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Comments in SQL Server Transact-SQL Statements
How to enter comments in SQL Server Transact-SQL statements? There are 2 ways to enter comments within Transact-SQL statements: Starting comments with two dashes "--": Everything between "--" and the end of the line is treated as a comment. Entering comments between "/*" and "*/": Everything between... 2017-05-29, 2868🔥, 0💬

Compilation Error in a Statement Batch in SQL Server
What happens to a Transact-SQL statement batch if there is a compilation error? If a Transact-SQL statement batch has multiple statements, and one of them has compilation error, none of the statements in the batch will be executed. The tutorial exercise below gives you some good examples: SELECT get... 2017-05-29, 2796🔥, 0💬

SQL Server Transact-SQL Language References
Where to find SQL Server Transact-SQL language references? You can find SQL Server Transact-SQL language references on Microsoft Website: Transact-SQL Reference for SQL Server 2016 Transact-SQL Reference for SQL Server 2014 Transact-SQL Reference for SQL Server 2012 Transact-SQL Reference for SQL Se... 2017-05-20, 4580🔥, 0💬

Constant or Data Literal in SQL Server Transact-SQL
What Is a Constant or Literal in SQL Server Transact-SQL? A constant, or data literal, is a symbolic expression that represents a specific value of a specific data type in SQL Server Transact-SQL. Constants or literals are used commonly as the default values for table columns, variables, and paramet... 2017-05-20, 3707🔥, 0💬

Types of Data Literals in SQL Server Transact-SQL
What are different types of data literals supported in SQL Server Transact-SQL? There are 8 types of data literals supported in SQL Server Transact-SQL: 1. Integer Number Literals - Sequences of numbers prefixed with +/- sign if needed. Integer number literals are used to represent integer values. F... 2017-05-20, 3521🔥, 0💬

Data Literals in SQL Server Transact-SQL
Where to find answers to frequently asked questions on data literals in Microsoft SQL Server Transact-SQL? I am new to Transact-SQL and SQL Server. Here is a list of frequently asked questions and their answers compiled by FYIcenter.com team on data literals in Microsoft SQL Server Transact-SQL: Con... 2017-05-20, 3181🔥, 0💬

Single-byte String Literals in SQL Server Transact-SQL
What are single-byte string literals supported in SQL Server Transact-SQL? Single-byte string literals in Transact-SQL are sequences of characters enclosed in single quotes. String literals are used to provide values to string variables or table columns like CHAR(40), VARCHAR(40), etc. String litera... 2017-05-20, 2810🔥, 0💬

CHAR(n) - Truncating/Padding Strings in SQL Server Transact-SQL
How Fixed Length Strings Are Truncated and Padded in SQL Server Transact-SQL? When the length of the input string does not match the storage size of the fixed length string data type CHAR(n). SQL Server will: If the input string of CHAR(n) has less than n bytes, it will be padded with space characte... 2017-05-13, 7529🔥, 0💬

Casting Strings to Wrong Code Pages in SQL Server Transact-SQL
What Happens If Strings Are Casted into Wrong Code Pages in SQL Server Transact-SQL? In SQL Server, different collations may use different code pages. For example: Albanian_CI_AI_KS_WS - Albanian, Code page 1250. Arabic_CI_AS_KS_WS - Arabic, Code page 1256. French_CI_AI - French, Code page 1252. Kor... 2017-05-13, 3641🔥, 0💬

Collation - Character Code Page in SQL Server Transact-SQL
What Is a Collation in SQL Server Transact-SQL? A collation in Transact-SQL is a set of specifications defining a character set and its sorting rules. SQL Server support a large number of built-in collations. For example: Albanian_CI_AI_KS_WS - Albanian, case-insensitive (CI), accent-insensitive (AI... 2017-05-13, 3268🔥, 0💬

Default Collation in SQL Server Transact-SQL
How To Find Out What Is the Default Collation in SQL Server Transact-SQL? The default collation of a database comes from the server if you are not using the COLLATE clause in the CREATE DATABASE statement. If you are not using the COLLATE clause for character string column, it will use the default c... 2017-05-13, 3122🔥, 0💬

COLLATE Clause in SQL Server Transact-SQL
How To Specify the Collation for a Character Data Type in SQL Server Transact-SQL? If you do not want to use the default collation provided by the SQL Server, you can use the "COLLATE collation_name" clause to specify a different collation to be used at different levels: Database Level - Used in CRE... 2017-05-13, 3018🔥, 0💬

