SQL CRUD operation - Ready Reckoner

Hey friends, SQL is a large topic, but you must knows the CRUD operations atleast to be able to do the minimum basic tasks in SQL. Hence, check out this post for a Ready Reckoner of SQL CRUD operation queries. CRUD stands for Create, Read, Update and Delete in SQL.

1. For Displaying records:

select * from [table_name];
select * from [table_name] where [field_name]='1';

2. Deleting specific records:

delete from [table_name] where [field_name]>0;

3. Insert Records

insert into [table_name] (field1, field2, field3,...) values (value1, value2, value3,...);
insert into [table_name] values (value1, value2, value3,...);

4. Update Records:

update [table_name] set [field1]=[new_value] where [field2]="1";

By the way if you are preparing for an upcoming interview, then you must check out this Top SQL Interview questions cheatsheet.

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