What is foreign key sql?
Answer / Jayant Srivastava
A Foreign Key in SQL is a field or set of fields in one table that refers to the primary key of another table. It is used to create a relationship between two tables.
| Is This Answer Correct ? | 0 Yes | 0 No |
What is an index? What are the types of indexes? How many clustered indexes can be created on a table?
Explain the types of joins in sql?
How to change sql*plus system settings?
How do I order columns in sql?
What is bulk compiling in pl/sql.?
What are literals in sql server?
What is coalesce in sql?
Difference between IN and EXISTS
Do you know the basic structure of PL/SQL?
how to create a database in oracle?
What is the difference between view and stored procedure?
Do view contain data?
Oracle (3253)
SQL Server (4518)
MS Access (429)
MySQL (1402)
Postgre (483)
Sybase (267)
DB Architecture (141)
DB Administration (291)
DB Development (113)
SQL PLSQL (3330)
MongoDB (502)
IBM Informix (50)
Neo4j (82)
InfluxDB (0)
Apache CouchDB (44)
Firebird (5)
Database Management (1411)
Databases AllOther (288)