- 1. Basics
- How to Compare Arrays in PostgreSQL
- How to Concatenate Strings in PostgreSQL
- How to Convert the Case of a String
- How to Create an Array
- How to Insert Array Data Into a Table
- How to Insert Data Into an Array
- How to Modify Arrays
- How to Query Arrays
- How to Replace Substrings
- How to Trim Strings
- How to Use string_agg()
- How to Use substring()
- How to Use substring() with Regular Expressions
- How to Insert
- How to Update
- How to Delete
- 2. Database Management
- How to Create a Table
- How to Drop a Table
- How to Rename a Table
- How to Truncate a Table
- How to Duplicate a Table
- How to Add a Column
- How to Drop a Column
- How to Rename a Column
- How to Add a Default Value to a Column
- How to Remove a Default Value From a Column
- How to Add a Not Null Constraint
- How to Remove a Not Null Constraint
- How to Create an Index
- How to Drop an Index
- How to Create a View
- How to Drop a View
- How to Alter Sequence
- 3. Dates And Time
- How to Exclude Current or Partial Weeks
- How to Use BETWEEN Correctly
- How to Query Date and Time
- How to Group by Time
- How to Round Timestamps
- How to Convert Local Time to UTC
- 4. Analysis
- How to Use Lateral Joins
- How to Use nullif()
- How to Get the First Row per Group
- How to Use generate_series to Avoid Gaps In Data
- How to Do Type Casting
- How to Write a Common Table Expression
- How to Import a CSV
- How to Compare Two Values When One Is Null
- How to Use Coalesce
- How to Write a Case Statement
- How to Query a JSON Column
- How to Use Filter Clause to Have Multiple Counts
- How to Calculate Cumulative Sum-Running Total
- 1. Basics
- How to Concatenate Strings in MS-SQL Server
- How to Convert the Case of a String
- How to replace a Substring in a String
- How to Trim Strings
- How to Use string_agg()
- How to Use substring()
- How to Insert
- How to Update
- How to Delete
- 2. Database Management
- How to Create a Table in MS-SQL
- How to Drop a Table in MS-SQL
- How to Rename a Table in MS-SQL
- How to Truncate a Table in MS-SQL
- How to Duplicate a Table in MS-SQL
- How to Add a Column in MS-SQL
- How to Drop a Column in MS-SQL
- How to Rename a Column in MS-SQL
- How to Add a Default Value to a Column in MS-SQL
- How to Remove a Default Value From a Column in MS-SQL
- How to Add a Not Null Constraint in MS-SQL
- How to Remove a Not Null Constraint in MS-SQL
- How to Create an Index in MS-SQL
- How to Drop an Index in MS-SQL
- How to Create a View in MS-SQL
- How to Drop a View in MS-SQL
- How to Alter Sequence in MS-SQL
- 3. Dates And Time
- How to Exclude Current or Partial Weeks
- How to Use BETWEEN Correctly
- How to Query Date and Time in MS-SQL
- How to Group by Time
- How to Extract a Component From a Datetime
- 4. Analysis
- How to Use Lateral Joins
- How to Use nullif()
- How to Get the First Row per Group
- How to Do Type Casting in MS-SQL
- How to Write a Common Table Expression
- How to Import a CSV
- How to Use Coalesce
- How to Write a Case Statement
- How to Query a JSON Column
- How to Calculate Cumulative Sum-Running Total
- 1. Basics
- How to Concatenate Strings in MySQL
- How to Convert the Case of a String
- How to replace a Substring in a String
- How to Trim a String
- How to use group_concat()
- How to do you Use a substring()
- How to Use substring() with Regular Expressions
- How to use insert into statement
- How to use Update statement in SQL
- How to use Delete SQL Statement
- 2. Database Management
- How to Create a Table in MySQL
- How to Drop a Table in MySQL
- How to Rename a Table in MySQL
- How to Truncate a Table in MySQL
- How to Duplicate a Table in MySQL
- How to Add a Column in MySQL
- How to Drop a Column in MySQL
- How to Rename a Column in MySQL
