colDescriptions: Get column descriptions of SRAmetadb.sqlite
In seandavi/SRAdb: A compilation of metadata from NCBI SRA and tools

Description Usage Arguments Value Author(s) Examples

Get column descriptions of SRAmetadb.sqlite, including table, field, field data type, description and default values

1	colDescriptions( sra_con )

sra_con

Connection of the SRAmetadb SQLite database

A seven-column data.frame including table_name, field_name, type, description, value_list.

Jack Zhu<zhujack@mail.nih.gov> and Sean Davis <sdavis2@mail.nih.gov>

if(file.exists('SRAmetadb.sqlite')) {
  
  library(SRAdb)
  sra_dbname <- 'SRAmetadb.sqlite'	
  sra_con <- dbConnect(dbDriver("SQLite"), sra_dbname)
  
  ## Get column descriptions
  a <- colDescriptions(sra_con=sra_con)[1:5,]

} else {
  print("use getSRAdbFile() to get a copy of the SRAmetadb.sqlite file and then rerun the example")
}