给定一个数字,我如何发现在什么表和列中可以找到它?

我不在乎速度快不快,只要管用就行。


当前回答

假设您想要获取数据库中所有具有名称的表,列名包含logintime,下面的MyDatabase是代码示例

    use MyDatabase

    SELECT t.name AS table_name,
    SCHEMA_NAME(schema_id) AS schema_name,
    c.name AS column_name
    FROM sys.tables AS t
    INNER JOIN sys.columns c ON t.OBJECT_ID = c.OBJECT_ID
    WHERE c.name LIKE '%logintime%'
    ORDER BY schema_name, table_name;

其他回答

您可能需要为数据库构建一个倒立索引。它肯定是相当快的。

我正在寻找一个数值= 6.84 -使用这里的其他答案,我能够将我的搜索限制在这个范围内

Declare @sourceTable Table(id INT NOT NULL IDENTITY PRIMARY KEY, table_name varchar(1000), column_name varchar(1000))
Declare @resultsTable Table(id INT NOT NULL IDENTITY PRIMARY KEY, table_name varchar(1000))

Insert into @sourceTable(table_name, column_name)
select schema_name(t.schema_id) + '.' + t.name as[table], c.name as column_name
from sys.columns c
join sys.tables t
on t.object_id = c.object_id
where type_name(user_type_id) in ('decimal', 'numeric', 'smallmoney', 'money', 'float', 'real')
order by[table], c.column_id;

DECLARE db_cursor CURSOR FOR
Select table_name, column_name from @sourceTable
DECLARE @mytablename VARCHAR(1000);
DECLARE @mycolumnname VARCHAR(1000);

OPEN db_cursor;
FETCH NEXT FROM db_cursor INTO @mytablename, @mycolumnname

WHILE @ @FETCH_STATUS = 0
BEGIN
    Insert into @ResultsTable(table_name)
    EXEC('SELECT ''' + @mytablename + '.' + @mycolumnname + '''  FROM ' + @mytablename + ' (NOLOCK) ' +
    ' WHERE ' + @mycolumnname + '=6.84')
    FETCH NEXT FROM db_cursor INTO @mytablename, @mycolumnname  
END;
CLOSE db_cursor;
DEALLOCATE db_cursor;
Select Distinct(table_name) from @ResultsTable
-- exec pSearchAllTables 'M54*'

ALTER PROC pSearchAllTables (@SearchStr NVARCHAR(100))
AS
BEGIN
    -- A procedure to search all tables in a database for a value
    -- Note: Use * or % for wildcard

    DECLARE 
        @Results TABLE([Schema.Table.ColumnName] NVARCHAR(370), ColumnValue NVARCHAR(3630))

    SET NOCOUNT ON

    DECLARE 
        @TableName NVARCHAR(256) = ''
        , @ColumnName NVARCHAR(128)     
        , @SearchStr2 NVARCHAR(110) = QUOTENAME(REPLACE(@SearchStr, '*', '%'), '''')

    WHILE @TableName IS NOT NULL
        BEGIN
            SET @ColumnName = ''
            SET @TableName = 
            (
                SELECT MIN(QUOTENAME(TABLE_SCHEMA) + '.' + QUOTENAME(TABLE_NAME))
                FROM INFORMATION_SCHEMA.TABLES
                WHERE TABLE_TYPE = 'BASE TABLE'
                AND QUOTENAME(TABLE_SCHEMA) + '.' + QUOTENAME(TABLE_NAME) > @TableName
                AND OBJECTPROPERTY(OBJECT_ID(QUOTENAME(TABLE_SCHEMA) + '.' + QUOTENAME(TABLE_NAME)), 'IsMSShipped') = 0
            )

            WHILE (@TableName IS NOT NULL) AND (@ColumnName IS NOT NULL)
                BEGIN
                    SET @ColumnName =
                    (
                        SELECT MIN(QUOTENAME(COLUMN_NAME))
                        FROM INFORMATION_SCHEMA.COLUMNS
                        WHERE TABLE_SCHEMA    = PARSENAME(@TableName, 2)
                        AND TABLE_NAME  = PARSENAME(@TableName, 1)
                        AND DATA_TYPE IN ('char', 'varchar', 'nchar', 'nvarchar')
                        AND QUOTENAME(COLUMN_NAME) > @ColumnName
                    )

