Database: hg19    Primary Table: chainSelfLink    Row Count: 6,882,618
Format description: alignment block in chain

field	example	SQL type	description
bin	585	smallint(5) unsigned	Indexing field to speed chromosome range queries.
tName	chr1	varchar(255)	Target sequence name
tStart	10000	int(10) unsigned	Alignment start position in target
tEnd	10032	int(10) unsigned	Alignment end position in target
qStart	133756271	int(10) unsigned	start in query
chainId	4031	int(10) unsigned	chain id in chain table

      hg19.chainSelf.id (via chainSelfLink.chainId)

bin	tName	tStart	tEnd	qStart	chainId
585	chr1	10000	10032	133756271	4031
585	chr1	10033	10054	133756303	4031
585	chr1	10054	10108	133756325	4031
585	chr1	10108	10149	133756380	4031
585	chr1	10150	10179	133756421	4031
585	chr1	10179	10200	133756451	4031
585	chr1	10200	10249	133756473	4031
585	chr1	10250	10255	133756522	4031
585	chr1	10257	10286	133756527	4031
585	chr1	10287	10321	133756556	4031

Note: all start coordinates in our database are 0-based, not 1-based. See explanation here.