- How to Add a Default Value to a Column in MySQL
- How to Remove a Default Value From a Column in MySQL
- How to Add a Not Null Constraint in MySQL
- How to Remove a Not Null Constraint in MySQL
- How to Create an Index in MySQL
- How to Drop an Index in MySQL
- How to Create a View in MySQL
- How to Drop a View in MySQL
- How to Alter Sequence in MySQL
- 3. Dates And Time
- How to Exclude Current or Partial Weeks
- How to Use BETWEEN Correctly
- How to Query Date and Time in MySQL
- How to Group by Time
- How to Round Timestamps
- 4. Analysis
- How to Use nullif()
- How to Get the First Row per Group
- How to Do Type Casting in MySQL
- How to Write a Common Table Expression
- How to Import a CSV
- How to Use Coalesce
- How to Write a Case Statement
- How to Query a JSON Column
- How to Calculate Cumulative Sum-Running Total
- 1. Basics
- How to Concatenate Strings in Oracle
- How to Convert the Case of a String
- How to Replace Substrings
- How to Trim Strings
- How to Use listagg()
- How to Use substring()
- How to Use substring() with Regular Expressions
- How to Insert
- How to Update
- How to Delete
- 2. Database Management
- How to Create a Table
- How to Drop a Table
- How to Rename a Table
- How to Truncate a Table
- How to Duplicate a Table
- How to Add a Column
- How to Drop a Column
- How to Rename a Column
- How to Add a Default Value to a Column
- How to Remove a Default Value From a Column
- How to Add a Not Null Constraint
- How to Remove a Not Null Constraint
- How to Create an Index
- How to Drop an Index
- How to Create a View
- How to Drop a View
- How to Alter Sequence
- 3. Dates And Time
- How to Exclude Current or Partial Weeks
- How to Use BETWEEN Correctly
- How to Query Date and Time
- How to Group by Time
- How to Round Timestamps
- 4. Analysis
- How to Use nullif()
- How to Get the First Row per Group
- How to Do Type Casting
- How to Write a Common Table Expression
- How to Import a CSV
- How to Use Coalesce
- How to Write a Case Statement
- How to Query a JSON Column
- How to Use Filter Clause to Have Multiple Counts
- How to Calculate Cumulative Sum-Running Total
- 1. Basics
- How to Concatenate Strings in BigQuery
- How to Convert the Case of a String
- How to replace a Substring in a String
- How to Trim a String
- How to Use string_agg()
- How to use substring() function
- How to Use substring() with Regular Expressions
- How to Use BETWEEN Correctly
- How to use insert into statement
- How to use Update statement in SQL
- How to use Delete SQL Statement
- 2. Database Management
- How to Create a Database in BigQuery
- How to Create a Table in BigQuery
- How to Drop a Table in BigQuery
- How to Rename a Table in BigQuery
- How to Truncate Table in BigQuery
- How to Duplicate a Table in BigQuery
- How to Add a Column in BigQuery
- How to Drop a Column in BigQuery
- How to Add a Default Value to a Column in BigQuery
- How to Add a Not Null Constraint in BigQuery
- How to Remove a Not Null Constraint in BigQuery
- How to Create a View in BigQuery
- How to Drop a View in BigQuery
- 3. Dates And Time
- How to Exclude Current or Partial Weeks
- How to Query Date and Time
- How to Group by Time
- How to Round Timestamps
- 4. Analysis
- How to Use nullif()
- How to Get the First Row per Group
- How to Do Type Casting
- How to Write a Common Table Expression
- How to Compare Two Values When One Is Null
- How to Use Coalesce
- How to Write a Case Statement
- How to Calculate Cumulative Sum-Running Total
How to Use substring()
- 1. Basics
- How to Compare Arrays in PostgreSQL
- How to Concatenate Strings in PostgreSQL
- How to Convert the Case of a String
- How to Create an Array
- How to Insert Array Data Into a Table
- How to Insert Data Into an Array
