character varying(5)代表多长

博客提及某代表的最大长度为5,且其长度可在0 - 5之间变化。

 

代表最大长度是5.

 

但是可以在0-5之间变化。

 

 

java 的 camunda7.20无法直接进行流程实例分类,我现在有一个分类的表CREATE TABLE "camunda_test"."wf_category" ( "category_id" int8 NOT NULL, "category_name" varchar(64) COLLATE "pg_catalog"."default" DEFAULT ''::character varying, "code" varchar(64) COLLATE "pg_catalog"."default" DEFAULT ''::character varying, "remark" varchar(500) COLLATE "pg_catalog"."default" DEFAULT ''::character varying, "create_by" varchar(64) COLLATE "pg_catalog"."default" DEFAULT ''::character varying, "create_time" timestamp(6), "update_by" varchar(64) COLLATE "pg_catalog"."default" DEFAULT ''::character varying, "update_time" timestamp(6), "del_flag" char(1) COLLATE "pg_catalog"."default" DEFAULT '0'::bpchar, "wf_process_type" varchar(20) COLLATE "pg_catalog"."default", CONSTRAINT "wf_category_pkey" PRIMARY KEY ("category_id") ) ; ALTER TABLE "camunda_test"."wf_category" OWNER TO "user_01"; COMMENT ON COLUMN "camunda_test"."wf_category"."category_id" IS '流程分类id'; COMMENT ON COLUMN "camunda_test"."wf_category"."category_name" IS '流程分类名称'; COMMENT ON COLUMN "camunda_test"."wf_category"."code" IS '分类编码'; COMMENT ON COLUMN "camunda_test"."wf_category"."remark" IS '备注'; COMMENT ON COLUMN "camunda_test"."wf_category"."create_by" IS '创建者'; COMMENT ON COLUMN "camunda_test"."wf_category"."create_time" IS '创建时间'; COMMENT ON COLUMN "camunda_test"."wf_category"."update_by" IS '更新者'; COMMENT ON COLUMN "camunda_test"."wf_category"."update_time" IS '更新时间'; COMMENT ON COLUMN "camunda_test"."wf_category"."del_flag" IS '删除标志(0代表存在 2代表删除)'; COMMENT ON COLUMN "camunda_test"."wf_category"."wf_process_type" IS '流程类型'; COMMENT ON TABLE "camunda_test"."wf_category" IS '流程分类表';
最新发布
09-02
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