```sql singapore x 100
INSERT INTO lab.serverless_branch_clusters VALUES ('N/A', '10889262795211641334', 'singapore', 'singapore-c1-b0001', 'gateway01.ap-southeast-1.prod.aws.tidbcloud.com', '4000', 'N/A', 'N/A', 'U', NULL, NULL, NULL),('N/A', '10889262795211641334', 'singapore', 'singapore-c1-b0002', 'gateway01.ap-southeast-1.prod.aws.tidbcloud.com', '4000', 'N/A', 'N/A', 'U', NULL, NULL, NULL),('N/A', '10889262795211641334', 'singapore', 'singapore-c1-b0003', 'gateway01.ap-southeast-1.prod.aws.tidbcloud.com', '4000', 'N/A', 'N/A', 'U', NULL, NULL, NULL),('N/A', '10889262795211641334', 'singapore', 'singapore-c1-b0004', 'gateway01.ap-southeast-1.prod.aws.tidbcloud.com', '4000', 'N/A', 'N/A', 'U', NULL, NULL, NULL),('N/A', '10889262795211641334', 'singapore', 'singapore-c1-b0005', 'gateway01.ap-southeast-1.prod.aws.tidbcloud.com', '4000', 'N/A', 'N/A', 'U', NULL, NULL, NULL),('N/A', '10889262795211641334', 'singapore', 'singapore-c1-b0006', 'gateway01.ap-southeast-1.prod.aws.tidbcloud.com', '4000', 'N/A', 'N/A', 'U', NULL, NULL, NULL),('N/A', '10889262795211641334', 'singapore', 'singapore-c1-b0007', 'gateway01.ap-southeast-1.prod.aws.tidbcloud.com', '4000', 'N/A', 'N/A', 'U', NULL, NULL, NULL),('N/A', '10889262795211641334', 'singapore', 'singapore-c1-b0008', 'gateway01.ap-southeast-1.prod.aws.tidbcloud.com', '4000', 'N/A', 'N/A', 'U', NULL, NULL, NULL),('N/A', '10889262795211641334', 'singapore', 'singapore-c1-b0009', 'gateway01.ap-southeast-1.prod.aws.tidbcloud.com', '4000', 'N/A', 'N/A', 'U', NULL, NULL, NULL),('N/A', '10889262795211641334', 'singapore', 'singapore-c1-b0010', 'gateway01.ap-southeast-1.prod.aws.tidbcloud.com', '4000', 'N/A', 'N/A', 'U', NULL, NULL, NULL),('N/A', '10889262795211641334', 'singapore', 'singapore-c1-b0011', 'gateway01.ap-southeast-1.prod.aws.tidbcloud.com', '4000', 'N/A', 'N/A', 'U', NULL, NULL, NULL),('N/A', '10889262795211641334', 'singapore', 'singapore-c1-b0012', 'gateway01.ap-southeast-1.prod.aws.tidbcloud.com', '4000', 'N/A', 'N/A', 'U', NULL, NULL, NULL),('N/A', '10889262795211641334', 'singapore', 'singapore-c1-b0013', 'gateway01.ap-southeast-1.prod.aws.tidbcloud.com', '4000', 'N/A', 'N/A', 'U', NULL, NULL, NULL),('N/A', '10889262795211641334', 'singapore', 'singapore-c1-b0014', 'gateway01.ap-southeast-1.prod.aws.tidbcloud.com', '4000', 'N/A', 'N/A', 'U', NULL, NULL, NULL),('N/A', '10889262795211641334', 'singapore', 'singapore-c1-b0015', 'gateway01.ap-southeast-1.prod.aws.tidbcloud.com', '4000', 'N/A', 'N/A', 'U', NULL, NULL, NULL),('N/A', '10889262795211641334', 'singapore', 'singapore-c1-b0016', 'gateway01.ap-southeast-1.prod.aws.tidbcloud.com', '4000', 'N/A', 'N/A', 'U', NULL, NULL, NULL),('N/A', '10889262795211641334', 'singapore', 'singapore-c1-b0017', 