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SQL SQL-Clauses-Operators SQL

SQL With Ties Clause

This post is a continuation of SQL Offset-Fetch Clause Now, we understand that how to use the Fetch Clause in Oracle Database, along with the Specified Offset and we ...
DBMS SQL SQL-Clauses-Operators

SQL MERGE Statement

Prerequisite – INSERT, UPDATE, DELETE The MERGE command in SQL is actually a combination of three SQL statements: INSERT, UPDATE and DELETE. In simple words, t...
DBMS SQL SQL-Clauses-Operators

SQL Wildcard operators

Prerequisite:  SQL | WHERE Clause In the above mentioned article WHERE Clause is discussed in which LIKE operator is also explained, where you must have encounte...
DBMS SQL SQL-Clauses-Operators

MERGE Statement in SQL Explained

Prerequisite – MERGE Statement MERGE statement in SQL as discussed before is the combination of three INSERT, DELETE and UPDATE statements and with the help of...
SQL SQL-Clauses-Operators SQL


Used in : Postgre sql CREATE DOMAIN creates a new domain. A domain is essentially a data type with optional constraints (restrictions on the allowed set of values). T...
SQL SQL-Clauses-Operators SQL

SQL DDL, DML, DCL and TCL Commands

Structured Query Language(SQL) as we all know is the database language by the use of which we can perform certain operations on the existing database and also we can...
DBMS SQL SQL-Clauses-Operators

SQL Arithmetic Operators

Prerequisite: Basic Select statement, Insert into clause, Sql Create Clause, SQL Aliases We can use various Arithmetic Operators on the data stored in the tables. Ari...
SQL SQL-Clauses-Operators SQL


Prerequisite : Sql Create Clause, As the name suggests, DESCRIBE is used to describe something. Since in database we have tables, that’s why we use DESCRIBE or...
SQL SQL-Clauses-Operators SQL


If several columns have the same names but the datatypes do not match, the NATURAL JOIN clause can be modified with the USING clause to specify the columns that shoul...
SQL SQL-Clauses-Operators SQL

SQL UNIQUE Constraint

SQL Constraints Unique constraint in SQL is used to check whether the sub query has duplicate tuples in it’s result. It returns a boolean value indicating the ...

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