                    IF @ColumnName IS NOT NULL
                        BEGIN
                            INSERT INTO @Results 
                            EXEC ('SELECT ''' + @TableName + '.' + @ColumnName + ''', LEFT(' + @ColumnName + ', 3630) FROM ' + @TableName + ' (NOLOCK) WHERE ' + @ColumnName + ' LIKE ' + @SearchStr2)

                        END

                END 

        END

    SELECT 
        [Schema.Table.ColumnName]
        , ColumnValue 
    FROM @Results
    GROUP BY 
        [Schema.Table.ColumnName]
        , ColumnValue 

END

如果你安装了phpMyAdmin,使用它的搜索功能。

选择您的数据库。

请确保您选择的是DataBase,而不是表,否则您将得到一个完全不同的搜索对话框。

单击“搜索”页签 列表项选择所需的搜索词 选择要搜索的表

根据bnkdev的回答,我修改了Narayana的代码,以搜索所有列,甚至是数字列。

它会运行得慢一些,但这个版本实际上会找到所有匹配项,而不仅仅是文本列中的匹配项。

我对他感激不尽。省了我好几天徒手找!

CREATE PROC SearchAllTables 
(
@SearchStr nvarchar(100)
)
AS
BEGIN

-- Copyright © 2002 Narayana Vyas Kondreddi. All rights reserved.
-- Purpose: To search all columns of all tables for a given search string
-- Written by: Narayana Vyas Kondreddi
-- Site: http://vyaskn.tripod.com
-- Tested on: SQL Server 7.0 and SQL Server 2000
-- Date modified: 28th July 2002 22:50 GMT


CREATE TABLE #Results (ColumnName nvarchar(370), ColumnValue nvarchar(3630))

SET NOCOUNT ON

DECLARE @TableName nvarchar(256), @ColumnName nvarchar(128), @SearchStr2 nvarchar(110)
SET  @TableName = ''
SET @SearchStr2 = QUOTENAME('%' + @SearchStr + '%','''')

WHILE @TableName IS NOT NULL
BEGIN
    SET @ColumnName = ''
    SET @TableName = 
    (
        SELECT MIN(QUOTENAME(TABLE_SCHEMA) + '.' + QUOTENAME(TABLE_NAME))
        FROM    INFORMATION_SCHEMA.TABLES
        WHERE       TABLE_TYPE = 'BASE TABLE'
            AND QUOTENAME(TABLE_SCHEMA) + '.' + QUOTENAME(TABLE_NAME) > @TableName
            AND OBJECTPROPERTY(
                    OBJECT_ID(
                        QUOTENAME(TABLE_SCHEMA) + '.' + QUOTENAME(TABLE_NAME)
                         ), 'IsMSShipped'
                           ) = 0
    )

    WHILE (@TableName IS NOT NULL) AND (@ColumnName IS NOT NULL)
    BEGIN
        SET @ColumnName =
        (
            SELECT MIN(QUOTENAME(COLUMN_NAME))
            FROM    INFORMATION_SCHEMA.COLUMNS
            WHERE       TABLE_SCHEMA    = PARSENAME(@TableName, 2)
                AND TABLE_NAME  = PARSENAME(@TableName, 1)                  
                AND QUOTENAME(COLUMN_NAME) > @ColumnName
        )

        IF @ColumnName IS NOT NULL
        BEGIN
            INSERT INTO #Results
            EXEC
            (
                'SELECT ''' + @TableName + '.' + @ColumnName + ''', LEFT(CONVERT(varchar(max), ' + @ColumnName + '), 3630) 
                FROM ' + @TableName + ' (NOLOCK) ' +
                ' WHERE CONVERT(varchar(max), ' + @ColumnName + ') LIKE ' + @SearchStr2
            )
        END
    END 
END

SELECT ColumnName, ColumnValue FROM #Results
END