- How to Modify Arrays
- How to Query Arrays
- How to Replace Substrings
- How to Trim Strings
- How to Use string_agg()
- How to Use substring()
- How to Use substring() with Regular Expressions
- How to Insert
- How to Update
- How to Delete
- 2. Database Management
- How to Create a Table
- How to Drop a Table
- How to Rename a Table
- How to Truncate a Table
- How to Duplicate a Table
- How to Add a Column
- How to Drop a Column
- How to Rename a Column
- How to Add a Default Value to a Column
- How to Remove a Default Value From a Column
- How to Add a Not Null Constraint
- How to Remove a Not Null Constraint
- How to Create an Index
- How to Drop an Index
- How to Create a View
- How to Drop a View
- How to Alter Sequence
- 3. Dates And Time
- How to Exclude Current or Partial Weeks
- How to Use BETWEEN Correctly
- How to Query Date and Time
- How to Group by Time
- How to Round Timestamps
- How to Convert Local Time to UTC
- 4. Analysis
- How to Use Lateral Joins
- How to Use nullif()
- How to Get the First Row per Group
- How to Use generate_series to Avoid Gaps In Data
- How to Do Type Casting
- How to Write a Common Table Expression
- How to Import a CSV
- How to Compare Two Values When One Is Null
- How to Use Coalesce
- How to Write a Case Statement
- How to Query a JSON Column
- How to Use Filter Clause to Have Multiple Counts
- How to Calculate Cumulative Sum-Running Total
- 1. Basics
- How to Concatenate Strings in MS-SQL Server
- How to Convert the Case of a String
- How to replace a Substring in a String
- How to Trim Strings
- How to Use string_agg()
- How to Use substring()
- How to Insert
- How to Update
- How to Delete
- 2. Database Management
- How to Create a Table in MS-SQL
- How to Drop a Table in MS-SQL
- How to Rename a Table in MS-SQL
- How to Truncate a Table in MS-SQL
- How to Duplicate a Table in MS-SQL
- How to Add a Column in MS-SQL
- How to Drop a Column in MS-SQL
- How to Rename a Column in MS-SQL
- How to Add a Default Value to a Column in MS-SQL
- How to Remove a Default Value From a Column in MS-SQL
- How to Add a Not Null Constraint in MS-SQL
- How to Remove a Not Null Constraint in MS-SQL
- How to Create an Index in MS-SQL
- How to Drop an Index in MS-SQL
- How to Create a View in MS-SQL
- How to Drop a View in MS-SQL
- How to Alter Sequence in MS-SQL
- 3. Dates And Time
- How to Exclude Current or Partial Weeks
- How to Use BETWEEN Correctly
- How to Query Date and Time in MS-SQL
- How to Group by Time
- How to Extract a Component From a Datetime
- 4. Analysis
- How to Use Lateral Joins
- How to Use nullif()
- How to Get the First Row per Group
- How to Do Type Casting in MS-SQL
- How to Write a Common Table Expression
- How to Import a CSV
- How to Use Coalesce
- How to Write a Case Statement
- How to Query a JSON Column
- How to Calculate Cumulative Sum-Running Total
- 1. Basics
- How to Concatenate Strings in MySQL
- How to Convert the Case of a String
- How to replace a Substring in a String
- How to Trim a String
- How to use group_concat()
- How to do you Use a substring()
- How to Use substring() with Regular Expressions
- How to use insert into statement
- How to use Update statement in SQL
- How to use Delete SQL Statement
- 2. Database Management
- How to Create a Table in MySQL
- How to Drop a Table in MySQL
- How to Rename a Table in MySQL
- How to Truncate a Table in MySQL
- How to Duplicate a Table in MySQL
- How to Add a Column in MySQL
- How to Drop a Column in MySQL
- How to Rename a Column in MySQL
- How to Add a Default Value to a Column in MySQL
- How to Remove a Default Value From a Column in MySQL
- How to Add a Not Null Constraint in MySQL
- How to Remove a Not Null Constraint in MySQL
- How to Create an Index in MySQL
