Can you insert NULL in unique column?
No Answer is Posted For this Question
Be the First to Post Answer
What are different types of database indexes?
How to skip remaining statements in a loop block using continue statements?
how to get the maximum among two tables,for example table 1 (dep1) have (emp_id,emp_name,salary) columns and table 2 (dept2) have (emp_id,emp_name,salary) columns,i want which employee have the maximum salary among two tables?
What are scalar functions in sql?
How to retrieve error messages using odbc_errormsg()?
what is the difference between table and view
What is the use of DBCC commands?
How can you set the threshold at which sql server will generate keysets asynchronously?
What is a heap?
What is shared lock?
please give me query code of unique fuction select UNIQUE (name) from emp_info Incorrect syntax near the keyword 'UNIQUE'.
How do I manually uninstall an instance of sql server 2016?
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)