SQL PLSQL Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

SQL PLSQL Interview Questions

Questions Answers Views Company eMail

what is the difference between undefined value and null value? : Sql dba

1101

explain the difference between bool, tinyint and bit. : Sql dba

997

how mysql optimizes distinct? : Sql dba

1079

how many ways we can we find the current date using mysql? : Sql dba

1099

what are local and global variables and their differences? : Sql dba

1070

how to enter numeric values as hex numbers? : Sql dba

1064

what is datawarehouse? : Sql dba

1015

what happens if null values are involved in expressions? : Sql dba

1044

how many ways to get the current time? : Sql dba

1007

how to enter binary numbers in sql statements? : Sql dba

972

what is commit? : Sql dba

1071

what is a composite key ? : Sql dba

1059

what is the difference between delete and truncate commands? : Sql dba

1068

what is the maximum length of a table name, database name, and fieldname in mysql? : Sql dba

1125

what is an index? : Sql dba

993

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Un-Answered Questions { SQL PLSQL }

Why do we need cursor in pl sql?

1133

What is use of package in pl sql?

1013

How many columns should be in an index?

963

Can we create index on primary key?

966

What are aggregate functions in sql?

1160

What is compute?

1086

what is the stuff function and how does it differ from the replace function? : Sql dba

1045

what is uncommittable transactions? : Transact sql

996

Can dml statements be used in pl/sql?

1078

What is user defined functions?

979

Explain lock escalation? : Transact sql

1196

Why do we use sql constraints? Which constraints we can use while creating database in sql?

1042

Are stored procedures faster than dynamic sql?

1039

what are the authentication modes in sql server? : Sql dba

1061

Why is there a need for sqlcode and sqlerrm variables?

1046

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