- How to Drop an Index in MySQL
- How to Create a View in MySQL
- How to Drop a View in MySQL
- How to Alter Sequence in MySQL
- 3. Dates And Time
- How to Exclude Current or Partial Weeks
- How to Use BETWEEN Correctly
- How to Query Date and Time in MySQL
- How to Group by Time
- How to Round Timestamps
- 4. Analysis
- How to Use nullif()
- How to Get the First Row per Group
- How to Do Type Casting in MySQL
- How to Write a Common Table Expression
- How to Import a CSV
- How to Use Coalesce
- How to Write a Case Statement
- How to Query a JSON Column
- How to Calculate Cumulative Sum-Running Total
- 1. Basics
- How to Concatenate Strings in Oracle
- How to Convert the Case of a String
- How to Replace Substrings
- How to Trim Strings
- How to Use listagg()
- How to Use substring()
- How to Use substring() with Regular Expressions
- How to Insert
- How to Update
- How to Delete
- 2. Database Management
- How to Create a Table
- How to Drop a Table
- How to Rename a Table
- How to Truncate a Table
- How to Duplicate a Table
- How to Add a Column
- How to Drop a Column
- How to Rename a Column
- How to Add a Default Value to a Column
- How to Remove a Default Value From a Column
- How to Add a Not Null Constraint
- How to Remove a Not Null Constraint
- How to Create an Index
- How to Drop an Index
- How to Create a View
- How to Drop a View
- How to Alter Sequence
- 3. Dates And Time
- How to Exclude Current or Partial Weeks
- How to Use BETWEEN Correctly
- How to Query Date and Time
- How to Group by Time
- How to Round Timestamps
- 4. Analysis
- How to Use nullif()
- How to Get the First Row per Group
- How to Do Type Casting
- How to Write a Common Table Expression
- How to Import a CSV
- How to Use Coalesce
- How to Write a Case Statement
- How to Query a JSON Column
- How to Use Filter Clause to Have Multiple Counts
- How to Calculate Cumulative Sum-Running Total
- 1. Basics
- How to Concatenate Strings in BigQuery
- How to Convert the Case of a String
- How to replace a Substring in a String
- How to Trim a String
- How to Use string_agg()
- How to use substring() function
- How to Use substring() with Regular Expressions
- How to Use BETWEEN Correctly
- How to use insert into statement
- How to use Update statement in SQL
- How to use Delete SQL Statement
- 2. Database Management
- How to Create a Database in BigQuery
- How to Create a Table in BigQuery
- How to Drop a Table in BigQuery
- How to Rename a Table in BigQuery
- How to Truncate Table in BigQuery
- How to Duplicate a Table in BigQuery
- How to Add a Column in BigQuery
- How to Drop a Column in BigQuery
- How to Add a Default Value to a Column in BigQuery
- How to Add a Not Null Constraint in BigQuery
- How to Remove a Not Null Constraint in BigQuery
- How to Create a View in BigQuery
- How to Drop a View in BigQuery
- 3. Dates And Time
- How to Exclude Current or Partial Weeks
- How to Query Date and Time
- How to Group by Time
- How to Round Timestamps
- 4. Analysis
- How to Use nullif()
- How to Get the First Row per Group
- How to Do Type Casting
- How to Write a Common Table Expression
- How to Compare Two Values When One Is Null
- How to Use Coalesce
- How to Write a Case Statement
- How to Calculate Cumulative Sum-Running Total
In MS-SQL the substring function extracts the specified amount of characters from a string.
select substring('hello how are you', 7,3) as substring
substring |
---|
how |
The second parameter specifies the position where the substring starts and the third parameter is the length of the substring to extract. The three parameters are mandatory.
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Build visual data models without learning a new language
Create two dashboards and ten reports for free