'gateway01.ap-southeast-1.prod.aws.tidbcloud.com', '4000', 'N/A', 'N/A', 'U', NULL, NULL, NULL),('N/A', '10889262795211641334', 'singapore', 'singapore-c1-b0018', 'gateway01.ap-southeast-1.prod.aws.tidbcloud.com', '4000', 'N/A', 'N/A', 'U', NULL, NULL, NULL),('N/A', '10889262795211641334', 'singapore', 'singapore-c1-b0019', 'gateway01.ap-southeast-1.prod.aws.tidbcloud.com', '4000', 'N/A', 'N/A', 'U', NULL, NULL, NULL),('N/A', '10889262795211641334', 'singapore', 'singapore-c1-b0020', 'gateway01.ap-southeast-1.prod.aws.tidbcloud.com', '4000', 'N/A', 'N/A', 'U', NULL, NULL, NULL),('N/A', '10889262795211641334', 'singapore', 'singapore-c1-b0021', 'gateway01.ap-southeast-1.prod.aws.tidbcloud.com', '4000', 'N/A', 'N/A', 'U', NULL, NULL, NULL), ('N/A', '10889262795211641334', 'singapore', 'singapore-c1-b0022', 'gateway01.ap-southeast-1.prod.aws.tidbcloud.com', '4000', 'N/A', 'N/A', 'U', NULL, NULL, NULL), ('N/A', '10889262795211641334', 'singapore', 'singapore-c1-b0023', 'gateway01.ap-southeast-1.prod.aws.tidbcloud.com', '4000', 'N/A', 'N/A', 'U', NULL, NULL, NULL), ('N/A', '10889262795211641334', 'singapore', 'singapore-c1-b0024', 'gateway01.ap-southeast-1.prod.aws.tidbcloud.com', '4000', 'N/A', 'N/A', 'U', NULL, NULL, NULL), ('N/A', '10889262795211641334', 'singapore', 'singapore-c1-b0025', 'gateway01.ap-southeast-1.prod.aws.tidbcloud.com', '4000', 'N/A', 'N/A', 'U', NULL, NULL, NULL), ('N/A', '10889262795211641334', 'singapore', 'singapore-c1-b0026', 'gateway01.ap-southeast-1.prod.aws.tidbcloud.com', '4000', 'N/A', 'N/A', 'U', NULL, NULL, NULL), ('N/A', '10889262795211641334', 'singapore', 'singapore-c1-b0027', 'gateway01.ap-southeast-1.prod.aws.tidbcloud.com', '4000', 'N/A', 'N/A', 'U', NULL, NULL, NULL), ('N/A', '10889262795211641334', 'singapore', 'singapore-c1-b0028', 'gateway01.ap-southeast-1.prod.aws.tidbcloud.com', '4000', 'N/A', 'N/A', 'U', NULL, NULL, NULL), ('N/A', '10889262795211641334', 'singapore', 'singapore-c1-b0029', 'gateway01.ap-southeast-1.prod.aws.tidbcloud.com', '4000', 'N/A', 'N/A', 'U', NULL, NULL, NULL), ('N/A', '10889262795211641334', 'singapore', 'singapore-c1-b0030', 'gateway01.ap-southeast-1.prod.aws.tidbcloud.com', '4000', 'N/A', 'N/A', 'U', NULL, NULL, NULL), ('N/A', '10889262795211641334', 'singapore', 'singapore-c1-b0031', 'gateway01.ap-southeast-1.prod.aws.tidbcloud.com', '4000', 'N/A', 'N/A', 'U', NULL, NULL, NULL), ('N/A', '10889262795211641334', 'singapore', 'singapore-c1-b0032', 'gateway01.ap-southeast-1.prod.aws.tidbcloud.com', '4000', 'N/A', 'N/A', 'U', NULL, NULL, NULL), ('N/A', '10889262795211641334', 'singapore', 'singapore-c1-b0033', 'gateway01.ap-southeast-1.prod.aws.tidbcloud.com', '4000', 'N/A', 'N/A', 'U', NULL, NULL, NULL), ('N/A', '10889262795211641334', 'singapore', 'singapore-c1-b0034', 