sql all in one for dummies

Learn about sql all in one for dummies, we have the largest and most updated sql all in one for dummies information on alibabacloud.com

(3.16) The use of all dates and times in SQL statements

Weekday function returns the following values:(The following are: Constant value description)Vbsunday 1 SundayVbmonday 2 weeks AVbtuesday 3 Week IIVbwednesday 4 week ThreeVbthursday 5 ThuVbfriday 6 FridayVbsaturday 7 SaturdayWeekdayName functionDescription: Returns a String that represents the day of the week specified.Syntax: WeekdayName (Weekday, abbreviate, FirstDayOfWeek)Weekday: Must be selected. A numeric definition for the day of the week. The numeric definitions for each day depend on t

ORALCE queries all the date SQL statements of the current month

This article introduces an SQL statement about ORALCE to query all the dates of the current month. If you need it, you can check it. 1. query the months of the next 6 months: The Code is as follows: Copy code SELECT to_char(add_months(SYSDATE, ROWNUM), 'yyyy-mm') FROM dualCONNECT BY ROWNUM 2. query all dates of the

SQL query case: convert a column to a row using UNION ALL.

SQL query case: convert a column to a row using UNION ALL. After the conversion of rows and columns, you may encounter the need to replace columns. Create table TestColRow (Name VARCHAR (10 ),East INT,South INT,West INT,North INT); Insert into TestColRowVALUES ('zhang san', 1, 2, 3, 4 ); Insert into TestColRowVALUES ('Lee 4', 5, 6, 7, 8 ); Processing with UNION

SQL Server searches for all stored procedures that contain a specific text.

That's all. The stored procedure calls mup_geta (I erased the project-related names) You can view objects dependent on mup_geta through the functions provided by sqlserver graphics manager. The result is a bit confusing. I didn't list mup_getb (I used SQL Server 2005) The solution is as follows:Method 1:Choose Database Management> right-click Database> tasks> Generate scripts> .....Export

Description of all fields in a specified data table read by SQL

-- SQL reads all fields in a specified data tableDeclare @ tablename nvarchar (250) -- Name of the data table in the current operationSet @ tablename = 'hzfa '-- specify the name of the data table to be queried (please change it to the name of the table in your own database)Declare @ columnname nvarchar (250) -- Name of the field currently queried in the cursorDeclare @ columndescription nvarchar (250) -- D

Description of all fields in a specified data table read by SQL

-- SQL reads all fields in a specified data tableDeclare @ TableName nvarchar (250) -- Name of the data table in the current operationSet @ TableName = 'hzfa '-- specify the name of the data table to be queried (please change it to the name of the table in your own database)Declare @ ColumnName nvarchar (250) -- Name of the field currently queried in the cursorDeclare @ ColumnDescription nvarchar (250) -- D

SQL Server backs up all database code

Label:Today let me back up all the databases on the Internet, jerked a look, hundreds of, the pit dad, had to find on the internet is not easy, did not think that there is really a note down, after use, haha ...Use master declare @DbName varchar DECLARE @BackSql varchar (+) declare mycursor cursor for SELECT [name] from sysdatabases where [name] "not" (' Master ', ' model ', ' msdb ', ' tempdb ') order BY [name] Open MyCursor fetch NEXT from MyCursor

SQL queries all table names, field names, types, lengths, stored procedures, views

Label:--Get the stored procedure creation statementSelect O.XTYPE,O.NAME,CM.TextFromsyscomments cmInnerJoin sysobjects oOn O.id=Cm.idwhere xtype=‘P‘Orderby O.XTYPE,O.NAME,CM.Text--Get View Path Creation statementSelect O.XTYPE,O.NAME,CM.TextFromsyscomments cmInnerJoin sysobjects oOn O.id=Cm.idwhere xtype=‘V‘Orderby O.XTYPE,O.NAME,CM.Text--Query all table names, field names, types, lengthsSelect O.name, C.name,t.name,c.lengthFromsyscolumns CInnerJoin S

To view the amount of space occupied by all tables in SQL Server

Label:2010-01-26 sp_spaceused can view the space occupied by a table, but cannot view all the tables at once. Today, we studied this SP and wrote the following query: --Refresh system dataDBCC UPDATEUSAGE (0) with NO_INFOMSGS --8k per pageSelect name = Name,id,rows = Convert (char (one), rows),reserved = LTrim (str (reservedpages * 8.,15,0) + ' KB '),data = LTrim (str (pages * 8.,15,0) + ' KB '),index_size = LTrim (str ((usedpages-pages) * 8.,15,0) +

Change the owner of all objects of SQL Server 2000

I only tested tables and stored procedures, and other objects were not actually tested, Back up the database before use , I am not responsible for any errorsPai_^ . 1 /* 2 Brief: Change the owner of all objects in the database 3 Author: Wu erping 4 Date: 2005/12/19 5 */ 6 7 Declare @ Owner Varchar ( 255 ) 8 Set @ Owner = ' DBO ' 9 10 Declare @ Obj

The word Gencun is the timestamp how to fetch all the records of the day how SQL is written

The word Gencun is the time stamp how to take all the records of the day SQL how to write

How to write an SQL statement that queries the corresponding values of all Id fields in one table in another table?