Binary Literals in SQL Server Transact-SQL
What are binary literals supported in SQL Server Transact-SQL? Binary literals in Transact-SQL are sequences of bytes written in hexadecimal digits with 0x prefixes. Binary literals are used to provide values to binary variables or table columns like BINARY, VARBINARY, IMAGE, etc. Here are some simp... 2017-05-05, 14795🔥, 0💬

Exact Numeric Literals in SQL Server Transact-SQL
What are exact numeric literals supported in SQL Server Transact-SQL? Exact numeric literals in Transact-SQL are numbers written in standard signed decimal formats. Exact numeric literals are used to provide values to exact numeric variables or table columns like INTEGER, DECIMAL(8,2), MONEY, etc. E... 2017-05-05, 4076🔥, 0💬

Unicode String Literals in SQL Server Transact-SQL
What are Unicode string literals supported in SQL Server Transact-SQL? Unicode string literals in Transact-SQL are sequences of characters enclosed in single quotes and prefixed with (N) as N'...'. String literals are used to provide values to string variables or table columns like NCHAR(40), NVARCH... 2017-05-05, 3172🔥, 0💬

Approximate Numeric Literals in SQL Server Transact-SQL
What are approximate numeric literals supported in SQL Server Transact-SQL? Approximate numeric literals in Transact-SQL are numbers written in scientific notation formats. Approximate numeric literals are used to provide values to approximate numeric variables or table columns like LOAT(24), DOUBLE... 2017-05-05, 2802🔥, 0💬

Variables and Data Types in SQL Server Transact-SQL
Where to find answers to frequently asked questions on variables and data types in Microsoft SQL Server Transact-SQL? I am new to Transact-SQL and SQL Server. Here is a list of frequently asked questions and their answers compiled by FYIcenter.com team on variables and data types in Microsoft SQL Se... 2017-04-22, 3039🔥, 0💬

Entering Binary String Literals in SQL Server Transact-SQL
How To Enter Binary String Literals in SQL Server Transact-SQL? Binary string long values are normally generated by client applications by reading input channels, like image files. But sometimes, you may need to enter some short binary strings as literals. Binary string literals are entered as a str... 2017-04-22, 2969🔥, 0💬

Exact Numeric Data Types in SQL Server Transact-SQL
What are exact numeric data types supported in SQL Server Transact-SQL? Exact numeric data types are used to hold numeric values truncated to a specific precision and scale. There are 8 different exact numeric data types supported in SQL Server Transact-SQL: 1. BIGINT - Used to hold big integers wit... 2017-04-22, 2817🔥, 0💬

List of Data Types in SQL Server Transact-SQL
How many data types supported in SQL Server Transact-SQL? I want a list of all data types. Here is a list of all Transact-SQL data types divided into 6 categories: 1. Exact Number - Used to hold numeric values truncated to a specific precision and scale. BIGINT - Used to hold big integers. INT (or I... 2017-04-22, 2794🔥, 0💬

What Is Variable in SQL Server Transact-SQL
What is a variable in SQL Server Transact-SQL? A variable in Transact-SQL is a symbolic name representing a memory storage that holds a piece of data. A variable has the following the components: 1. Variable name - A symbolic name to represent the variable. Variable names in Transact-SQL must starts... 2017-04-22, 2664🔥, 0💬

Precision and Rounding of FLOAT Values in SQL Server Transact-SQL
How REAL and FLOAT Literal Values Are Rounded in SQL Server Transact-SQL? By definition, FLOAT(n) should store the mantissa of the floating number in n bits. For example, FLOAT(16) should have a precision one-byte less than FLOAT(24). However, SQL Server Transact-SQL only supports two precisions for... 2017-04-19, 14011🔥, 0💬

Underflow and Overflow of FLOAT Values in SQL Server Transact-SQL
What Are the Underflow and Overflow Behaviors on FLOAT Literals in SQL Server Transact-SQL? If you enter a floating number that is too big or too small for the FLOAT data type, Transact-SQL will behave as: FLOAT(24) Underflow: If a floating number is too small for FLOAT(24), it will be stored as 0 w... 2017-04-19, 9405🔥, 0💬

Overflow Errors with INT Values in SQL Server Transact-SQL
What Happens If an Integer Is Too Big for INT (INTEGER) Date Type in SQL Server Transact-SQL? If you are entering an INT data type literal with representing an integer value too big for INT data type to store, the SQL Server will give you an arithmetic overflow error. The same error will happen on B... 2017-04-19, 4206🔥, 0💬

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General MySQL Oracle SQL Server