'gateway01.ap-southeast-1.prod.aws.tidbcloud.com', '4000', 'N/A', 'N/A', 'U', NULL, NULL, NULL), ('N/A', '10889262795211641334', 'singapore', 'singapore-c1-b0035', 'gateway01.ap-southeast-1.prod.aws.tidbcloud.com', '4000', 'N/A', 'N/A', 'U', NULL, NULL, NULL), ('N/A', '10889262795211641334', 'singapore', 'singapore-c1-b0036', 'gateway01.ap-southeast-1.prod.aws.tidbcloud.com', '4000', 'N/A', 'N/A', 'U', NULL, NULL, NULL), ('N/A', '10889262795211641334', 'singapore', 'singapore-c1-b0037', 'gateway01.ap-southeast-1.prod.aws.tidbcloud.com', '4000', 'N/A', 'N/A', 'U', NULL, NULL, NULL), ('N/A', '10889262795211641334', 'singapore', 'singapore-c1-b0038', 'gateway01.ap-southeast-1.prod.aws.tidbcloud.com', '4000', 'N/A', 'N/A', 'U', NULL, NULL, NULL), ('N/A', '10889262795211641334', 'singapore', 'singapore-c1-b0039', 'gateway01.ap-southeast-1.prod.aws.tidbcloud.com', '4000', 'N/A', 'N/A', 'U', NULL, NULL, NULL), ('N/A', '10889262795211641334', 'singapore', 'singapore-c1-b0040', 'gateway01.ap-southeast-1.prod.aws.tidbcloud.com', '4000', 'N/A', 'N/A', 'U', NULL, NULL, NULL), ('N/A', '10889262795211641334', 'singapore', 'singapore-c1-b0041', 'gateway01.ap-southeast-1.prod.aws.tidbcloud.com', '4000', 'N/A', 'N/A', 'U', NULL, NULL, NULL), ('N/A', '10889262795211641334', 'singapore', 'singapore-c1-b0042', 'gateway01.ap-southeast-1.prod.aws.tidbcloud.com', '4000', 'N/A', 'N/A', 'U', NULL, NULL, NULL), ('N/A', '10889262795211641334', 'singapore', 'singapore-c1-b0043', 'gateway01.ap-southeast-1.prod.aws.tidbcloud.com', '4000', 'N/A', 'N/A', 'U', NULL, NULL, NULL), ('N/A', '10889262795211641334', 'singapore', 'singapore-c1-b0044', 'gateway01.ap-southeast-1.prod.aws.tidbcloud.com', '4000', 'N/A', 'N/A', 'U', NULL, NULL, NULL), ('N/A', '10889262795211641334', 'singapore', 'singapore-c1-b0045', 'gateway01.ap-southeast-1.prod.aws.tidbcloud.com', '4000', 'N/A', 'N/A', 'U', NULL, NULL, NULL), ('N/A', '10889262795211641334', 'singapore', 'singapore-c1-b0046', 'gateway01.ap-southeast-1.prod.aws.tidbcloud.com', '4000', 'N/A', 'N/A', 'U', NULL, NULL, NULL), ('N/A', '10889262795211641334', 'singapore', 'singapore-c1-b0047', 'gateway01.ap-southeast-1.prod.aws.tidbcloud.com', '4000', 'N/A', 'N/A', 'U', NULL, NULL, NULL), ('N/A', '10889262795211641334', 'singapore', 'singapore-c1-b0048', 'gateway01.ap-southeast-1.prod.aws.tidbcloud.com', '4000', 'N/A', 'N/A', 'U', NULL, NULL, NULL), ('N/A', '10889262795211641334', 'singapore', 'singapore-c1-b0049', 'gateway01.ap-southeast-1.prod.aws.tidbcloud.com', '4000', 'N/A', 'N/A', 'U', NULL, NULL, NULL), ('N/A', '10889262795211641334', 'singapore', 'singapore-c1-b0050', 'gateway01.ap-southeast-1.prod.aws.tidbcloud.com', '4000', 'N/A', 'N/A', 'U', NULL, NULL, NULL), ('N/A', '10889262795211641334', 'singapore', 'singapore-c1-b0051', 