Is there a divide function in SQL?

Is there a divide function in SQL?

The SQL divide ( / ) operator is used to divide one expressions or numbers by another.

Is there a length function in SQL?

You can use SQL length functions in the SELECT statement and other data manipulation statements. Length functions return the length of a column, string, or variable in bytes or characters. For the syntax of these functions, see the Expression segment in the IBM® Informix® Guide to SQL: Syntax .

Is there a search function in SQL?

SQL Server CHARINDEX() function searches for a substring inside a string starting from a specified location. It returns the position of the substring found in the searched string, or zero if the substring is not found. The starting position returned is 1-based, not 0-based.

What is unique function in SQL?

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 presence/absence of duplicate tuples. Unique construct returns true only if the sub query has no duplicate tuples, else it return false.

Does math do SQL?

Does SQL Server perform basic mathematical calculations? Yes – SQL Server can perform basic addition, subtraction, multiplication and division.

How do I get remainder in SQL?

SQL MOD() function is used to get the remainder from a division. The SQL DISTINCT command along with the SQL MOD() function is used to retrieve only unique records depending on the specified column or expression. All of above platforms support the SQL syntax of MOD().

How do I get the first row in SQL?


  1. SQL Server / MS Access Syntax: SELECT TOP number|percent column_name(s) FROM table_name.
  2. MySQL Syntax: SELECT column_name(s) FROM table_name.
  3. Oracle 12 Syntax: SELECT column_name(s)
  4. Older Oracle Syntax: SELECT column_name(s)
  5. Older Oracle Syntax (with ORDER BY): SELECT *

How do you Substr in SQL?

SQL Server SUBSTRING() Function

  1. Extract 3 characters from a string, starting in position 1: SELECT SUBSTRING(‘SQL Tutorial’, 1, 3) AS ExtractString;
  2. Extract 5 characters from the “CustomerName” column, starting in position 1:
  3. Extract 100 characters from a string, starting in position 1:

How do I find an apostrophe in SQL?

Brackets are used around identifiers, so your code will look for the field %’% in the Header table. You want to use a string insteaed. To put an apostrophe in a string literal you use double apostrophes. String sql=”select lastname from employee where FirstName like ‘%”+firstName.

How do you use unique keywords?

DISTINCT or UNIQUE keyword in SQL is used with SELECT statement/query to select only unique records from a table, i.e. it eliminates all duplicate records from a table.