4. What is database unit testing? How to perform unit test for a stored procedure and SSIS package? 5. Assume we need to design a SSIS package to load data from a .csv file to database. In .csv file there are 10 columns. For the first 500 rows data is available for all 10 colu...
A Unique key constraint uniquely identified each record in the database. This provides uniqueness for the column or set of columns. A Primary key constraint has automatic unique constraint defined on it. But not, in the case of Unique Key. There can be many unique constraint defined per ...
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Resource:Top SQL Server Interview Questions With Answers by Software Testing Help Another specific SQL interview questions material. In this guide, you will learn about questions asked for the SQL server with detailed answers. The material might be relevant for data engineer and related job roles. ...
NoSQL Database is a sharded (shared-nothing) system which distributes the data uniformly across multiple shards in a cluster. Within each shard, storage nodes are replicated to ensure high availability, rapid failover in the event of a node failure and optimal load balancing of queries. NoSQL...
then the same number of databases may require for DEVELOPMENT, TESTING, STAGING and in PRODUCTION. If any DR / HA is configured then those replicas should also be considered. Thereof we usually do not count the number of databases but yes we can see inventories for database details. Here ar...
I was all prepared technically and was ready to answer technical questions and hearing this come from them (Who are Experts in the Database Administration field) melted my heart. I was not expecting this at all. We also had technical discussions and it was a great interview with each of ...
Connect to a SQL Server Database Engine instance or localhost. Expand Databases, right-click a database (in this case, test), point to Tasks, and select Import Flat File from the drop-down menu above Import Data. How do I load and connect different files in SQL? What are the dif...
What is Database Understand Databases and Relationships SQL Installation Steps Steps in SQL For Database Creation SQL Constraints & Alias SQL Selection Commands Ordering & Filtering SQL FUNCTIONS SQL Join Functions Type of Joins in SQL - INNER, LEFT 21m 24s Type of Joins in SQL -...
Another interview I had with a database professional, turned out to be a dull conversation. The person came in to apply for a senior function, and he definitely had the experience for it. His personality was good, and would fit the team perfectly. But every answer we asked him, he answe...