'gateway01.ap-southeast-1.prod.aws.tidbcloud.com', '4000', 'N/A', 'N/A', 'U', NULL, NULL, NULL), ('N/A', '10889262795211641334', 'singapore', 'singapore-c1-b0052', 'gateway01.ap-southeast-1.prod.aws.tidbcloud.com', '4000', 'N/A', 'N/A', 'U', NULL, NULL, NULL), ('N/A', '10889262795211641334', 'singapore', 'singapore-c1-b0053', 'gateway01.ap-southeast-1.prod.aws.tidbcloud.com', '4000', 'N/A', 'N/A', 'U', NULL, NULL, NULL), ('N/A', '10889262795211641334', 'singapore', 'singapore-c1-b0054', 'gateway01.ap-southeast-1.prod.aws.tidbcloud.com', '4000', 'N/A', 'N/A', 'U', NULL, NULL, NULL), ('N/A', '10889262795211641334', 'singapore', 'singapore-c1-b0055', 'gateway01.ap-southeast-1.prod.aws.tidbcloud.com', '4000', 'N/A', 'N/A', 'U', NULL, NULL, NULL), ('N/A', '10889262795211641334', 'singapore', 'singapore-c1-b0056', 'gateway01.ap-southeast-1.prod.aws.tidbcloud.com', '4000', 'N/A', 'N/A', 'U', NULL, NULL, NULL), ('N/A', '10889262795211641334', 'singapore', 'singapore-c1-b0057', 'gateway01.ap-southeast-1.prod.aws.tidbcloud.com', '4000', 'N/A', 'N/A', 'U', NULL, NULL, NULL), ('N/A', '10889262795211641334', 'singapore', 'singapore-c1-b0058', 'gateway01.ap-southeast-1.prod.aws.tidbcloud.com', '4000', 'N/A', 'N/A', 'U', NULL, NULL, NULL), ('N/A', '10889262795211641334', 'singapore', 'singapore-c1-b0059', 'gateway01.ap-southeast-1.prod.aws.tidbcloud.com', '4000', 'N/A', 'N/A', 'U', NULL, NULL, NULL), ('N/A', '10889262795211641334', 'singapore', 'singapore-c1-b0060', 'gateway01.ap-southeast-1.prod.aws.tidbcloud.com', '4000', 'N/A', 'N/A', 'U', NULL, NULL, NULL), ('N/A', '10889262795211641334', 'singapore', 'singapore-c1-b0061', 'gateway01.ap-southeast-1.prod.aws.tidbcloud.com', '4000', 'N/A', 'N/A', 'U', NULL, NULL, NULL), ('N/A', '10889262795211641334', 'singapore', 'singapore-c1-b0062', 'gateway01.ap-southeast-1.prod.aws.tidbcloud.com', '4000', 'N/A', 'N/A', 'U', NULL, NULL, NULL), ('N/A', '10889262795211641334', 'singapore', 'singapore-c1-b0063', 'gateway01.ap-southeast-1.prod.aws.tidbcloud.com', '4000', 'N/A', 'N/A', 'U', NULL, NULL, NULL), ('N/A', '10889262795211641334', 'singapore', 'singapore-c1-b0064', 'gateway01.ap-southeast-1.prod.aws.tidbcloud.com', '4000', 'N/A', 'N/A', 'U', NULL, NULL, NULL), ('N/A', '10889262795211641334', 'singapore', 'singapore-c1-b0065', 'gateway01.ap-southeast-1.prod.aws.tidbcloud.com', '4000', 'N/A', 'N/A', 'U', NULL, NULL, NULL), ('N/A', '10889262795211641334', 'singapore', 'singapore-c1-b0066', 'gateway01.ap-southeast-1.prod.aws.tidbcloud.com', '4000', 'N/A', 'N/A', 'U', NULL, NULL, NULL), ('N/A', '10889262795211641334', 'singapore', 'singapore-c1-b0067', 'gateway01.ap-southeast-1.prod.aws.tidbcloud.com', '4000', 'N/A', 'N/A', 'U', NULL, NULL, NULL), ('N/A', '10889262795211641334', 'singapore', 'singapore-c1-b0068', 