--1.定义需要查找的关键字。在搜索中,使用模糊搜索:LIKE "%@key_find%" DECLARE @key_find NVARCHAR(MAX) = "0761VD0062296731%";--假设是找字符串"123"
--1.定义需要查找的关键字。在搜索中,使用模糊搜索:LIKE "%@key_find%"
DECLARE @key_find NVARCHAR(MAX) = "0761VD0062296731%";--假设是找字符串"123"
--2.用游标Cursor_Table,遍历所有表
DECLARE Cursor_Table CURSOR FOR
SELECT name from sysobjects WHERE xtype = "u" AND name <> "dtproperties";
OPEN Cursor_Table;
DECLARE @tableName NVARCHAR(MAX);
FETCH NEXT from Cursor_Table INTO @tableName;
WHILE @@fetch_status = 0
BEGIN
DECLARE @tempsqlText NVARCHAR(MAX) = "";
--3.在表中,用游标columnCursor,遍历所有字段。注意,只遍历字符串类型的字段(列)
DECLARE columnCursor CURSOR FOR
SELECT Name FROM SysColumns WHERE ID = Object_Id( @tableName ) and
(
xtype = 35 or --text
xtype = 99 or --ntext
xtype = 167 or --varchar
xtype = 175 or --char
xtype = 231 or --nvarchar
xtype = 239 or --nchar
xtype = 241 --xml
)
OPEN columnCursor;
DECLARE @columnName NVARCHAR(MAX);
FETCH NEXT from columnCursor INTO @columnName;
WHILE @@fetch_status = 0
BEGIN
--4.在表的字段中,对每一行进行模糊搜索,并输出找到的信息。
DECLARE @DynamicSQLText NVARCHAR(MAX) = "IF ( EXISTS ( SELECT * FROM [" + @tableName + "] WHERE [" + @columnName + "] LIKE ""%" + @key_find + "%"" ) ) BEGIN DECLARE @CurrentTableCount Bigint = ( SELECT COUNT(*) From [" + @tableName + "] ); PRINT ""Find : Table [" + @tableName + "], Column [" + @columnName + "], Row Count:"" + CAST( @CurrentTableCount AS NVARCHAR(MAX) ) + "".""; END";
EXEC( @DynamicSQLText );
FETCH NEXT from columnCursor INTO @columnName
END
exec(@tempSQLText);
CLOSE columnCursor;
DEALLOCATE columnCursor;
FETCH NEXT from Cursor_Table INTO @tableName;
END
CLOSE Cursor_Table;
DEALLOCATE Cursor_Table;
select a.s_SmCode as "电池条码",
a.s_D as "电池档位",
a.s_VolC as OCV3,
a.s_ResiC as OCR3,
a.s_TimeC as OCT4,
a.s_VolD as OCV4,
a.s_ResiD as OCR4,
a.s_TimeD as OCT4,
a.s_K34
from tb_bt_15_0633VD0061 a
--结束END--
本文标题: 查找库里面的指定字符串
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