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11 Posts
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01
Oct
What is C Programming language ?
By
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Dennis Ritchie developed the C language. It created the C language as a system...
1 Min Read
30
Sep
What is Array in C ?
By
webmaster
Arrays are defined as collection of similar type of data items that is stored...
2 Min Read
29
Sep
Can you use UNIQUE KEY as a replacement for Primary Key ?
By
webmaster
Both Keys are different. For Identifying each and every record in a table we...
1 Min Read
29
Sep
What are all the different attributes of indexes ?
By
webmaster
The indexing has various attributes: Access Types: Value based search , range...
1 Min Read
27
Sep
What are the different types of SQL commands ?
By
webmaster
DDL (Data Definition Language) DML (Data Manipulation Language) DCL (Data...
2 Min Read
27
Sep
Difference between SQL and PLSQL
By
webmaster
SQL PL/SQL SQL is structural query language for database. It has no variables....
1 Min Read
27
Sep
Char vs Varchar in SQL
By
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Char VarChar Char data type is used for storing single character values It is a...
1 Min Read
27
Sep
What is Default constraint in SQL ?
By
webmaster
Constraints are a certain set of rules used for processing data and limiting...
1 Min Read