'gateway01.ap-southeast-1.prod.aws.tidbcloud.com', '4000', 'N/A', 'N/A', 'U', NULL, NULL, NULL), ('N/A', '10889262795211641334', 'singapore', 'singapore-c1-b0069', 'gateway01.ap-southeast-1.prod.aws.tidbcloud.com', '4000', 'N/A', 'N/A', 'U', NULL, NULL, NULL), ('N/A', '10889262795211641334', 'singapore', 'singapore-c1-b0070', 'gateway01.ap-southeast-1.prod.aws.tidbcloud.com', '4000', 'N/A', 'N/A', 'U', NULL, NULL, NULL), ('N/A', '10889262795211641334', 'singapore', 'singapore-c1-b0071', 'gateway01.ap-southeast-1.prod.aws.tidbcloud.com', '4000', 'N/A', 'N/A', 'U', NULL, NULL, NULL), ('N/A', '10889262795211641334', 'singapore', 'singapore-c1-b0072', 'gateway01.ap-southeast-1.prod.aws.tidbcloud.com', '4000', 'N/A', 'N/A', 'U', NULL, NULL, NULL), ('N/A', '10889262795211641334', 'singapore', 'singapore-c1-b0073', 'gateway01.ap-southeast-1.prod.aws.tidbcloud.com', '4000', 'N/A', 'N/A', 'U', NULL, NULL, NULL), ('N/A', '10889262795211641334', 'singapore', 'singapore-c1-b0074', 'gateway01.ap-southeast-1.prod.aws.tidbcloud.com', '4000', 'N/A', 'N/A', 'U', NULL, NULL, NULL), ('N/A', '10889262795211641334', 'singapore', 'singapore-c1-b0075', 'gateway01.ap-southeast-1.prod.aws.tidbcloud.com', '4000', 'N/A', 'N/A', 'U', NULL, NULL, NULL), ('N/A', '10889262795211641334', 'singapore', 'singapore-c1-b0076', 'gateway01.ap-southeast-1.prod.aws.tidbcloud.com', '4000', 'N/A', 'N/A', 'U', NULL, NULL, NULL), ('N/A', '10889262795211641334', 'singapore', 'singapore-c1-b0077', 'gateway01.ap-southeast-1.prod.aws.tidbcloud.com', '4000', 'N/A', 'N/A', 'U', NULL, NULL, NULL), ('N/A', '10889262795211641334', 'singapore', 'singapore-c1-b0078', 'gateway01.ap-southeast-1.prod.aws.tidbcloud.com', '4000', 'N/A', 'N/A', 'U', NULL, NULL, NULL), ('N/A', '10889262795211641334', 'singapore', 'singapore-c1-b0079', 'gateway01.ap-southeast-1.prod.aws.tidbcloud.com', '4000', 'N/A', 'N/A', 'U', NULL, NULL, NULL), ('N/A', '10889262795211641334', 'singapore', 'singapore-c1-b0080', 'gateway01.ap-southeast-1.prod.aws.tidbcloud.com', '4000', 'N/A', 'N/A', 'U', NULL, NULL, NULL), ('N/A', '10889262795211641334', 'singapore', 'singapore-c1-b0081', 'gateway01.ap-southeast-1.prod.aws.tidbcloud.com', '4000', 'N/A', 'N/A', 'U', NULL, NULL, NULL), ('N/A', '10889262795211641334', 'singapore', 'singapore-c1-b0082', 'gateway01.ap-southeast-1.prod.aws.tidbcloud.com', '4000', 'N/A', 'N/A', 'U', NULL, NULL, NULL), ('N/A', '10889262795211641334', 'singapore', 'singapore-c1-b0083', 'gateway01.ap-southeast-1.prod.aws.tidbcloud.com', '4000', 'N/A', 'N/A', 'U', NULL, NULL, NULL), ('N/A', '10889262795211641334', 'singapore', 'singapore-c1-b0084', 'gateway01.ap-southeast-1.prod.aws.tidbcloud.com', '4000', 'N/A', 'N/A', 'U', NULL, NULL, NULL), ('N/A', '10889262795211641334', 'singapore', 