Presentation of SQL
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SQL stands for Structured Query Language. It was invented in the 1970s by IBM as a special purpose programming language for managing databases and querying structured data. Some key advantages of SQL include its ability to retrieve large amounts of records from a database quickly and efficiently, as well as create functions, triggers, and procedures. However, SQL can also be difficult to interface with and features are sometimes implemented in proprietary ways.
Presentation of SQL
- 3. What stands for SQL What is SQL Advantage and Disadvantage of SQL History of SQL Used for SQL Some statements or codes of Codes
- 4. SQL is sands for Structure Query Language . SQL has many definition but we take some of them SQL is special purpose programming language designed for managing database. On other hand SQL is rational database language.
- 5. Can be used to create function and trigger procedures. You can add control structure to the SQL Also you can perform complex computation SQL can be used to retrieve large amount of records from database quickly and efficiently
- 6. Difficult in interfacing More features implemented in proprietary way SQL is invented primarily to provide a method to access structure data in order to transparencies the physical storage scheme.
- 7. IBM invented a computer language back in the 1970s designed specifically for database queries called SEQUEL, which stood for Structured English Query Language. IBM released SEQUEL into the public domain, where it became known as SQL. Because of this heritage you can pronounce it as "sequel" or spell it out as "S-Q-L" when talking about it. Microsoft initially developed SQL Server (a database product that understands the SQL language) with Sybase Corporation for use on the IBM OS/2 platform.
- 8. Data Manipulation Data Definition Data Administration All are expressed as an SQL statement.
- 9. When we start SQL codes always first code is create Database ,Table and so on….. Just write in area of work Create Hospital That is database Create Table ( Employee ID integer , Employee Name varchar(50) ) we use codes like that.