| slot_number | NUMBER(38,0) | Beacon Chain slot the block. |
| slot_timestamp | TIMESTAMP_NTZ(9) | Beacon Chain slot timestamp of the block. |
| eth1_block_hash | VARCHAR(16777216) | The block hash of the Ethereum 1.0 block. |
| eth1_block_number | NUMBER(38,0) | The block number of the Ethereum 1.0 block. |
| eth1_block_timestamp | TIMESTAMP_NTZ(9) | The Unix timestamp of the Ethereum 1.0 block. |
| array_index | NUMBER(38,0) | Index of the attestation array. |
| proposer_index | NUMBER(38,0) | The index of validator in validator registry. |
| attestation_index | NUMBER(38,0) | A number that identifies which committee the validator belongs to in a given slot. |
| aggregation_bits | VARCHAR(16777216) | The attester aggregation bits. |
| beacon_block_root | VARCHAR(16777216) | Root hash of the block the validator sees at the head of the chain (the result of applying the fork-choice algorithm). |
| attestation_slot | NUMBER(38,0) | The slot number that the attestation refers to. |
| source_epoch | NUMBER(38,0) | Source Epoch. Part of the finality vote indicating what the validators see as the most recent justified block. |
| source_root | VARCHAR(16777216) | Source Root. Part of the finality vote indicating what the validators see as the most recent justified block. |
| target_epoch | NUMBER(38,0) | Target epoch. Part of the finality vote indicating what the validators see as the first block in the current epoch. |
| target_root | VARCHAR(16777216) | Target root. Part of the finality vote indicating what the validators see as the first block in the current epoch. |
| attestation_signature | VARCHAR(16777216) | The BLS signature that aggregates the signatures of individual validators. |
| unique_id | VARCHAR(16777216) | Unique ID for the attestation, constructed with slot_number, array_index, attestation_index, aggregation_bits, beacon_block_root & attestation_signature. |
| _created_at | TIMESTAMP_NTZ(9) | Timestamp of when the entry was created in the database. |
| _updated_at | TIMESTAMP_NTZ(9) | Timestamp of the attestation data update. |