'singapore-c1-b0085', 'gateway01.ap-southeast-1.prod.aws.tidbcloud.com', '4000', 'N/A', 'N/A', 'U', NULL, NULL, NULL), ('N/A', '10889262795211641334', 'singapore', 'singapore-c1-b0086', 'gateway01.ap-southeast-1.prod.aws.tidbcloud.com', '4000', 'N/A', 'N/A', 'U', NULL, NULL, NULL), ('N/A', '10889262795211641334', 'singapore', 'singapore-c1-b0087', 'gateway01.ap-southeast-1.prod.aws.tidbcloud.com', '4000', 'N/A', 'N/A', 'U', NULL, NULL, NULL), ('N/A', '10889262795211641334', 'singapore', 'singapore-c1-b0088', 'gateway01.ap-southeast-1.prod.aws.tidbcloud.com', '4000', 'N/A', 'N/A', 'U', NULL, NULL, NULL), ('N/A', '10889262795211641334', 'singapore', 'singapore-c1-b0089', 'gateway01.ap-southeast-1.prod.aws.tidbcloud.com', '4000', 'N/A', 'N/A', 'U', NULL, NULL, NULL), ('N/A', '10889262795211641334', 'singapore', 'singapore-c1-b0090', 'gateway01.ap-southeast-1.prod.aws.tidbcloud.com', '4000', 'N/A', 'N/A', 'U', NULL, NULL, NULL), ('N/A', '10889262795211641334', 'singapore', 'singapore-c1-b0091', 'gateway01.ap-southeast-1.prod.aws.tidbcloud.com', '4000', 'N/A', 'N/A', 'U', NULL, NULL, NULL), ('N/A', '10889262795211641334', 'singapore', 'singapore-c1-b0092', 'gateway01.ap-southeast-1.prod.aws.tidbcloud.com', '4000', 'N/A', 'N/A', 'U', NULL, NULL, NULL), ('N/A', '10889262795211641334', 'singapore', 'singapore-c1-b0093', 'gateway01.ap-southeast-1.prod.aws.tidbcloud.com', '4000', 'N/A', 'N/A', 'U', NULL, NULL, NULL), ('N/A', '10889262795211641334', 'singapore', 'singapore-c1-b0094', 'gateway01.ap-southeast-1.prod.aws.tidbcloud.com', '4000', 'N/A', 'N/A', 'U', NULL, NULL, NULL), ('N/A', '10889262795211641334', 'singapore', 'singapore-c1-b0095', 'gateway01.ap-southeast-1.prod.aws.tidbcloud.com', '4000', 'N/A', 'N/A', 'U', NULL, NULL, NULL), ('N/A', '10889262795211641334', 'singapore', 'singapore-c1-b0096', 'gateway01.ap-southeast-1.prod.aws.tidbcloud.com', '4000', 'N/A', 'N/A', 'U', NULL, NULL, NULL), ('N/A', '10889262795211641334', 'singapore', 'singapore-c1-b0097', 'gateway01.ap-southeast-1.prod.aws.tidbcloud.com', '4000', 'N/A', 'N/A', 'U', NULL, NULL, NULL), ('N/A', '10889262795211641334', 'singapore', 'singapore-c1-b0098', 'gateway01.ap-southeast-1.prod.aws.tidbcloud.com', '4000', 'N/A', 'N/A', 'U', NULL, NULL, NULL), ('N/A', '10889262795211641334', 'singapore', 'singapore-c1-b0099', 'gateway01.ap-southeast-1.prod.aws.tidbcloud.com', '4000', 'N/A', 'N/A', 'U', NULL, NULL, NULL), ('N/A', '10889262795211641334', 'singapore', 'singapore-c1-b0100', 'gateway01.ap-southeast-1.prod.aws.tidbcloud.com', '4000', 'N/A', 'N/A', 'U', NULL, NULL, NULL);

```

```sql
UPDATE lab.serverless_branch_clusters SET in_use='N' WHERE region_name='singapore' AND in_use='Y';
UPDATE lab.serverless_branch_clusters SET in_use='U' WHERE region_name='singapore';

```