Can I create table without primary key?
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How many triggers can be applied on a table?
What are the types of dbms?
How many aggregate functions are available there in sql?
What is the difference between CHAR and VARCHAR2? If VARCHAR2 serves the uses of CHAR why CHAR is still used and not been discarded yet?
How do you rank data in sql?
What is a native sql query?
What are different types of triggers?
What is a crud api?
Can we create index on primary key?
consider a table which contain 4 columns,ename,eno,sal and deptno, from this table i want to know ename who having maximum salary in deptno 10 and 20.
If the application is running very slow? At what points you need to go about the database in order to improve the performance?
explain normalization concept? : Sql dba
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