Both of these syntaxes are valid when creating a primary key with only one field. If you create a primary key that is made up of 2 or more columns, you are limited to using only the first syntax where the primary key is defined at the end of the CREATE TABLE statement. ...
This SQL tutorial explains how to use the SQL INSERT statement with syntax, examples, and practice exercises. There are 2 syntaxes. The SQL INSERT statement is used to insert a one or more records into a table.
SQL Data Types: In this tutorial, we are going to learn about the various data types with its syntaxes and examples in SQL (Structured Query Language). Submitted byAbhishek Goel, on March 22, 2020 SQL | Data Types Just like other programming languages, facilities of defining data of various...
4 Data Warehouse Service SQL Syntax Reference Type 2 Differences Between GaussDB(DWS) and PostgreSQL Syntaxes Not Supported by GaussDB(DWS) CREATE TABLE table constraints: EXCLUDE [ USING index_method ] ( exclude_element WITH operator [, ... ] ) CREATE/ALTER/DROP EXTENSION CREATE/ALTER/DROP ...
SQL | Constraints: In this tutorial, we are going to learn about the various constraints in SQL with its usages, syntaxes and query examples. Submitted by Abhishek Goel, on April 10, 2020 SQL | ConstraintsConstraints are the guidelines implemented on the information sections of a table. These...
Read More >> Watch here the full video for more information about MS SQL Functions, Syntaxes, Tips & Tricks. Summary In this article, we learned about T-SQL Query Performance Tuning Tips with examples.
Watch here a full video for more information about MS SQL Functions, Syntaxes, Tips & Tricks.SummaryIn this article, I explained functions in SQL Server. I hope you understand about functions and how they work in SQL Server databases.
For user-defined functions, these syntaxes look as follows: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 CREATE FUNCTION [database_name.]function_name (parameters) RETURNS data_type AS BEGIN SQL statements RETURN value END; ALTER FUNCTION [database_name.]function_name (parameters) RETURNS...
Connect using one of the following general syntaxes: Console sqlcmd -S np:\\<computer name>\<pipe name> Connect to the default instance: Console sqlcmd -S np:\\ComputerA\pipe\sql\query sqlcmd -S np:\\127.0.0.1\pipe\sql\query
The INSTR function in SQL is used to find the starting location of a pattern in a string. This function is available in MySQL and Oracle, though they have slightly different syntaxes: SyntaxThe syntax for the INSTR function is as follows: ...