Loading editor... How to write an SQL statement that queries the corresponding values of all Id fields in one table in another table?Multi-table join query:Select RBD. rbdid, RBD. productcode, P. productcnname, P. [standard], p. impression, PB. BrandName, cgdw. unitname, UN. unitname, RBD. buyingamount, RBD. unitpriceFrom pcs_requestbuydetails as RBDLeft join pm_products as P on RBD. productcode = P. produ

One SQL statement to query the first 10 records of all categories

One SQL statement to query the first 10 records of all categories For example, a class renewal table Create course Table Sid sname1 Language2. Mathematics3 English....... Table B Id Sid Fen name1 1 100 Zhang San2 1 89 Li Si3 1 95 Wang Wu4 2 89 Zhang San5 3 78 Wang Wu6 2 99 Wang Wu..... Currently used The top 10 accounts can be displayed. Code highlighting produced by Actipro CodeHigh

Import all the Excel files in the folder to the SQL database. Each file is a separate table named by the file name.

-- Import all the Excel files in the folder to the SQL database. Each file is a separate table named by the file name. -- By madgoat 2006-11-23 Create Table # T (fname Varchar ( 260 ), Depth Int , ISF Bit ) Insert Into # T Exec Master .. xp_dirtree ' C: \ test \ ' , 1 , 1 Declare TB Cursor For Select FN = ' C: \ te

SQL returns the name of all fields in a specified data table.

-- In view of the fact that the field name is often required to obtain the list data of a data table. The following code is compiled. -- Applicable scenarios: design or update select statements or insert statements for SQL stored procedures -- The returned string format is similar to: "ID, begintime, endtime, addip, updateuser, updatetime, updateip" -- Select name from syscolumns where id = object_id ('data table name ')-- Define a data table nameDec

SQL obtains all field types and precision scripts of a specified data table.

-- SQL: obtain all the field types and precision scripts of the specified data table, and directly execute the following script.Select a. Name,Case A. PrecisionWhen 0 then Case A. is_ansi_paddedWhen 1 thenConvert (nvarchar (15), B. Name + '(' + convert (nvarchar (10), a. max_length) + ')')When 0 thenB. NameEndElse Case A. ScaleWhen 0 thenB. NameElseB. Name + '(' + convert (nvarchar (10), a. Precision) + '

Number of all data records in the SQL statistical table

Recently the company's database found that the data for the table was dropped, some data tables were recorded as 0, so I wanted to find out which data tables in the database were 0 to narrow the analysis, and use the following SQL statement: code is as follows copy code CREATE TABLE #tmptb (tbnamesysname,tbrowsint , Tbreservedvarchar),tbdata varchar (a) , Tbindexsizevarchar (a), Tbunusedvarchar (a)) Insertinto

SQL Server traverses all tables in the database and the total number of statistical tables

SQL Server traverses all tables in the database and the total number of statistical tables: Code Code highlighting produced by Actipro CodeHighlighter (freeware)http://www.CodeHighlighter.com/-->1 declare @ tablename varchar (255 ); 2 create table # getrecordingtemptable ([ID] [int] Identity (1,1) not null, [tablename] varchar (255) not null, [recordingcount] INT ); 3 declare table_cursor cursor for select

SQL Server gets all tables and table fields

, ") ELSE ' END, ParentID = 0, Colorder = 0 from syscolumns A Left JOIN systypes B on a.xusertype = B.xusertype INNER JOIN SYSOBJECTS D on a.id = d.id

SQL Server queries database all fields-table name

Tags: SELECT * from Information_schema.columns WHERE table_name= ' account ' SELECT [case] A.colorder=1 then d.name Else ' ' End ' as table name,--if the table name is the same, return the empty a.colorder as field ordinal, a.name as field name, (case when ColumnProperty (A.id,a.name, ' Isidentity ') =1 then ' √ ' else ' end as identifier (case when (SELECT count (*) from sysobjects--query primary key Where (the name in (the SELECT name from sysindexes WHERE (id = a).

Total Pages: 15 1 .... 10 11 12 13 14 15 Go to: Go

Contact Us

The content source of this page is from Internet, which doesn't represent Alibaba Cloud's opinion; products and services mentioned on that page don't have any relationship with Alibaba Cloud. If the content of the page makes you feel confusing, please write us an email, we will handle the problem within 5 days after receiving your email.

If you find any instances of plagiarism from the community, please send an email to: info-contact@alibabacloud.com and provide relevant evidence. A staff member will contact you within 5 working days.

A Free Trial That Lets You Build Big!

Start building with 50+ products and up to 12 months usage for Elastic Compute Service

  • Sales Support

    1 on 1 presale consultation

  • After-Sales Support

    24/7 Technical Support 6 Free Tickets per Quarter Faster Response

  • Alibaba Cloud offers highly flexible support services tailored to meet your exact needs.