Handling No Data Found In Cards
As Cards do not have headers, developers can define a No Data Found Message, with their own icon to make Cards without no results. The query returns no rows, that's why, the card itself will not be rendered on the page. This can also be used in preventing empty or redundant card elements from appearing. Developer must Provide an informative messages when no data is found, guiding users appropriately.
Create Table
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CREATE TABLE "EBA_DEMO_CARD_EMP"
( "EMPNO" NUMBER NOT NULL ENABLE,
"ENAME" VARCHAR2(255),
"JOB" VARCHAR2(255),
"MGR" NUMBER,
"HIREDATE" DATE,
"SAL" NUMBER,
"COMM" NUMBER,
"DEPTNO" NUMBER,
"PROFILE_IMAGE" BLOB,
"MIMETYPE" VARCHAR2(255),
"FILENAME" VARCHAR2(400),
"IMAGE_LAST_UPDATE" DATE,
"TAGS" VARCHAR2(4000),
CONSTRAINT "EBA_DEMO_CARD_EMP_PK" PRIMARY KEY ("EMPNO")
USING INDEX ENABLE
) ;
ALTER TABLE "EBA_DEMO_CARD_EMP" ADD CONSTRAINT "EBA_DEMO_CARD_EMP_DEPT_FK" FOREIGN KEY ("DEPTNO")
REFERENCES "EBA_DEMO_CARD_DEPT" ("DEPTNO") ENABLE;
ALTER TABLE "EBA_DEMO_CARD_EMP" ADD CONSTRAINT "EBA_DEMO_CARD_EMP_MGR_FK" FOREIGN KEY ("MGR")
REFERENCES "EBA_DEMO_CARD_EMP" ("EMPNO") ENABLE;
Image Attribution
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https://www.freepik.com/free-vector/b..." Freepik
https://www.freepik.com/free-ai-image..." Image By freepik
