to succeed . She collaborates successfully with Diversity and Human Resources departments in recruitment and retention efforts . `` I have no plans to move away from Tonga after I have finished my study . Site design includes water , gas , storm and sanitary line sizing and routing , grading , drainage , sidewalks and parking areas . For deceased veterans , requests will be accepted from next-of-kin ( unremarried widow or widower , son or daughter , father or mother , brother or sister of the deceased veteran ) . Sometimes , one of my relations or acquaintances is so obliging as to ask me to dinner . column_constraint_clause The optional column constraint clauses specify a list of integrity constraints or tests which new or updated entries must satisfy for an insert or update operation to succeed . There are currently 28 schools of Veterinary Medicine in the US as well as several schools in Canada , Scotland and New Zealand . Its main activities are exploration and production of crude oil and natural gas ; refining , marketing , supply and transportation ; and manufacturing and marketing of petrochemicals . table_constraint_clause The optional table CONSTRAINT clause specifies a list of integrity constraints which new or updated entries must satisfy for an insert or update operation to succeed . Realistically , the parliament 's early years will see only small , incremental changes . It can also enhance employment opportunities upon completion of their studies .