# data_table_column ## Description
Table Definition ```sql CREATE TABLE "data_table_column" ("id" varchar(36) PRIMARY KEY NOT NULL, "name" varchar(128) NOT NULL, "type" varchar(32) NOT NULL, "index" integer NOT NULL, "dataTableId" varchar(36) NOT NULL, "createdAt" datetime(3) NOT NULL DEFAULT (STRFTIME('%Y-%m-%d %H:%M:%f', 'NOW')), "updatedAt" datetime(3) NOT NULL DEFAULT (STRFTIME('%Y-%m-%d %H:%M:%f', 'NOW')), CONSTRAINT "UQ_8082ec4890f892f0bc77473a123" UNIQUE ("dataTableId", "name"), CONSTRAINT "FK_930b6e8faaf88294cef23484160" FOREIGN KEY ("dataTableId") REFERENCES "data_table" ("id") ON DELETE CASCADE) ```
## Columns | Name | Type | Default | Nullable | Children | Parents | Comment | | ---- | ---- | ------- | -------- | -------- | ------- | ------- | | createdAt | datetime(3) | STRFTIME('%Y-%m-%d %H:%M:%f', 'NOW') | false | | | | | dataTableId | varchar(36) | | false | | [data_table](data_table.md) | | | id | varchar(36) | | false | | | | | index | INTEGER | | false | | | | | name | varchar(128) | | false | | | | | type | varchar(32) | | false | | | | | updatedAt | datetime(3) | STRFTIME('%Y-%m-%d %H:%M:%f', 'NOW') | false | | | | ## Constraints | Name | Type | Definition | | ---- | ---- | ---------- | | - (Foreign key ID: 0) | FOREIGN KEY | FOREIGN KEY (dataTableId) REFERENCES data_table (id) ON UPDATE NO ACTION ON DELETE CASCADE MATCH NONE | | id | PRIMARY KEY | PRIMARY KEY (id) | | sqlite_autoindex_data_table_column_1 | PRIMARY KEY | PRIMARY KEY (id) | | sqlite_autoindex_data_table_column_2 | UNIQUE | UNIQUE (dataTableId, name) | ## Indexes | Name | Definition | | ---- | ---------- | | sqlite_autoindex_data_table_column_1 | PRIMARY KEY (id) | | sqlite_autoindex_data_table_column_2 | UNIQUE (dataTableId, name) | ## Relations ```mermaid erDiagram "data_table_column" }o--|| "data_table" : "FOREIGN KEY (dataTableId) REFERENCES data_table (id) ON UPDATE NO ACTION ON DELETE CASCADE MATCH NONE" "data_table_column" { datetime_3_ createdAt varchar_36_ dataTableId FK varchar_36_ id PK INTEGER index varchar_128_ name varchar_32_ type datetime_3_ updatedAt } "data_table" { datetime_3_ createdAt varchar_36_ id PK varchar_128_ name varchar_36_ projectId FK datetime_3_ updatedAt } ``` --- > Generated by [tbls](https://github.com/k1LoW/tbls)