SQL Interview Questions

Table of Contents

SQL is an ANSI(American National Standards Institute) standard. SQL stands for Structured Query Language. SQL is the fundamental language that enables your database servers to store and alter the information on it. It means using SQL, we can execute queries, we can insert records in a table, we can update records, we can create a database, we can create or delete a table etc.

Development History

The SQL programming language was first created during the 1970s by IBM scientists Raymond Boyce and Donald Chamberlin. The programming language, referred to then as SEQUEL, was made after the distributing of Edgar Frank Todd’s paper, “A Relational Model of Data for Large Shared Data Banks,” in 1970.

Latest Version

SQL Server 2019 (15.x) RC is the most recent open arrival of SQL Server 2019 (15.x). It is accessible just as Evaluation Edition. No different Editions are accessible.

Some normal social database the executives frameworks that utilization SQL are: Oracle, Sybase, Microsoft SQL Server, Access, Ingres, and so on.

The SQL language is composed to brush the substance of tables in an ordinary database. SQL is generally utilized in business and in different kinds of database organization. It is the default instrument for “working” on the customary database, to adjust postponed information, recover information or generally control a current informational collection.
There are some SQL interview questions given below:

Conclusion

So it can be concluded at the end that even today with the fast-growing technologies and evolution of no SQL databases in the market, Uses of SQL still plays a vital role for structured data. SQL provides flexibility of querying the tabular data with SQL queries which is a great help in many ways.

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