SQL Table

SQL TABLE

  About SQL Table A Structured Query Language (SQL) table is a pivotal component of relational database systems, serving as …

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SQL Constraints

SQL Constraints

The SQL Constraints enforce Data Integrity and Accuracy.SQL constraints are integral components of database design, serving as the custodians of …

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Delete Statement

Delete Statement

  The DELETE statement is used to delete specific or all records from the database table. Structured Query Language (SQL) …

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Update Statement

Update Statement

The SQL UPDATE statement in SQL Server is an important command that allows you to modify existing records within a …

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SELECT Statement

SELECT statement

The select statement is used to fetch data from the database tables. Once the table is created in the database …

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Insert Query

Insert Query

Insert query in SQL is used to insert data into tables. There is a standard syntax that must be followed …

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SQL Index

SQL Index

SQL Index is used to improve query performance. The indexed table retrieves data faster. An index is a schema object …

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SQL Keys

SQL Keys

SQL Keys are used to uniquely identify records in database tables. SQL Keys in DBMS are created using single or …

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SQL Subquery

SQL Subquery

SQL Subquery is a query within a query. It is also called a nested or query. It is written in …

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