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

Oracle (3259)
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)

Databases Interview Questions

Questions Answers Views Company eMail

How to get help at the sql prompt?

1116

What is sql in oracle?

1062

How run sql*plus commands that are stored in a local file?

1061

What are the types pl/sql code blocks?

1135

What do you think about pl/sql?

1034

Can ddl statements be used in pl/sql?

1145

How to create an array in pl/sql?

1069

How to start oracle sql developer?

1038

How to set up sql*plus output format in oracle?

1038

How to load data with sql*loader?

1051

What is a sql*loader control file?

1267

What is pl/sql language case sensitive?

1127

How to create your own reports in sql developer?

1020

How to avoid using cursors?

1123

Can we declare a column having number data type and its scale is larger than pricesionex: column_name number(10,100),column_name numbaer(10,-84)

960

Un-Answered Questions { Databases }

What are sql commands?

1014

Explain storage engine in mongodb

What is 3NF?

870

What is difference between mysql and postgresql?

1156

Why select is used in sql?

1021

Typically, where is the conventional directory structure chosen for Oracle binaries to reside?

2145

what are all the conversion and interfaces in GL,AP,AR,HRMS with example? otherwise send send link for these

2320

Is mongodb stitch free?

WHAT ARE TEMPLATES?EXPLAIN WHAT YOU HAVE CREATED?

2026

You want to be sure that queries in a database always execute at the maximum possible speed. To achieve this goal you have created various indexes on tables which other statement will keep the database in good condition?

1073

Define compound operators?

916

Explain the role of indexing in databases?

1134

Explain how long are locks retained within the repeatable_read and serializable isolation levels, during a read operation with row-level locking?

1164

How to populate multiple fields in mongoose?

How many types of privileges are available in sql?

1350

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