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SQL Tutorial

SQL is a standard language for storing, manipulating and retrieving data in databases.

Our SQL tutorial will teach you how to use SQL in MySQL, SQL Server, MS Access, Oracle, Postgres, and other database systems.

SQL Basics

SQL Datatypes

  • SQL Bit
  • SQL Decimal
  • SQL Nchar
  • SQL NVarchar
  • SQL Int
  • SQL Char
  • SQL Varchar
  • SQL Guid

SQL Joins

SQL Dates Functions

  • SQL Date
  • SQL SYSDATETIME
  • SQL Getutcdate
  • Convert datetime to string
  • SQL Current_timestamp
  • SQL Datetimeoffset
  • SQL Datepart
  • SQL Month
  • SQL Datediff
  • SQL Eomonth
  • SQL Todatetimeoffset
  • SQL Datetime2fromparts
  • SQL Timefromparts

SQL String Functions

SQL Aggregate Functions

  • SQL avg
  • SQL count
  • SQL max
  • SQL stdev
  • SQL sum
  • SQL varp
  • SQL checksum_agg
  • SQL count_big
  • SQL min
  • SQL stdevp
  • SQL var

SQL Math Functions

SQL Views

  • SQL Views
  • SQL Rename view
  • SQL get view information
  • SQL indexed view
  • SQL Create view
  • SQL List view
  • SQL remove view

SQL Index

  • SQL create index
  • SQL rename indexes
  • SQL enable indexes
  • SQL drop indexes
  • SQL filtered indexes
  • SQL clustered indexes
  • SQL disable indexes
  • SQL unique indexes
  • SQL indexes with included columns
  • SQL indexes on computed columns

SQL Triggers

  • SQL Create trigger
  • SQL DDL trigger
  • SQL Enable trigger
  • SQL List all triggers

SQL Stored Procedure

  • SQL stored Procedure
  • SQL stored procedure variables
  • SQL stored procedure Begin…end
  • SQL stored procedure break
  • SQL stored procedure raiserror
  • SQL stored procedure dynamic sql
  • SQL stored procedure parameters
  • SQL stored procedure output parameters
  • SQL stored procedure if else
  • SQL stored procedure continue
  • SQL stored procedure try catch
  • SQL stored procedure throw

SQL Server System Functions

  • SQL Server Cast
  • SQL Server Choose
  • SQL Server IsNumeric
  • SQL Server try_cast
  • SQL Server try_parse
  • SQL Server Convert
  • SQL Server Isnull
  • SQL Server iif
  • SQL Server try_convert

SQL Server Window Functions

  • SQL Server Cume_dist
  • SQL Server First_value
  • SQL Server Last_value
  • SQL Server Ntile
  • SQL Server Rank
  • SQL Server Dense_rank
  • SQL Server lag
  • SQL Server lead
  • SQL Server percent_rank
  • SQL Server Row_number

Advanced SQL

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